How much steel required for 2000 sq ft slab

How much steel required for 2000 sq ft slab at 4″ & 5″ thickness? The amount of steel required for a concrete slab depends on various factors, including the dimensions, thickness, and the type of load it needs to support. To estimate the amount of steel required, you’ll need to calculate the steel reinforcement in terms of weight (usually in kilograms or pounds) per square foot.

Typically, for residential construction, you might use #4 (1/2 inch) or #5 (5/8 inch) rebar spaced at 12 inches on center for a 4-inch thick slab and closer spacing for a 5-inch thick slab.

Rebar is short form of reinforcing bar, it is steel bar or Steel wire provided as tension bar, used in reinforced concrete structure like column, beam and slab of house construction and it also used in reinforced masonry structure. It is used to increase the strength of concrete structure.

Actual Steel calculation is based on as per design but if design is not given then Steel calculation is based on Thumb Rule on experience basis.

In roof slab reinforcement we provide there is a two types of Steel bar used main bar and cross bar.

1) Main bar:- main bar is also called as shortest span bar usually used at bottom of slab having spacing 4 inch between the two bar. Main bar is also called tension Steel because it is provided in tension zone of roof slab in bottom having tensile strength of steel is enough yield strength and ultimate tensile strength.

We should use higher tensile steel in main bar Fe550D. sufficient amount of main bar used in shorter direction having 10 mm or 12 mm dia of Steel bar according to roof slab reinforcement.

2) Cross bar:- cross bar is also called as longer span bar or distribution bar or cross bar mainly used at top of the main bar in compression zone of slab, cross bar usually dia of 8mm or 10 mm bar Steel bar used in longer direction according to roof slab reinforcement.

Actual Steel calculation is based on as per design but if design is not given then Steel calculation is based on Thumb Rule on experience basis. In this article you know about how much steel required for 2000sq ft slab at 4″ & 5″ thickness

How much steel required for 2000 sq ft slab at 4″ & 5″ thickness

According to Indian standard rcc concrete roof slab thickness in residential building construction is 4 inches (100mm). Use of 5″ to 6″ (125mm to 150mm) is recommended if the concrete will receive occasional heavy loads.

Thumb Rule for Steel in RCC slab :-
Generally Thumb Rule for Steel in RCC slab construction is ranging between between 80 kg to 90 kg per cubic metre per wet volume of concrete of RCC slab.

How to calculate steel required for 2000 square feet slab

1. Convert thickness in feet
2. Calculate wet volume of concrete = square footage × thickness in feet
3. Convert cubic feet into cubic metres
4. Taking steel quantity 80 kg to 90 kg per cubic meter volume of concrete

Assuming it a normal residential building with light loading conditions, thickness of slab will be 4 inch thick. For example if your plan area = 50 × 40 = 2000 sq ft, so for the plan area of 2000 sq ft total volume of concrete required = 2000×0.33 ÷ 35.3147 = 18.50 m3, as per thumb rule 80 kg to 90 kg of steel are required per cubic meter volume of concrete, so as 80 kg × 18.50 = 1480 kg or 90 kg × 18.50 = 1660 kg, thus, you will need 1480 kg to 1660 kg of steel required for 2000 sq ft of rcc roof slab at 4 inch thickness.

The amount of steel required for a concrete slab depends on various factors, including the thickness of the slab, the intended use of the slab, and the structural requirements.

How much steel required for 2000 sq ft slab 4″ thickness?

Steel required for 2000 sq ft RCC roof slab at 4 inch thickness. Multiply area and thickness to calculate wet volume of concrete. Volume of 2000 sq ft of RCC slab at 4 inches thick in m3 = (2000 × 4/12) ÷ 35.32 = 18.88 m3.

At 4″ thickness, the total quantity of steel required for 2000 sq ft (18.88 cubic meters) RCC roof slab is equal to = 80 × 18.88 = 1510 kg. This means, 1510 kg of steel is needed per 2000 sq ft of 4-inch thick RCC roof slab.

How much steel required for 2000 sq ft slab 5″ thickness?

Steel required for 2000 sq ft RCC roof slab at 5 inch thickness. Multiply area and thickness to calculate wet volume of concrete. Volume of 2000 sq ft of RCC slab at 5 inches thick in m3 = (2000 × 5/12) ÷ 35.32 = 23.59 m3.

At 5″ thickness, the total quantity of steel required for 2000 sq ft (23.59 cubic meters) RCC roof slab is equal to = 80 × 23.59 = 1888 kg. This means, 1888 kg of steel is needed per 2000 sq ft of 5-inch thick RCC roof slab.

How much steel required for 2000 sq ft slab 6″ thickness?

Steel required for 2000 sq ft RCC roof slab at 6 inch thickness. Multiply area and thickness to calculate wet volume of concrete. Volume of 2000 sq ft of RCC slab at 6 inches thick in m3 = (2000 × 6/12) ÷ 35.32 = 28.31 m3.

At 6″ thickness, the total quantity of steel required for 2000 sq ft (28.31 cubic meters) RCC roof slab is equal to = 80 × 28.31 = 2265 kg. This means, 2265 kg of steel is needed per 2000 sq ft of 6-inch thick RCC roof slab.

2D and 3D Ghar ka Naksha banane ke liye sampark kare
2D and 3D Ghar ka Naksha banane ke liye sampark kare

Conclusions:-
As per thumb rules and generals guide line, for a 2000 sq ft rcc roof slab at 4 inch thickness, generally you will need 1480 kg to 1660 kg of steel quantity. Thus 1480 kg to 1660 kg of steel quantity are required for 2000 square feet slab at 4″ thickness of normal residential building with light loading conditions.

For office, school building, steel may increase marginally due to live load condition,thickness of slab will be 5 inch thick, so for the plan area of 2000 sq ft total volume of concrete required = 2000× 0.416 ÷ 35.3147 = 23.50 m3, as per thumb rule 80 kg to 90 kg of steel are required per cubic meter volume of concrete, so as 80 kg × 23.50 = 1880 kg or 90 kg × 23.50 = 2120 kg, thus, you will need 1880 kg to 2120 kg of steel required for 2000 sq ft of rcc roof slab at 5 inch thickness.

Conclusions:-
As per thumb rules and generals guide line, for a 2000 sq ft rcc roof slab at 5 inch thickness, generally you will need 1880 kg to 2120 kg of steel quantity. Thus 1880 kg to 2120 kg of steel quantity are required for 2000 square feet slab at 5″ thickness of normal commercial building, office, school building. Steel may increase marginally due to live load condition.

For office, school building, steel may increase marginally due to live load condition. For multistorey buildings, steel will increase further. With increase in span and load, thickness of slab will also increase.

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But as a thumb rule, for normal slab, it is 80–90kg per cubic metre volume. More simple formula for residential flat, steel required in kg = area of slab in sft. This will give maximum limit. You can take 85% of it for normal residential building with 3 meter span.

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Final conclusions:-
As per thumb rules and generals guide line, for a 2000 sq ft rcc roof slab at 4 inch thickness, generally you will need 1480kg to 1660 kg of steel quantity and at 5 inch thickness of slab, 1880 kg to 2120 kg of steel quantity are required.