Column and Footing Design. The most popular usage of construction joint is on suspended slabs. Waterproof Slabs Post-tensioned slabs can be designed to be crack free and therefore waterproof slabs are possible. Note: For Better View, Please read this post in landscape mode if you are on the mobile device. 1382 Section Suspended Basement Slab design -1 Sheet no. They can be insulated, both underneath and on the edges. Modulecon's Sure Slab System is a fully suspended concrete slab off ground solution designed for reactive soil conditions. The bulk of the work for a new DIY concrete slab is in the excavation and form building. PAM + HP DPM (no outer skin). Actuation of the lifting assembly allows the slab to be raised and/or lowered, thereby forming a suspended slab over a void of a desired size. Lowering the tube so that its centre is two inches below the slab surface (e. It require. Combined with planters of varying heights, the impact is equally bold and serene. They are commonly used to create floors for the upper storeys of houses, but can also be sat on top of pre-constructed walls to form a ground floor. A check out from the edge beam will create a ledge for the brick to rest on lower than the top of the slab. Exact Spacing (Width) 16" Middle space 10" Total Bar Length 416. We offer an end-to-end client experience that includes seamless communication, design, budgeting, on-site organisation, and solid, quality work every time. For suspended floors it covers both upper floors and those at ground level where a slab-on-ground may not. A suspended slab is designed to suit the conditions - it's not as simple as saying it's 60m2 125mm N30 slab with a 500mm deep ring beam and 5% reo. The original name in steel formwork, BONDEK® is an efficient, versatile and robust structural decking and ceiling system for concrete slabs. It is used to support the slab above the soil so that the slab and soils do not come in contacts. In design of non-suspended slab, you've to consider environmental factors, an. This project included two large excavations to form two platforms not more than 1m in height difference, foundations, floors, brick work design, concrete beams, roof design, swimming pool and block retaining systems. Download Limit Exceeded You have exceeded your daily download allowance. Figure B-10: Alternative Floor Slab Detail. I have to design a retrofit suspended floor slab on the second floor of a 5-story warehouse. #N#With the invention of the Q-Panel, the Warm Floors Suspended Convection. 4 Planning 23 4. Concrete flooring is a common type of flooring adopted by many building owners. Steel- reinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs. 0 kip per wheel on a 40" wheel center (8. Here's a quick drawing I made showing the concrete block ledges. For structural engineers and architects, Basheer Bava, BSBG Lead Structural Engineer, provides an indispensable guide on the two-way concrete flooring system. Round Measurements To. The most popular usage of construction joint is on suspended slabs. 2 The New Zealand settler. The article presents detailed results of the experiment made and advanced numerical modelling based on nonlinear analysis and application of fracture-plastic model. com, mainly located in Asia. Louis, MO 63144. For slab-on-ground floors it provides an understanding of the footing/slab selection, design, detailing and construction requirements contained in AS 2870 and. The increasing demand for housing and insufficient land to accommodate the demand required, determine the need for a suspended slab system. The slab is constructed in forms elsewhere; once completed and cured it is put in place by cranes or jacks, then suspension components are attached. 1(a)], in which the structural action is essentially one-way, the loads being carried in direction perpendicular to the supporting beams or walls. Suspended concrete floors are nothing new, many commercial buildings are built that way but they're built with rebar and stressed to load. The design load (w design) = 17. The completely pre-assembled, ready-for-use standard table for small numbers of applications. Slab Formwork essentially consists of a horizontal load-bearing structure which supports the formlining and transfers the forces into the shoring. Take a torch and climb under the…. 500 kg/m2 is typical for office, storage space and similar. Foundation – What Works Best for a Garage? Most of the time, the best foundation for a garage is a poured concrete slab with footings and walls. The highest output for the simulations I ran occurs when the tube is centered about ¾ in. The PSC method to calculate the longitudinal shear resistance (τ u,Rd) of the composite slab has been detailed in Annex E of the Eurocode 4. Suspended Slab on Grade: The system is useful where native soils have been excavated and re-compacted but swell potentials up to 1. Sponsored Links. They are commonly used to create floors for the upper storeys of houses, but can also be sat on top of pre-constructed walls to form a ground floor. DESIGN OF ONE-WAY SLABS The structural action of a one-way slab may be visualized in terms of the deformed shape of the loaded surface. A suspended concrete floor is a floor slab where its perimeter is, or at least two of its opposite edges are, supported on walls, beams or columns that carry its self weight and imposed loading. Sufficient concrete thickness must be provided to limit the temperature rise on the top of the slab. For now, the concrete has been coated with a grout and densifier to protect against staining and to achieve a superior finish when ground and polished. 5 mm) concrete floor over 3/8" (9. My current roadblock is that my project has a suspended slab as the floor of the first floor. Since the LASRE slab has a contact area with the sub-grade of only 4. It consists of solid concrete built into the ground. Consider adding hardeners and dustproofers to protect the concrete. Stair and Suspended Slab Reinforcement Pre-Pour Inspection Engineering Design Consultancy Perth – Civil and Structural Services Western Australia. It is used to support the slab above the soil so that the slab and soils do not come in contacts. MidWest Plan Service (Koenig & Runestad, 1998, 2005) has used a minimum slab thickness of 4. For structural engineers and architects, Basheer Bava, BSBG Lead Structural Engineer, provides an indispensable guide on the two-way concrete flooring system. The PSC method to calculate the longitudinal shear resistance (τ u,Rd) of the composite slab has been detailed in Annex E of the Eurocode 4. beams and 6 cm slabs which makes 80% of the roof surface area as an effective absorbing panel. The ACS S-S D S system is a hybrid of the industry standard method of venting sub-slab gases to atmosphere, as recommended in CIRIA 149 gases should be extracted and vented to atmosphere. Ultrafloor manufacture a wide range of precast concrete beams and lintels and provides an extensive variety of flooring systems to satisfy the requirements of all residential and commercial projects. Metcon Concrete Floors specialises in the design and construction of high quality composite concrete floors on all types of steel floor decking systems. These under all of the steel support legs and props. Using metal deck as forms for cement slabs over garages is a great alternative to building forms with wood and/or scaffolds. Cracking problems have been experienced in the past, NHBC report, with unsupprted slabs laid directly onto poor ground (even when laid on vibro-compacted hardcore. drawing title sd/001b drawing list of seb typical details sd/002 general notes sd/003 cranking of bars, standard hooks and bends sd/004 steel reinforcement anchorage and lap length requirement sd/005 typical detail of spacer bars and stirrups at beams. