2nd floor concrete slab thickness

At CivilSir, we share all the information related to civil engineering. The thickness of an upper floor is determined by the ceiling design of your first floor, the structural members supporting the floor, and, lastly, the design of your structural system. Floor Area (m) = 1000 / Slab Thickness (mm) Stetson Building Products, LLC. Since the type of concrete for floors isnt adhesive, the mould can be taken apart once the concrete sets. Once the foundation, bearing walls, and support beams are deemed sufficient, a professional can come in and begin pouring the concrete. Generally, concrete second floors for residential homes are around 0.2 0.4 meters thick. It is best to check the condition of the wood to ensure that it will not go through structural changes or deformities, such as when it gets exposed to moisture that may later affect the positioning or stability of the concrete floor. Minimum Size Of Concrete Slab Beam Column Lceted Institute For Civil Engineers. For most domestic garages, a six-inch slab of concrete will be sufficient. Minimum Thickness Of Concrete Slabs. As we mentioned earlier, designing floors can get quite complicated, and theres a reason why this type of project requires professionals to get involved. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. supported slabs; L/24 for slabs with one end continuous; L/28 for slabs with both However, this figure assumes typical construction. A new method for designing floor slabs on . Guest PostContact usPrivacy policySitemap, How much unit of sand required for 1000 sq ft house, How many shingles do i need for a 1010 shed, What size beam do I need for a 26 foot span, ( Red Brick Vs Fly ash Brick), (What is Fly ash Brick), ( Red Brick Vs Fly ash, (What is Fly ash Brick). Concrete second floors can be installed as little as two inches (5.08 cm) thick. Due to their relatively small size, residential buildings have a lot more leeway in terms of floor thickness than other building types. As a result, falling or slipping on a concrete floor can be extremely painful and carries a higher risk of injury when compared with alternative materials. Deeper beams should be compacted; thin slabs (typically 100mm thick) receive adequate compaction through the placing, screeding, and finishing operations. Concrete is typically poured into a thin layer over an existing surface on the second floor to reduce the weight exerted on supporting structures.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'concretequestions_com-medrectangle-4','ezslot_3',135,'0','0'])};__ez_fad_position('div-gpt-ad-concretequestions_com-medrectangle-4-0'); Keep reading to learn more about using concrete flooring on the second floor. A concrete slab floor provides a simple way to add thermal mass to a design. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'whatblueprint_com-medrectangle-3','ezslot_3',139,'0','0'])};__ez_fad_position('div-gpt-ad-whatblueprint_com-medrectangle-3-0');if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[320,50],'whatblueprint_com-medrectangle-3','ezslot_4',139,'0','1'])};__ez_fad_position('div-gpt-ad-whatblueprint_com-medrectangle-3-0_1'); .medrectangle-3-multi-139{border:none !important;display:block !important;float:none !important;line-height:0px;margin-bottom:7px !important;margin-left:0px !important;margin-right:0px !important;margin-top:7px !important;max-width:100% !important;min-height:50px;padding:0;text-align:center !important;}A concrete second floor for a residential home will be around 0.2 0.4 meters thick(somewhere around a foot). Once the mould is ready, the concrete is poured in and is left there to set. Five to six inches is recommended if the concrete So can you install concrete flooring over wooden floors? Beams are essential as they help redistribute a floors weight back to the ground. How Thick Should a Concrete Floor on the Second Story Be? By Cam Merritt Updated December 10, 2018. the temperature of the unexposed surface to rise by a given amount, generally 121.1C However, concrete is also heavy and requires sufficient support to remain strong. 2. A concrete floor on the second story should ideally be 4-6 in (10.16 - 15.24 cm) thick. Apart Read full affiliate disclaimer.Can You Have Concrete Floors on the Second Floor?if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'concretequestions_com-box-3','ezslot_4',133,'0','0'])};__ez_fad_position('div-gpt-ad-concretequestions_com-box-3-0'); Concrete is a durable, robust, and versatile building material. However, concrete is very heavy, which leaves people wondering whether it is a suitable material to use on the second floor? Concrete slab thickness = 20 x 2 + 10 x 4 + 20+5 = 105 mm. 2205 Bell Avenue Des Moines, IA 50321 1-800-383-2181. This is an improvement over the 1990 version of ACI 117, which had a thickness tolerance of +3/8 inch, - inch. Answer (1 of 9): Whether it is 2 storey or 10 storey, the thickness of the slab is based on the span and type of slab and not on the number of stories. In a typical home, the entire . Compared to other materials, such as metal or wood, concrete is quite heavy, and it does need quite a lot of time to set and make properly. Generally, as the slab span increases, the concrete slab thickness and weight also increases. Now nearly another decade has passed and there's still no generally accepted approach. Types of concrete floor slabs: Flat slabs. The consent submitted will only be used for data processing originating from this website. Minimum tensile strength of concrete: 4,000 PSI. High rise building includes multi- stories like 10 storey, 20 storey and apartment. link to What Tools Do You Need To Renovate A House? This reduces the carbon emissions released during transport. Once you have determined that the foundation of the