Steel quantity by thumb rule - GeekInterview Civil Engineering - Steel quantity by thumb rule How can we get the steel quantity by thumb rule ? I know that it is 1% for slab and 2-3% for RCC column & beams. If I have 10 Cum RCC work for column & beam then how can we get the steel quantity in kgm or Qntl.?. 56 Answers are available for this question. Introduction to Reinforced Concrete Structural Design - An ... Concrete is a mixture of gravels, water, and cement. The water hydrates the cement and hardened concrete is created. The knowledge of cement is several thousand years old. It is found as mortar to set stones or brick. This method still commonly used today. True reinforced concrete was developed only about 100 years ago. Understanding and Mitigating Moisture Issues in Concrete . before and after exposure to the concrete slab using the same weight scale for all measurements. These tests are conducted over a period of approximately 60-72 hours and measure the amount of moisture vapor emitted per 1,000 square feet of floor space per 24-hour period. This reading is expressed in pounds of vapor emission.    Read More

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  • ARE 4.0 Structural Systems Flashcards | Quizlet

    Reinforced concrete design in which there is simultaneous crushing of concrete and yielding of the reinforcing steel. To assure that yielding of the steel occurs before crushing of the concrete, the amount of reinforcing is limited to 75 percent of that which would produce a balanced design.

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  • Concrete Slab - How To Cast One - Sans10400

    Concrete Slab Step-by-Step. Whether you are casting concrete for foundation footings to support a simple timber structure, or for a solid slab that will form the floor of a garden building to be built from wood, the principles are exactly the same.

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  • The Radiant Heat Experiment (on a seriously low budget)

    Any old rich guy can hire the top architect and boutique builder to make him the latest LEED-Platinum superhouse to show off in Dwell magazine. at $1000 per square foot. But with energy cheap and skilled labor and high-end home materials expensive, it takes more thought and experimentation to save energy AND money at the same time.

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  • How to Use Self Leveling Cement to Level a Large Concrete ...

    Tony, a full bad of self leveler will say how much coverage it provides in cubic feet. 1 cubic foot is 12″ by 12″ by 12″ . With that amount you could cover, for example, 12 square feet with 1 inch deep of SLU. Or you could cover 24 square feet with 1/2 deep of SLU.

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  • Concrete Calculator - Schmitz Ready Mix

    Ready-mixed concrete is sold by volume measured in cubic yards. If you can determine the area of your concrete project (length x width for rectangular projects) and know the thickness of the slab, you can use the information in the Concrete Volume Calculator below to determine how much concrete .

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  • 2018 Concrete Driveway Costs | Average Price To Install a ...

    Asphalt driveways are typically less expensive than concrete, costing a minimum of about $2.50 per square foot. An asphalt driveway might last just 20 years; .

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  • Floor Deck - Metal Deck Direct

    3" composite floor deck is the deepest and most structurally sound concrete floor panel available. The deep profile allows a deeper and stronger pour of concrete therefore a higher slab depth is necessary, and very thick slabs can be achieved.

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  • Understanding and Mitigating Moisture Issues in Concrete .

    before and after exposure to the concrete slab using the same weight scale for all measurements. These tests are conducted over a period of approximately 60-72 hours and measure the amount of moisture vapor emitted per 1,000 square feet of floor space per 24-hour period. This reading is expressed in pounds of vapor emission.

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  • Structural DeSign - structuremag

    concrete slabs above the top of the steel deck, reinforcement is usually required to increase the shear capacity. Shear-friction provisions given in American Concrete Institute (ACI) 318 Section 11.7 and its commentary are referred to for the design of concrete slab shear reinforcement. Figure 4 shows the concrete slab critical shear planes/ surfaces.

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  • Quality Concrete Slab Design - gpsinformation

    Each 1% increase in water content increases concrete shrinkage by 2%. Thus, it is extremely important to use an absolute minimum of water (lowest slump) in the concrete mixture. For slab floors, concrete slump more than 4 inches maximum should be avoided to .

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  • Concrete Slab on Grade Analysis Calculator (for Post or ...

    Recommendations for input of Increase for 2nd Wheel (or Post), 'i': 1. For 6" to 10" thick slabs on grade with 'k' values between 100 pci and 200 pci, the increase in stress, 'i', due to a 2nd wheel (or post) load as a percentage of stress for a single wheel (or post) load is approximately 15% to 20% for a wheel (or post) spacing of 3' to 4'. 2.

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  • Office of International Programs - Policy | Federal ...

    The required concrete slab thickness for the new cement-treated base alternative is 10.6 in (27 cm); it was 10.2 in (26 cm) for the old design with a bonded base. The design compressive strength of the cement-treated base is 2,100 pounds per square inch (psi) (15 megapascals (MPa)) under a concrete slab and 1,000 psi (7 MPa) under asphalt layers.

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  • Steel Construction versus Concrete - Metal Buildings

    Concrete. Concrete, when it is in thick columns or cores, is sturdy protection against debris and high winds. The core, containing the elevator, stairs, and power systems, is typically encased in 2-foot thick concrete that is capable of protecting the area from fire and some explosions.

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  • How Much Does a Stamped Concrete Patio Cost? - costowl

    Resurfacing concrete costs less than stamping freshly-poured slab; budget $6 to $10 per square foot. DIY Network estimates that a DIY resurfaced, stamped front porch costs $500 to $1,000 and takes several weekends to complete.

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  • How much weight can a 5" thick concrete slab withstand ...

    Oct 18, 2007· Best Answer: You didn't give units of area for me to work with, but I will tell you what I can. Medium strength concrete would fail at about 28 MPa (4,000 pounds per square inch). High strength concrete would fail at about 40 MPa (6,000 pounds per square inch). In a 5" X 5" section, it would be able to hold ...