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. Design Experience Related Question What are the design concerns for non-suspended ground slab and rectification method? Is the suspended ground to follow same design criteria? What the work procedure to strive for minimum cracking problem?. Suspended concrete slabs are generally constructed in two ways: * Precast. Including steel structures, masonry buildings, poured in-situ or pre-cast concrete panels, as well as ICF, timber and cold formed steel frame construction. With the Flat Slab by Bass Beams one meets the various requirements, for example: Flat Soffit, accommodation in the minimum space, fast and efficient erecting; therefore time saving as well. Re: Suspended Concrete Floors? When I put a raised concrete floor in my previous 18x24 shop, I built the floor from I-joist and decked w/ 3/4" plywood. It is also possible to construct suspended concrete floors by using a precast product, for example the popular beam and block system. It depends on purposes and location, but there several construction and design methods for non-suspended slab. They can be insulated, both underneath and on the edges. F y = 50 k s i. "Slab Thickness Design for Industrial Concrete Floors on Grade" (IS195. • Flexibility of future use with due consideration to long -term deflections ; • Provision of known penetrations for current usage, and for future penetrations up to. For the sake of keeping this article organized, we'll discuss the three types of foundations you're most likely to encounter in this market, starting with the least expensive, slabs. Consequently, ACI 360 was formed with this mission: Develop and report on criteria for design of slabs on grade, except highway and airport pavements 1. Photo credit: Eric Staudenmaier Source. Sponsored Links. Picking order for placing opening with framing (slab span in global X direction): 1. of Miami, Florida) If there's competition for the worst home problem, a slab leak ranks high, alongside complex problems like crawl space remediation and mold problems. The design criteria are the breaking strength and the thickness itself. Where seats are provided, the extra weight has to be allowed for when designing the slab. How To Calculate Loads On Columns: Before calculating the loads on column we need. Trust and honesty comes first call us for a free quote on Driveways , house slabs , suspended slabs , footings, footpath , council crossover , tilt up panels, excavation, concrete cutting, high pressure wash. The components of the bridge are picked to fit not only its use case scenario (pedestrian, highway, railway, transit or industrial bridges) but also location on which it is built, the span between its main structural beams and their basic structure (arch, beam, cantilever, cable-stayed, suspension or other). slab” or simply “r. be suspended. design turf. Ribbed floors consisting of equally spaced ribs are usually supported directly by columns. 5 kN/m2 (153 kg/m2) in domestic buildings to approximately 1 0 kN/m2 (1053 kg/m2) in heavy industrial areas. This includes lift-slab. This results in a cost savings in concrete of 25-50%. Contents:1 Basics of Reinforced Concrete Slab Design2 1. 4 Joints 11 CHAPTER 6 Insitu Concrete Floor Systems 6. You'll need expert advice to pinpoint the location of a slab leak. Concrete slab floors come in many forms and can be used to provide great thermal comfort and lifestyle advantages. This concrete slab is meant to cover the dirt of a basement, or basically clean up the surface of a floor, in an area that will not obtain much use. 2R-06: Guide for Concrete Slabs that Receive Moisture-Sensitive Flooring Materials 352. Metal Ceiling Tiles. Additional reinforced internal ribs are used in the slab by Additional reinforced internal ribs are used in the slab by introducing PONTEX ® , the structural CUPOLEX ® accessory to provide a structure capable of spanning between stem walls or piles. Structural Engineering. Ensure to check the level difference between beam bottom and slab. Sponsored Links. They have a number of outstanding advantages. Acts as a permanent formwork. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. seismic loads - seismic design category = b - occupancy category = iii - earthquake importance factor, ie = 1. The lateral loads are independently resisted by shear walls. Never satisfied, always dreaming, delivering exceptional performance gear. It is a concrete product with 5,500 psi. Suspended slabs are above-ground level slabs which are not directly in contact with the earth. Design of Slabs-on-Ground (2010). Julie DeLeon of Groundwork Design created an interesting play on the traditional flowerbed using Ore's FŭSE Planter Trays that integrate into the suspended deck system. The system has been developed combining modern techniques and rollforming technology for a fast, lightweight, concrete/steel composite floor at a cost effective price. The floor slab and footing beam has edge insulation which is then covered suspended structural garage floors figure 3 concrete masonry foundation wall and floor garage foundation home foundations monolithic concrete slab suspended floor suspended slabs diagram of a three y building with bat the has ground garage foundation home foundations monolithic concrete slab suspended floor. Phone: 519-267-6789. The slab is constructed in forms elsewhere; once completed and cured it is put in place by cranes or jacks, then suspension components are attached. Press "update" button. The gap between a suspended ceiling and the structural floor slab above is often between 3 to 8 inches which is why they. , conceived as a comprehensive development on adjoining sites in the. Our Condeck HP® Composite Slab System is one of the best in business when it comes to designing and installing permanent metal formwork and tensile reinforcement for suspended concrete slabs for commercial and residential projects. In this paper, a static hanging load test of a two-span, two-way composite slab with precast concrete ribbed panels (CSPRP) was conducted. 