house is strong enough to sustain a concrete floor, lay down wood sheeting. It will cost more up front, but I think in the long run it will be cheaper. Constructing a concrete slab costs around $4 $8 per square foot. The good news is that you won't have to provide much in the way of maintenance. Concrete slab thickness for 1, 2, 3, 4 & 5 storey building, Hi guys in this article we know about concrete floor slab thickness for 1 storey/G+0/one floor/ground floor building | slab thickness for 2 storey/G+1/two floor building | slab thickness for 3 storey/G+2/three floor building | slab thickness for 4 storey/G+3/four floor building | slab thickness for 5 storey/G+4/five floor building | slab thickness for 6 storey/G+5/six floor building | slab thickness for low rise building/ high rise/apartment building. Therefore, you wont need more materials for repairs or replacement. Standard concrete floor slab thickness in residential construction is 4 inches. Reach Us. This step is started after the bleedwater has evaporated and when the concrete is hard enough that footprints will be about -inch deep or less. But do owners really want to pay for the extra concrete? I do not allow any concrete to be poured except under my supervision. The floor of one level of a home shares framing with the ceiling of the level below it. Please enter your email address. An exception to this would be for small to medium scale terraces. Like. From the earliest age I can remember, I was planning and building things, and there was no question that Architecture was the right career fit for me. Minimum aging of new concrete slab: 28 days (cure time) Minimum thickness of concrete slab: See new slab table & figures below. Thickness of concrete slab depends on loads and size of the slab. Now that you know the benefits of using concrete flooring upstairs, you may be eager to have it installed. Concrete floors slabs concrete slab beam column minimum flooring thickness in any thickness of slab how to determine. Given the industry standard for residential properties is four inches, it's a good idea to budget for that extra 0.5 inches to provide additional support. Sometimes, slab When you join you get additional benefits. Therefore, it is essential to weigh the pros and cons of using concrete before installing it on the second floor of your home. It's available as a normal weight concrete, 145-155 pounds per cubic foot, or lightweight concrete, 110 pounds per cubic foot. Concrete weighs a lot. Email: info@alphapaving.com. For an office space, you require a 2 hour fire rating, which means you require a 4.5" NW concrete or 3.25" LW concrete over a 2" deck. The important thing for contractors is to start the project with a clear idea of what the owner or specifier really wants and what you will have to do to accomplish that. For high-traffic areas that expect to see large trucks pulling through, plan on 12 inches of concrete. In general, 6 inch (150mm) slab thickness is considered for residential and commercial buildings with reinforcement details as per design. One aspect to highlight is that if steel bars are incorporated into the concrete, what is known as reinforced concrete is formed. Answer: If this is going to be built in California it will certainly have to be engineered and designed with the input of a CA licensed architect and a CA licensed structural engineer. Calculate design shear strength of the slab, equation 3. Slab thickness is the greatest single factor controlling the load-carry capacity of a slab-on-ground. As a result, in some homes, concrete flooring may not be possible upstairs if there is poor structural support in place. Concrete Questions also participates in affiliate programs with Clickbank, CJ, ShareASale, and other sites. However, wood has to be at least in (1.9 cm) thick to provide the concrete with enough support to remain strong and stable. Welded plate girders, latticed girders, and vierendeel girders are also used. If your driveway is about to hold heavy vehicles, you need to make a thicker concrete slab. Log in to TheConstructor to ask questions, answer peoples questions, write articles & connect with other people. What Is Slab Construction Types Of Design Floor Concrete Slabs Thickness Prefabricated. Thickness of concrete slab depends on loads and size of the slab. These values can be used provided the slabs are not supporting or attached to partitions or other structures liable to be damaged by large deflections. Concrete Thickness for Patio Concrete Slabs. LIFT MODELS. The materials used in making concrete, like limestone, are readily available across the country. Construction structure concrete slab needs proper designs, grade of Steel, grade of concrete should be used to poured the concrete to make the floor slab. Determine the thickness of slab for 1/ 2/ 3/ 4/ 5 storey building, concrete floor structure first you should to figure out total load ,what kind of concrete slab you have needed, it is concentrated load or spread load all over the slab, there is a different rules for finding the thickness of slab for low rise building structure. To see the details of computing minimum slab thickness, please click here. Continue with Recommended Cookies. Most building codes require concrete patio slabs to be laid at a minimum thickness of 3.5 inches with a compressive strength of 3,000 PSI. The mould is supposed to be bigger than the floor since it includes walls, and the reinforcement bars are supposed to be attached to other structural members( such as column bars or beam bars). is kept 6 inch to 8 (150mm to 200mm), taking minimum thickness should be 6 (150mm), maximum thickness should be 8 (200mm) and there is no nominal or standard thickness should be mentioned in IS code, but I recommended to use nominal or standard thickness of concrete