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  • How to Calculate Heat Capacity of Concrete | eHow

    The density of average concrete is 133 lbs. per cubic foot, so the wall's mass is 13,300 lbs. Multiply the mass by the specific heat capacity of concrete, 0.2 BTU/lb/degree F. This yields 0.2 times 13,300 equals 2,660 BTUs to raise the temperature of the entire wall just 1 degree Fahrenheit.

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  • Nominal Weight of Standard Concrete| Concrete Construction ...

    A good rule of thumb for most concrete mixtures is 150 pounds per cubic foot. If you fill a 5-gallon bucket you've moved nearly 100 pounds of concrete. Fill a standard contractor-size wheelbarrow and you could be pushing more than 800 pounds.

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  • How much concrete is needed for a slab 2000 square feet by ...

    How much concrete is needed for a slab 2400 square feet by 4 inches thick? 2400 sq. ft. Divided by 3 (1/3 ft thick) = 800 cu ft 800 / 27 (27 cu ft per cu yd) = 29.63 cu yds Order 31 to 33 yds depending on how accurate your 4" are.

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  • Steel quantity by thumb rule - GeekInterview

    Civil Engineering - Steel quantity by thumb rule How can we get the steel quantity by thumb rule ? I know that it is 1% for slab and 2-3% for RCC column & beams. If I have 10 Cum RCC work for column & beam then how can we get the steel quantity in kgm or Qntl.?. 56 Answers are available for this question.

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  • How to pour a concrete foundation - Liberty Nature Preserve

    The forms from the first slab (along the edge that separates the 2 slabs) are removed and we begin preparing slab #2. We had to truck in a couple more yards of pea gravel, then rake it out level. 1-1/2" rigid styrofoam insulation is attached to the entire slab perimeter.

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  • How to Calculate the Load Bearing of Concrete | Hunker

    Look in your project plans for any notes on additional rebar or wire mesh that has been added to your concrete pour. If additional re-enforcement has been added, then you will add 1,000 psi to the load-bearing amount of your concrete yard.

    Steel Building Foundation Requirements Guide | BuildingsGuide

    Slab. A slab foundation consists of a reinforced and poured concrete, which serves both as the base for the erection of the building and as the floor of the building itself.

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  • Concrete Questions and Answers - CEMEX USA - CEMEX

    (For example, a 4 inch slab of concrete should have joints every 10 to 12 feet.) Uneven shifting of the substructure or sub grade can also cause cracking. This is a structural failure, as opposed to improper curing or jointing as mentioned above.

    How to Replace Drainpipes in Slab Homes | Home Guides | SF ...

    A slab home gets its name from the way it's built: Concrete is poured over the ground within the foundation walls to provide solid interior flooring.

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  • CONCRETE TO BE 28 DAY COMPRESSIVE STRENGTH TO .

    • concrete to be 28 day compressive strength to 4000 psi. • no. 4 rebar ( 1/2") grade 60 steel per astm a615; connected with tie wire. • rebar to be 2.5" from face of concrete. • rebar spacing 12" grid, 4" spacing around access openings. • all penetrations to be sleeved or have slip connections. • minimum 18" from top of slab to top ...

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  • Earthquake Mitigation for a Slab-on-grade Wood Frame House

    Earthquake Mitigation for a Slab-on-grade Wood Frame House: Wood frame construction is common in North America, and is quite resistant to earthquake damage. However, the house must be bolted to the foundations to resist sideways forces during an earthquake. Slab .

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  • Final Concrete Density | How much does your concrete weigh ...

    The density of the concrete used to pour the box was measured at 141 pounds per cubic foot. The reinforcing steel schedule shows that eighty (80) feet of #3 rebar and sixty-five (65) feet of #4 rebar will be used. Referring to Chart 1 the weight per foot of rebar can be found. The accepted density of rebar is 490 pounds per cubic foot.

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  • Concrete Driveway Cost - The Concrete Network

    A plain gray concrete driveway costs between $3 and $7 per square foot, while the cost of a decorative concrete driveway can range from $8 to more than $18 per square foot depending upon the design and coloring effects desired.

    How Much Does a Pre-engineered Metal Building Cost ...

    How Much Does a Pre-engineered Metal Building Cost? Font Size. A A A. April 4, 2013. In General Information, Steel Building Costs. ... Total: $16.50-$18.50 per sq. ft. to get in the dry on a concrete slab (These estimates based on pricing as of April 2013.) Order a RHINO Metal Building Today.

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  • Why Flooring Professionals Must Test For Moisture And ...

    The calcium chloride test, long considered the standard for testing concrete moisture vapor emissions, has been in use since the 1940s. This test produces a moisture vapor emissions rate (MVER), which is a reading of how much moisture content is released from 1000 square feet of concrete slab .

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  • Water Vapor in Concrete Slabs - The Concrete Network

    When you read in a sealer data sheet that the MVER needs to be 3 pounds or 5 pounds, what that means is the number of pounds of water vapor per 1000 square feet per 24 hours. Envision a 31.6 x 31.6 foot section of concrete (1000 square feet) and imagine .

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  • Calculate Rebar Spacing, Layout and Weight in a Concrete ...

    Tell a Friend about this site! Create PDF to print diagrams on this page. Help & Settings Printing Help (new window) Copy all diagrams on this page to bottom of page - .

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  • Reinforced Concrete Slab Design and Detailing Guide IS456 ...

    Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for one-way and two-way slabs as per IS 456:2000 have been tried to present here.

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