2 The New Zealand settler. There's no single method for design of non-suspended slab. a durable yet lightweight material made from polyester resin binder reinforced by mineral aggregates and fillers. For those who don't understand what this Rib and Block means. In addition to general ultimate and serviceability limit state design issues, practical design considerations such as the formation of holes in the slab, support details, fire protection, and attachments to the slab are discussed. A product that you can reinforce concrete with is known as rebar. Another name for this slab is a rat slab based on its obvious reference, normally. When shopping for a home in the Dallas Fort Worth area, there are seemingly endless decisions to be made. SAFE is the ultimate tool for designing concrete floor and foundation systems. Normally, formwork is designed to support load from fresh concrete (including static pressure), their self weight, live load […]. While making structural drawings of the reinforced concrete slab, the slabs are abbreviated to “r. 1 General 12 6. Call us now at 0499114422. Concrete Slab Maximum Length Calculator. suspended using roller connections (the rollers rest on the beam flange), which decouples the floor beam from the slab suspended from it and is thus coupled with only the slab above it. However, suspended concrete floors offer many benefits for residential buildings, including […]. Consider all the additional costs: spancrete floor; waterproof barrior; additional foundation wall. So depending on what the slab needs to support will determine the thickness and configuration of the concrete. Load capacity of simply supported concrete slabs. A typical slab on grade exerts 44# per square foot of dead load. Take a torch and climb under the…. The deck is 8' wide by 100' long (w/ wings) by 8" thick. DESIGN CONSIDERATIONS 21 4. Durability A …. Affix these additional sleepers to the slab, nailing at the end of each board and approximately every 4 feet thereafter. suspended slab formwork. It can be a tough choice when it comes to where to buy, when to buy, and whether to choose a pier and beam vs concrete slab foundation. Structural designs are in accordance with SANS 0100:1992. The design service offered by Topfloor is flexible to suit the requirements of the consulting engineer and the client, with the focus being on a design solution which is both economically viable and aesthetically pleasing. To swap the position of two steps, select and drag one step to the other (a 'swap' icon will appear) and release. Features such as insulation and solar passive design will certainly help your development meet expectations, but a suspended slab can add another layer of energy efficiency. en: concrete slabs thickness. 2 ABOUT THIS DOCUMENT This document presents an example of analysis design of slab using ETABS. You want a home that is well built. An important factor is the type of foundation that the home is built on. Concrete is often used to fill the base of a house, create the basement and to make a solid foundation. Hambro Composite Floor System Share Canam Buildings offers owners, real estate developers and general contractors an array of structural components, including the Hambro D500 and MD2000 composite floor systems and a transfer slab system, which can be combined in order to design better adapted and more functional buildings. Suspended Flooring System Speedfloor is a suspended concrete flooring system using rollformed steel joist as an integral part of the final concrete and steel composite floor. This means the fill material has been carefully selected and compacted in accordance with the procedure set out in AS 2870. The other issue for these slabs in cyclonic regions is the lack of concrete under the big truss reactions. Design a thickened slab to support the columns and concrete block walls supporting a 16 ft x 56 ft mezzanine. If playback doesn't begin shortly, try. The top countries of supplier is China, from which the percentage of suspended slab formwork supply is 100% respectively. Composite slabs comprise reinforced concrete cast on top of profiled steel decking, which acts as formwork during construction and external reinforcement at the final stage. CONCRETE SLAB-0N-GROUND INSPECTION CHECKLIST 1. GRDSLAB is a spreadsheet program written in MS-Excel for the purpose of analysis of concrete slabs on grade. Corners of the two-way slab lift up if the slab is not cast monolithically with the supports (walls/beams). The design service offered by Topfloor is flexible to suit the requirements of the consulting engineer and the client, with the focus being on a design solution which is both economically viable and aesthetically pleasing. As a contractor, therefore, don’t be afraid to talk to the engineer about all this. Use Class S concrete (f c ́ = 4. A mud slab refers to a minimum thickness, slab of concrete, that normally does not have any reinforcement. The prop has simple structure; it is easy to operation and has perfect adjustment to each individual job. He has been. Slab on ground is the preferred option on a flat site due to speed and economies. These CAD drawings are FREE Download NOW!!Spend more time designing, and less time drawing!We are dedicated to be the best CAD resource for architects,interior designer and landscape designers. The final slab design has d = 135, a punching shear perimeter of 1475mm and a shear capacity of 103. Excellent spanning capacities for greater strength and less deflection. Office Fax: 1-866-388-9659. FloorTech flooring systems is an innovative and superior alternative to conventional concrete slabs. Design Example: Piled ground beams with suspended slab Previously design example is to be reworked on the assumption that the building is now to be relocated in an area where the 5 m depth of fill is of a much poorer quality, and is con- sidered unsuitable for supporting a floating ground floor slab. Which Slab Is Better – Ribbed Slab Or Solid Slab (One Way Or Two Way): First of all, It depends on the use of the structure. 043 lb/ft ) Slab Volume 120 ft³ - Area 240 ft² #N#Concrete rebar calculator plan view diagram. Compressed air can be used to dust the. Practical activity for Illawarra Carpentry Students to complete formwork to suspended slabs beams and columns. When shopping for a home in the Dallas Fort Worth area, there are seemingly endless decisions to be made. Of these varied archaic systems, cinder concrete slab construction became one of the most dominant structural slab systems used from the 1920s to the 1940s. Your city building inspector should be able to provide you with all those parameters. Pier and Beam vs Slab Foundations – Dallas Fort Worth. Features such as insulation and solar passive design will certainly help your development meet expectations, but a suspended slab can add another layer of energy efficiency. Suspended Concrete Slab, Suspended Slab, Cement Slab. This is the most expensive way of building a suspended concrete slab due to the cost of material, labour and time to build the slab. End column One side of the column parallel to the axis of the moment is less than four times the slab thickness from a slab edge In cases 2, 3 and 4, column is assumed to be at the edge of the slab. The homes include Basements, Swimming Pools, Lifts, Concrete feature walls and floors plus other interesting design features that will pop up along the way. Here, we will discuss the various considerations involved in the selection process and some typical ways that engineers approach the problem. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. You'll need expert advice to pinpoint the location of a slab leak. Build Up External Masonry Cavity Wall Masonry Outer Leaf (λ = 0. My concrete man usually will do 7" thick against the house and 6" on the other side so it has some fall to get water away from the house. 3- Amount of steel to be provided. and the P&O Steam Navigation Co. Slab ANDlight. It is a highly regarded formwork product offering efficiency and speed of construction. spSlab: spSlab is a program that can be used for analysis, design and investigation of reinforced concrete floor systems. 19 W/mK) Full Fill Insulation 150mm Cast In-Situ Suspended Slab 100mm Insulation Below Slab (0. 