floor slab 6 inch (150mm) thick for Apartment/ high rise building, providing minimum concrete grade M10 to M15 and mesh bar embedded in concrete, 2 deep from top of floor slab. Driveways : 6 - 8 inches ( 0.15 - 0.2 m) Side walks, barn and granny floors : 5 - 6 inches (0.125 - 0.15 m) Porches, Home garage floors : 4 - 5 inches (0.1 - 0.125 m) Farm building floors, Home basement floors : 4 inches (0.1 m) Sponsored Links. Uncategorized. Rough concrete surfaces can also pose risks for scratches on the skin. Perhaps concretes greatest asset is also its greatest downside. Dan Dorfmueller Wet curing with curing covers is critical to a strong surface. Roof Slab Thickness For 1 2 3 Or Multi Y House Civil Sir. Four months after the floor was placed, 10 cores were drilled, measured, and tested in compression. If you want a say in how thick your floors should be, youll need to talk to your architect. Concrete slab thickness for apartment/high rise building: Concrete floor slab thickness is not depending on how tall/hight of building, its depends on material, Engineering, load acting on it and span, need proper design, what kind of material should be used. Concrete slab thicknesses depend on the type of floor slab used in construction and the span of the slab. Before anything else, safety and function should be your main priority, and this is specifically why theres a heavy emphasis on structural design and systems. Your concrete slab for a driveway should be around 10 cm thick. We and our partners use cookies to Store and/or access information on a device. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'whatblueprint_com-medrectangle-4','ezslot_1',110,'0','0'])};__ez_fad_position('div-gpt-ad-whatblueprint_com-medrectangle-4-0');The average thickness of a concrete second floor for residential is 0.2 0.4 meters. The above prices are a general estimate. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The cubic yard is equal to cubic feet multiplied by .037. On top of this, once a concrete floor has been installed, it will last for decades with very little maintenance or care. Multiply the worst-case load by a safety factor, which usually ranges from 1.3 to 2.0. Convert a measurement in inches to a measurement in feet. One good way for contractors to make their case is to use Position Statement #9, Slab Thickness Tolerances created by the American Society of Concrete Contractors (ASCC). They can be controlled, but not eliminated. . Another advantage of using concrete flooring on the second story of your home is the design and shape options available. unless deflections are calculated In addition to wood, concrete flooring may also be installed over tiled floors and concrete slabs that fit together. Miscellaneous - Engineering related topics like Beaufort Wind . . It doesn't have to have the gravel base, but the soil underneath it needs to be prepared. Sorry, you do not have permission to ask a question, You must log in to ask a question. The more beams you have, the thinner you make your floors, but only to a certain degree. The ACI Code provides method to compute minimum two-way slab thickness which satisfies deflection. My design has a concrete floor to the second level. the design even if the thickness is selected based on deflection requirements. This may be counterproductive because the weight of the slab may increase shear force significantly. d: effective depth of the slab needed to withstand moment, b: width of the slab, 1m (12inch) slab strip is considered. You know that thickness of concrete floor slab depends on load acting on it and its span, whether it is concentrated load or is spread all over the slab, type of construction structure. It can get quite difficult and expensive to extend a slab directly. So if you are a civil engineering student this is the best platform where you can improve your knowledge. Once the wood sheeting is down, add a covering of plastic. Second-story concrete floors are often less than 4 in (10.16 cm) thick due to the weight of concrete as a building material. Concrete flooring has numerous benefits, including longevity and aesthetics, but it is a heavy material that requires a sturdy structure to support it. Low rise building comprises of 1 storey, 2 storey, 3 storey, 4 storey and 5 storey building. The good thing is that cracks can be filled in with fresh concrete and it will be as good as new, making concrete flooring cheap and easy to maintain. The deck + slab is 6 thick (not yet clear to me how thick the concrete is). using some basic thumb rules, regulation and guideline as per ACI code and IS code 456:2000, for concrete floor, concrete slab thickness for Apartment/ high rise building One way slab. Oct 28, 2017 - Explore Stuart Smith's board "Second floor concrete slab" on Pinterest. Copyright 2022 CivilSir One way or another, the design process usually consists of these 8 steps: Get details of the proposed loads, and figure out the worst case for which you have to design. using some basic thumb rules, regulation and guideline as per ACI code and IS code 456:2000, for concrete floor, concrete slab thickness for 1 storey (G+0)/ 2 storey (G+1)/ 3 storey (G+2)/ 4 storey (G+3)/ 5 storey (G+4)/ 6 storey (G+5)/ low rise building is kept 4 inch to 6 (100mm to 150mm), taking minimum thickness should be 4 (100mm), maximum thickness should be 6 (150mm) and there is no nominal or standard thickness should be mentioned in IS code, but I recommended to use nominal or standard thickness of concrete floor slab 5 inch (125mm) thick for 1 storey (G+0)/ 2 storey (G+1)/ 3 storey (G+2)/ 4 storey (G+3)/ 5 storey (G+4)/ 6 storey (G+5)/ low rise building, providing minimum concrete grade M10 to M15 and mesh bar embedded in concrete, 2 deep from top of floor slab. 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