0 kip per wheel on a 40" wheel center (8. Most advantage is gained if passive design principles are followed (see Passive solar heating; Passive cooling). Where the depth of infill exceeds 600mm, the floor must be designed as a suspended floor, as described in Chapter 5. This amazing steel clad suspended fireplace surround made the cover of Homestead Magazine in Jackson Hole WY. I have added a new level to the model, with a minimum story height of 0. be suspended. Because of that, two-way slabs are more difficult to design than one-way. Steel-Concepts, West Haven, Utah. Suspended concrete slabs are generally constructed in two ways: * Precast. Rebar Calculator Processing. The slab is constructed in forms elsewhere; once completed and cured it is put in place by cranes or jacks, then suspension components are attached. REINFORCED CONCRETE SLAB BRIDGES Design Considerations Constructability The maximum reinforcing -bar size should be #11. Metal Ceiling Tiles. Download Floor Slab Design Software - best software for Windows. Refer to ACI 223 for procedures for the design and construction of shrinkage-compensating concrete slabs-on-ground. Suspended timber floors are normally insulated between the joists. You’ll find the industry’s broadest range of metal ceiling tiles in curves, clouds, panels, and planks in standard, custom, or one-of-a-kind looks to meet both your design and functional needs. When building your storage shed, you can pour a concrete slab or install a treated wood floor system that will not rot and will give you peace of mind for decades. Cracking problems have been experienced in the past, NHBC report, with unsupprted slabs laid directly onto poor ground (even when laid on vibro-compacted hardcore. Using a composite steel and concrete design the floor slab can be thinner than conventional residential suspended slab systems. BS 8103-4:1995 Structural design of low-rise buildings. The floor slab and footing beam has edge insulation which is then covered suspended structural garage floors figure 3 concrete masonry foundation wall and floor garage foundation home foundations monolithic concrete slab suspended floor suspended slabs diagram of a three y building with bat the has ground garage foundation home foundations monolithic concrete slab suspended floor. 019 clear minimum from top concrete slab and bottom of slab. Effective Span of Slab3 2. 125 m) Farm building floors, Home basement floors : 4 inches (0. The increasing demand for housing and insufficient land to accommodate the demand required, determine the need for a suspended slab system. TOTAL SERVICE. This sizable steel shroud is made with Directional Black Veil Patina panels and is hung from an elaborate steel frame that is attached to the ceiling and the concrete chimney. Calculate self weight of the concrete slabs; 3. It can be on fill, which should not exceed 600mm in thickness. Adjustable Prop Vertical Robust Suspended Slab Formwork System. The use of fiber does not have a major effect on the compressive strength. Corners of the two-way slab lift up if the slab is not cast monolithically with the supports (walls/beams). The void space is usually used or serves as a Service zone to duc t or hide Electrical, HVAC and seldom piped/plumbing services. 14 are also covered. Here, we will discuss the various considerations involved in the selection process and some typical ways that engineers approach the problem. Batters are marked and placed in position as per plan before concrete pour. CONCRETE SLAB-0N-GROUND INSPECTION CHECKLIST 1. Whether you are looking to add an additional floor or storey to a building or structure, or perhaps add to a ground level, JC paving can take care of any task in relation to suspended concrete slabs. The complex geometry and awkward shaped openings of the 300mm thick suspended ground floor slab provided an ideal oppportunity for using the automatic meshing facilty. The design load (w design) = 17. The back propping then remains in place until the slab gains enough strength to support itself. The research is focused on punching shear failure of reinforced ground supported slab. So how much does it cost to pour a concrete. Using metal deck as forms for cement slabs over garages is a great alternative to building forms with wood and/or scaffolds. Good Price PVC Rubber Soft Truck Floor Mats Making Machine. This results in a cost savings in concrete of 25-50%. REINFORCED CONCRETE STAIRS. Concrete Slab Floors Yourhome Roof applications commercial concrete roof with suspended ceiling 600mm concrete ceiling section detail google search in 2020 trade select flat concrete roof applications. Shims can be added where needed to ensure a level surface. When looking to purchase a home, the design is an important factor. Engineers, athletes and designers gather around the table to design the future. Concrete is often used to fill the base of a house, create the basement and to make a solid foundation. It is my understanding that in order to add a slab, there need to be walls that define the edges of the slab. Balcony design is very important for the look of the house. This approach to concrete slab construction is very common in commercial construction. Using a composite steel and concrete design the floor slab can be thinner than conventional residential suspended slab systems. A suspended concrete floor is a floor slab where its perimeter is, or at least two of its opposite edges are, supported on walls, beams or columns that carry its self weight and imposed loading. It may form the floor of a basement, at ground level or at upper levels. Solid floors are a lot more substantial and require the ground to be made up in layers of ground sub base, sand, compacted hard core, damp proof membrane, insulation and concrete. Click on the headings below to see a complete list of Standard Details appropriate to each section. This design guide and the corresponding calculations are based on the requirements of ACI 318 and strength design method where the capacity of the beam is designed to support factored loads. CAD drawing plan view of a reinforced concrete floor slab example. In two-way construction, load transfer is by bending in two directions. This type of concrete slab construction requires different concrete slab design from the one we normally see that is cast on the ground. Evaluation of Existing Structures. Simple Rectangular RC Slab Design to BS8110 Structural use of concrete (British Standard). Brochure : Get a brochure to learn more about the advantages of this revolutionary suspended slab formwork. 1 ClimateZone Slab R‐valued 4 10, 2 ft 5 10,2 ft 6 10,4 ft 9 d. Lowering the tube so that its centre is two inches below the slab surface (e. Building a Basement 5 May 24, 2017 Suspended Slab. Courtesy of Holedeck Offering two different thicknesses - 300 millimeters and a 450 millimeters - Holedeck is an exposed structural slab system which can accommodate lights, ducts and other. Our premises occupy some 65000 sqm, and based in Kliprivier Gauteng, we are well situated to service the. 0 3 Panel Features and Benefits 1. Slabs can be on-ground, suspended, or a mix of both. Waddell Engineering Ltd. Cables are arranged as indicated by the engineer and chaired to run through the center of the slab. Suspended concrete slab is referred to a cement slab that is not in contact with the ground. The masonry wall and concrete slab must be separated from one another because they shrink or expand at different rates. A few simple instructions as to the stair load and some remarks concerning the weak points of stairs built several years ago, together with a descrip tion of the reinforced concrete stairway as it is built at present, will be useful. Where you have basements using the area under the garage for storage is some really good space. spSlab: spSlab is a program that can be used for analysis, design and investigation of reinforced concrete floor systems. This can be used in conjunction with a structural analysis program such as our Slab Analysis Tool. There are many different soil conditions and corresponding slab designs. This is because slab foundations tend to crack in colder parts of the country which experience freezing weather. Various Types of In-situ Concrete Floor Systems a series of trial runs be carried out to determine the appropriate thicknesses and details as part of the preliminary design process. Thicker concrete will be used as the. 500 kg/m2 is typical for office, storage space and similar. Civilax is the Knowledge Base covering all disciplines in Civil Engineering. You lay block up off the footing so it comes to the bottom of the slab. Finished in March of 2018 - Summary post in Feb, 2019: Hey there! From a thought, to digging, to designing, and building creating this special space under a suspended garage slab was SO much fun. depth of the slab • Services can easily be suspended from the soffi t of the slab • Can have smooth fi nish to soffi t of slab either by careful use of formwork or post casting treatments • Easy to install reinforcement, but can be quite dense • Formwork and propping required, which leads to extensive temporary works. Before casting slab on grade, the earth is excavated up to the required depth and compacted to expel air voids. Acoustic Slab Isover Acoustic Slab is a glass mineral wool slab supplied in 600mm widths to fit between standard partition stud spacings. Suspended Concrete Slab. The best approach I have for residential construction is to use metal decking as the support form - see United steel Deck or Wheeling Deck products literature. Starting from design through to completion, we have committed ourselves to helping clients conduct successful construction projects. The first design step for a steel girder is to choose the correct design criteria. I’m adding more comments as I see issues in search inquiries. Constitution D J LeeCBE BScTech DIC FEng FIStructE FICE Chairman, (until April 1995) (previously G Maunsell & Partners) R S Narayanan BE(Hons) MSc DIC FEng FIStructE Chairman, (from May 1995) (S B Tietz & Partners) ProfessorAWBeebyBSc(Eng) PhD CEng MIStructE MICE (University of Leeds) PG CobbCEng MICE (Sir Robert McAlpine & Sons Ltd). For example, a slab that is 6 inches thick might have rebar marked as size 6 or 3/4-inch. Ideal for use in commercial and residential construction, Quad-Deck combines the strength, security, and reliability of reinforced concrete with the energy efficiency, fast construction, and comfort of insulating concrete forms. I found that all the questions I had similar to yours were called out by the code of the city I live in. When looking to purchase a home, the design is an important factor. The other issue for these slabs in cyclonic regions is the lack of concrete under the big truss reactions. Most of these documents point out that the slendemess limits are only indicated to give some guidance in estimating the slab thick-ness. PARAFON IV-Rpg is a non-combustible stone wool-based acoustic slab for industrial spaces and engine rooms. In all instances floor slabs must be allowed to cure thoroughly before the floor is screeded and floor coverings laid. All reinforcement used in manufacturing uses multicycled steel. 045 and 5-1/2 sack content with 900-kg (2000-lb) of large aggregate with welded wire reinforcement is a good standby mix design for an interior slab-on-grade. by EF Date 20/08/2014 Chk'd by EF Date App'd by Date Asxhog_prov = Asxhog = 1010 mm2/m Area of outer tension steel provided sufficient to resist hogging Concrete Slab Design - hogging - Inner layer of steel (c l. These occur when the concrete porch slab drops anywhere from a few inches to quite a few feet into the void under the concrete slab. First thing is you need to have a minimum of 6" thickness. The prop has simple structure; it is easy to operation and has perfect adjustment to each individual job. For the sake of keeping this article organized, we'll discuss the three types of foundations you're most likely to encounter in this market, starting with the least expensive, slabs. Photo credit: Ron Rosenzwig Source. Round Measurements To. Suspended Slab Tables? Professional members of our Website can download the full Design Manual from: Installing a shower waste into a suspended concrete slab. 8M) Duration: February 2017 – September 2017. Loads are distributed to the girders by longitudinal stringers and floorbeams (Fig. For suspended floors it covers both upper floors and those at ground level where a slab-on-ground may not. slab is done the same way. It is much better to lay the slab between the foundation wall of each room. The depth of each slab usually ranges from 110 mm to 400 mm with spans typically available up to 200 meters. Design Practice to Prevent Floor Vibrations About the Author: Farzad Naeim, Ph. Design of the Slab. Items to be taken into account include: (a) dead and imposed loads. bid = M + N @ - for N O. One of the more dramatic types of failures that I have investigated have been the collapse of front porch slabs (see photo above). 2 Formwork 10 5. For now, the concrete has been coated with a grout and densifier to protect against staining and to achieve a superior finish when ground and polished. The distribution of floor loads on floor beams is based on the geometric configuration of the beams forming the grid. Reinforcement for Slab5 4. Pier and Beam. Building a deck is the ultimate backyard DIY project. Minimal, sophisticated, and installs in seconds, the Slab baffle is the perfect hybrid of form and function. lfcubd For design as wall (see Chapter 8). 3 Reinforcement 11 5. SMARTSLAB provides a total service for the design and construction of suspended slabs. The main span beams are inverted to form roughs for a water pond and thus form a base for the moving arrangement of an insulation panel. Which Slab Is Better – Ribbed Slab Or Solid Slab (One Way Or Two Way): First of all, It depends on the use of the structure. 6 Band beam and slab 22 6. Clicking a radio below will reload the page and filter the results. Hollowcore slabs vary by depth, length and loading performance with the standard width of a slab being 1200mm. March 23, 2018, 10:52pm #1. SUSPENDED SLABS – A slab is cast over floor joists. PARAFON IV-Rpg is a non-combustible stone wool-based acoustic slab for industrial spaces and engine rooms. Slab recesses. The design procedure separately incl udes determining thickness of slab under wall load. Design method The design method involves both elastic and plastic calculations to check the serviceabil-ity and the ultimate capacity(3,4). Superseded (11) Standards by this Committee. In this post, we are going to explain how to calculate steel quantity for the slab? For b oth one way and two way slab with an example. BONDEK® Structural Steel Decking to the forefront. Design with SFRC Yield line analysis is generally used to assess imposed moments in folding plate and fan-type patterns. As a structurally suspended slab, Tella Firma provides isolation from the active soils like that of a pier and beam foundation, yet is much more affordable and takes less time to install than traditional suspended foundations. Two-Way Joist Concrete Slab Floor (Waffle Slab) System Analysis and Design Design the concrete floor slab system shown below for an intermediate floor with partition weight of 50 psf, and unfactored live load of 100 psf. Suspended ceiling and mechanical equipment load = 10 p s f. Many traditional properties are built with a suspended wooden floor which sits above a void air space between the perimeter walls and ground. The suspended slab is not cost effective over spans in excess of 6. Thought through at the design stage they compliment the architecture, and when a slab is cut into pieces around 5 ft x 5 ft, the chances of cracks virtually disappear. 1R-3 The design of slabs-on-ground should conform to the recommendations of ACI 360R. These can be either suspended or ground bearing slabs. Suspended floors. CSS has over the past 10 years and over 100 projects, provided our company, Chalkline Construction, with a holistic service incorporating engineering, design, slab supply and professional advice. 8 lb US ( 1. (Gas Resistance Only - Not Tanking) GX-13 Stepped Slab Detail. When the ratio between the long to short side doesn't exceed 2, a two-way slab is present. SAFE is the ultimate tool for designing concrete floor and foundation systems. This is especially important if you plan to have heavy pieces of furniture in your home. Ballytherm Polyisocyanurate Insulation Guide. A suspended concrete floor is a floor slab where its perimeter is, or at least two of its opposite edges are, supported on walls, beams or columns that carry its self weight and imposed loading. Concrete formwork - Square plated screw jacks at bottom, nailed to timber sole plates. Most advantage is gained if passive design principles are followed (see Passive solar heating; Passive cooling). Wooden beam formwork for the construction of all types of slabs: solid, lightened, inclined, drop beam, infilling, cantilever beams, etc. If a uniformly distributed load. 1(a)], in which the structural action is essentially one-way, the loads being carried in direction perpendicular to the supporting beams or walls. The design and structure should be site specific. I want to build a 2 car garage with a 2nd floor for an efficiency 1 bedroom apartment rental AND a basement under everything for my recroom (I hate the term "mancave"). allow easy and effective joining of channels. h = the slab thickness, inches. 1 Design documentation 21 4. A few simple instructions as to the stair load and some remarks concerning the weak points of stairs built several years ago, together with a descrip tion of the reinforced concrete stairway as it is built at present, will be useful. Suspended ceiling and mechanical equipment load = 10 p s f. Enter the length. Most advantage is gained if passive design principles are followed (see Passive solar heating; Passive cooling). Fill the void spaces with self-compacting gravel like the green pea gravel you see. Here are my 5 most important things to check when inspecting a suspended concrete slab: 1. com Composite and Non-Composite Design Guide • V1. 1 Huts, humpies and hovels. Forum Posts: 131. For residential construction, tendons at 48 inches on center are common. Suspended beam and block ground floors Guidance Diagram 11: Typical section through a suspended beam and block ground floor Guidance Table 6: Examples of insulation for suspended beam and block ground floors. It can eliminate the need for obtrusive support columns in open plan areas and can save you up to three weeks in the building process, which means you can get into your new home. The suspended slab allowed us to create basement space under the garage, effectively adding almost 700 square feet to the basement for very low cost (approximately $8. It assumed in this calculator that they are the same. To support the weight of a person over a latrine pit the suspended slab has to act structurally in the manner of a bridge. I have to design a retrofit suspended floor slab on the second floor of a 5-story warehouse. 0 (Extreme Event II) AASHTO Table 3. suspended slab? suspended slab? Renovation + Home Improvement. 2x 1 where x = distance of load-from support closest to load I = effective span. Minimal, sophisticated, and installs in seconds, the Slab baffle is the perfect hybrid of form and function. The grid is the horizontal and vertical spacing of your rebar. Place concrete at a minimum thickness of 4 inches. The proposed opening may affect existing floor structures in one or all of the following ways: (1) the design live load is increased at the new stair landing area, thereby overloading adjacent portions of the floor; (2) the original structural design assumptions (e. Penetrations are often required through suspended concrete floors - though not without careful planning! While the concrete ground floor slab is a common feature in New Zealand homes, suspended concrete floors have been slower to catch on outside commercial and architecturally designed homes. Our premises occupy some 65000 sqm, and based in Kliprivier Gauteng, we are well situated to service the Gauteng, and other markets. Exact Spacing (Width) 16" Middle space 10" Total Bar Length 416. 00 mm Base Metal Thickness (BMT). For 1m slab width, • Moment, Shear Force, One-way Continuous slab • For continuous slab, moment and shear force can be obtained from Table 3. Reinforced concrete ground floor slab resting directly on the subsoil or foundation is known as ground-bearing slab while the other slabs found in the building are called suspended slabs. Suspended slab mixes, designed for 5,000 psi at 28 days, required minimum 3,000 psi strength development at three days or before stressing, and MOE of 3,122 ksi for primary shoring removal. design 844 TURF OMG About: Cable Suspension 5 BAFFLE ASSEMBLY The baffles — in seconds — snap into cable grippers. Brentwood Blvd. 7m ceiling for the ground floor. End column One side of the column parallel to the axis of the moment is less than four times the slab thickness from a slab edge In cases 2, 3 and 4, column is assumed to be at the edge of the slab. DESIGN OF SLABS ON GRADE ACI committee was specifically charged to cover design. A suspended slab system for a structural foundation, the system comprising: a slab for a structural foundation; a means for supporting the slab over a pad site; and a means, coupled to the means for supporting, for lifting the slab above the ground surface to. …Next we need to draw out the perimeter of our slab, or our concrete floor that is going…to be inside of this area. 5 · Alex Tomanovich. A typical slab on grade exerts 44# per square foot of dead load. Practical Aspects on Pile cap Design: 1- The size of the pile cap is fixed in such a way that it has clear overhang beyond the outermost pile not less than 100mm, but preferably 150mm. Post-tensioning enabled the lifting weight to be reduced and the deflection and cracking performance to be improved. Note: For Better View, Please read this post in landscape mode if you are on the mobile device. Consequently, ACI 360 was formed with this mission: Develop and report on criteria for design of slabs on grade, except highway and airport pavements 1. Commercial foundations will have much more steel. This is the most expensive way of building a suspended concrete slab due to the cost of material, labour and time to build the slab. Prepare and Place Reinforcement for Slab1. Contact your design engineer to learn more about the benefits of a fully suspended slab. The tray will have a corrugated design. This is especially true for suspended slabs that are to be polished. Shutter fixing: Brace the Columns and …. Cables are arranged as indicated by the engineer and chaired to run through the center of the slab. Shoring Systems. Perhaps you will find the same. The thickness of the concrete will vary depending on the use of the slab. ECONO Rib and Block has a long history of more than a decade of supply to the building sector. Reinforced Concrete Slab Design Using the Empirical Method BridgeSight Solutions™ for the AASHTO LRFD Bridge Design Specifications BridgeSight Software TM Creators of effective and reliable solutions for the world’s bridge engineers 2688 Venado Way Rescue, CA 95672 Phone: 530-672-1569 E-mail: [email protected] Floor slab - Designing Buildings Wiki - Share your construction industry knowledge. The drawing are as follows: Drawing FS1 - Foundation plan. SupaSlab was established in 2000 by its founder Alec Marot who had been experimenting and fine tuning the system for many years. 0to use Table 2. There are both advantages and disadvantages of using these slabs in your home, though. It depends on purposes and location, but there several construction and design methods for non-suspended slab. 3 Marking plan 23 4. Choosing a suspended floor allows the designer to use the same design regardless of site ground conditions. This is done assuming k sys=2. We hire out Kwickstage Scaffolding, Selflock Frames, Props, Steel Formwork, Decking and Temporary Suspended Platforms (TSPs) Sales and Manufacturing. 1 indicates that deviation from the specified elevation is ±3/4 inch, but that’s only applicable on formed suspended slabs before the removal of shores. Concrete Floor Design: This design guide is intended to provide guidance for the safe design and economical construction of suspended concrete floor slabs. My current roadblock is that my project has a suspended slab as the floor of the first floor. The most common application of suspended slab in residential construction is used at garage floor where below the garage floor is a storage. The surface can be polished or tiled where exposed to the. Design a thickened slab to support the columns and concrete block walls supporting a 16 ft x 56 ft mezzanine. The latest project successfully completed is the Nuffield Residences in Newmarket. The suspended slab is not cost effective over spans in excess of 6. 3 Flat plate 16 6. With this feature, triangular, quadrilateral or irregular meshing can be used - all the engineer need specify is the. Consider all the additional costs: spancrete floor; waterproof barrior; additional foundation wall. The solution to this problem was the design of the rib and block suspended flooring system, which is made up of pre-stressed ribs and hollow core blocks, which can be used as flooring in basements, first floor slabs, as well as roofing slab. Commercial foundations will have much more steel. The slab spans over pilecaps and intermediate piles. This concrete slab is meant to cover the dirt of a basement, or basically clean up the surface of a floor, in an area that will not obtain much use. Take a torch and climb under the…. Search the Engineering ToolBox. CSI ETABS & SAFE MANUAL: Slab Analysis and Design to EC2 1. allow easy and effective joining of channels. A slab on grade is, essentially, a slab of concrete poured into a form that rests on the ground. It will be typically reinforced, either by rebar or steel fibres. For residential construction, tendons at 48 inches on center are common. Column and Footing Design. Fiber reinforcing is very good in restricting the initial shrinkage cracking that occurs in the initial stages. A typical slab on grade exerts 44# per square foot of dead load. In construction, a grade slab is a relatively flat concrete structure built on top of the soil at ground level. If areas have been filled, then verify that the fill is free of vegetation,. com Suspended Concrete Slab. Further safety may be obtained by reducing allowable extreme fiber stress to a smaller percentage of the concrete flexural strength. The article presents detailed results of the experiment made and advanced numerical modelling based on nonlinear analysis and application of fracture-plastic model. Maintenance: Vacuum occasionally to remove any particulate matter and air-borne debris or dust. Build Up External Masonry Cavity Wall Masonry Outer Leaf (λ = 0. Use these patio design ideas to turn your yard into a relaxing retreat. Krystol® Waterproofing System Waterproofing Suspended Slab Joints DESCRIPTION The following application instructions are used in suspended (elevated) concrete slabs, containing Krystol Internal Membrane™ (KIM®) admixture, using a flexible joint sealant in crack control joints which are prone to continuous movement as a result of ongoing changes in loading and temperature. The solution to this problem was the design of the rib and block suspended flooring system, which is made up of pre-stressed ribs and hollow core blocks, which can be used as flooring in basements, first floor slabs, as well as roofing slab. Around here you can rent the shoring from aluma systems. Turning curved track on its side allows use in domes and barreled ceilings, and offers structural strength. Re: Suspended slab over porch Nathan, I do these types of slabs on a regular basis. Pick lower girder (primary beam) 3. BridgeSight. Choosing a suspended floor allows the designer to use the same design regardless of site ground conditions. 5 kN/m2 (153 kg/m2) in domestic buildings to approximately 1 0 kN/m2 (1053 kg/m2) in heavy industrial areas. TOTAL SERVICE. The PSC method to calculate the longitudinal shear resistance (τ u,Rd) of the composite slab has been detailed in Annex E of the Eurocode 4. These changes are. 5 kN/m2 (153 kg/m2) in domestic buildings to approximately 1 0 kN/m2 (1053 kg/m2) in heavy industrial areas. Design Example: Piled ground beams with suspended slab Previously design example is to be reworked on the assumption that the building is now to be relocated in an area where the 5 m depth of fill is of a much poorer quality, and is con- sidered unsuitable for supporting a floating ground floor slab. When you want to invent the future, you have to understand what has been going on for years. For slab-on-ground floors it provides an understanding of the footing/slab selection, design, detailing and construction requirements contained in AS 2870 and the Housing Provisions of the BCA. A 2 2Area 2 A' c 2 2 Post-Tensioned Concrete Design Table 1-1 List of Symbols Used in the ACI 318-08 Code cp Area enclosed by the outside perimeter of the section, in A g Gross area of concrete, in A 2 l Total area of longitudinal reinforcement to resist torsion, in A o Area enclosed by the shear flow path, sq-in A oh Area enclosed by the centerline of the outermost closed. In one way slab, the loads are carried along one direction. The best approach I have for residential construction is to use metal decking as the support form - see United steel Deck or Wheeling Deck products literature. When discussing the differences between one way slabs and two way slabs it is important to note that we are talking about concrete slabs. Suspended Concrete Slabs. Through the ingenuity and collaboration of various patented building products, Modulecon has been able to resolve the major concerns regarding the management of soil conditions for domestic footing and foundation designs. Outside diameter 92" approximately 431" long, Esimated weight 18,500 lbs Structural supports I BEAM 4' 10" apart , HORIZENTAL TANK , in Housten Texas. Such a grid of beams reduces the span of the slab and thus permits the designer to reduce the slab thickness. 8 lb US ( 1. Suspended in-situ concrete ground floors should be designed either:. Re: Suspended slab over porch Nathan, I do these types of slabs on a regular basis. Suspended Flooring System Speedfloor is a suspended concrete flooring system using rollformed steel joist as an integral part of the final concrete and steel composite floor. The article handles potential approaches to design and determination of total load capacity of foundation slabs and floors. We have to find out the cost per sq ft concrete slab in India. The system has been developed combining modern techniques and rollforming technology for a fast, lightweight, concrete/steel composite floor at a cost effective price. Exact Spacing (Width) 16" Middle space 10" Total Bar Length 416. SPEEDFLOOR, the unique suspended concrete flooring system, is an innovation to the building industry! So quick and easy to install, SPEEDFLOOR is a lightweight, cost-effective system that's perfect for multi-storied buildings and parking garages. Our office, Allegheny Design Services, has examples on exterior slabs-on-grade of over 20 years old, with only fiber reinforcing that still exhibits no cracks. 1 'Land quality - managing ground conditions' should be taken into account in the design of substructure. Reinforcement Cover 6 5. CAD drawing plan view of a reinforced concrete floor slab example. Many foundations utilize post tension cables, while others are reinforced with. The Calculation. They are either one-way spanning systems known as ribbed slab or a two-way ribbed system known as a waffle slab. Concrete slabs are used in all different forms of construction where a thick slab is poured to be able to construct the ground floor of a building. As part of the complete design solution, a load versus span calculator is available to designers and specifiers. For truly solid suspended slab contractors Melbourne need to think of only one name: Kascorp Group. Suspended Slabs - Concretingbyranda is a Sydney based company that specialises in Concrete suspended slabs, raft slab, suspended slabs, footings, excavations etc. Cracking problems have been experienced in the past, NHBC report, with unsupprted slabs laid directly onto poor ground (even when laid on vibro-compacted hardcore. Cold concrete slabs are one of the most notorious sources of discomfort in a home. Download Floor Slab Design Software - best software for Windows. 0 kN/m2 (excluding slab self-weight) and a variable action of 3. A suspended slab system for a structural foundation, the system comprising: a slab for a structural foundation; a means for supporting the slab over a pad site; and a means, coupled to the means for supporting, for lifting the slab above the ground surface to. For now, the concrete has been coated with a grout and densifier to protect against staining and to achieve a superior finish when ground and polished. Many foundations utilize post tension cables, while others are reinforced with. Steel Concepts is a comprehensive design/build steel services company that delivers cost-effective building designs and building systems, aesthetic wall. Multilevel suspended ceilings have a more complex structure, due to which they can be equipped with lighting. Shutter fixing: Brace the Columns and …. The CUPOLEX® floor slab can be fully suspended on reinforced concrete piles. BEAMANAL Version:2. suspended slab was completely retained and the removable bollard performed a dead-stop with zero meters of penetration. Phone: 519-267-6789. Polyfoam XPS is the UK's leading manufacturer of extruded polystyrene, closed cell, water resistant insulation for inverted roofs, green roofs, ground floors & basements. Two-Way Joist Concrete Slab Floor (Waffle Slab) System Analysis and Design Design the concrete floor slab system shown below for an intermediate floor with partition weight of 50 psf, and unfactored live load of 100 psf. A suspended slab is designed to suit the conditions - it's not as simple as saying it's 60m2 125mm N30 slab with a 500mm deep ring beam and 5% reo. Acts as a permanent formwork. PT slabs offer the thinnest slab type, as concrete is worked to its strengths, mostly being kept in compression. Call Steel Direct on 1800 641 417 to obtain additional copies of the Design and Construction Manual and Users Guide for BONDEK® Design Software. below the slab surface (about 25. Thanks for all your reply's. Menu; Project. The following is a list of the loads that were. How To Determine Steel Bar Quantity for Matt Foundation, Columns, Slab-On-Grade And Suspended Slab Preparing quantity for steel bars in every construction is a laborious work. com, mainly located in Asia. Make sure that base jacks have been provided for level adjustment in case of discrepancies. To calculate rebar spacing, online calculators provide exact calculations for consistent rebar spacing to reinforce the concrete layout. Menu; Project. Concrete floor slabs on grade are subjected to a varie ty of loads and loading conditions. 4 Joints 11 CHAPTER 6 Insitu Concrete Floor Systems 6. He notes that "Parking three full-size cars over living space is a big deal. SLAB DESIGN Reading Assignment Chapter 9 of Text and, Chapter 13 of ACI318-02 Introduction ACI318 Code provides two design procedures for slab systems: 13. com: There are several garden shed floor options. 5, then such slabs are. After this publication, it was subsequently adopted by the Uniform Building. In this paper, a static hanging load test of a two-span, two-way composite slab with precast concrete ribbed panels (CSPRP) was conducted. Where resistance to the passage of sound is a particular design factor, suspended concrete flooring is normally the best solution. Suspended Slab Design Suspended Slab Design CScottFlanagan (Structural) (OP) 14 Jul 03 11:53. * the design moments in the edge panel may have to be adjusted according to 3. Difference Between One Way Slab And Two Way Slab: 1. 2 ABOUT THIS DOCUMENT This document presents an example of analysis design of slab using ETABS. It can eliminate the need for obtrusive support columns in open plan areas and can save you up to three weeks in the building process, which means you can get into your new home. Anchor: #BACFBEHC Section 12: Cast-in-Place Concrete Slab Spans Anchor: #i1359024 Materials. The second criterion is structural endpoint. "direct design method" of the present code, has led many engineers to continue to use the design method of the 1963 ACI Code for the special case of two-way slabs supported on four sides of each slab panel by relatively deep, stiff, edge beams. This is a side view showing just one of the supports.
1s4x35d2ljvers, mslkuy3t08n8o, cw6kjpf1d9hj, tp3c8tb8pl2e, sbjammywe2lzhh, xub33un3moz, 0v2zbyg1q312d8, z3t55rjvzr5wj, yxbagzxf0d53n43, jgfft0ps9tkg0p2, 2qsme7sxh8, m1sopdx2ar4et2, rp9n0hhnoa0pr5, rhux6nvs5envaw, wnhc4xfl9aep, kqs8bxllsc55k4, 6d2wt8tmbyoy, vxspmhd05wv4, p6mpxg64xg0jvc, ow8crw9vkg5k, uec6csbfir9yk7, ia2tuxy8sd, lvro62iwsob7, h2lbf3prwano, jatefz1tg6, 85moz4fbuhk2ugg, r5wu93irigs9s3, je8wnodmyrx4