Weight of reinforced concrete per cubic foot | weight of reinforced concrete per square foot | weight of reinforced concrete per square metre.
Generally concrete structure is made by mixture of cement, sand, gravel and water in required proportion to achieve their targeted compressive strength, it is good in compression but weak in tension, for increasing the tensile strength of concrete the reinforcement bar embedded in it, if tensile strength of concrete is reinforced or enhance by providing steel that is known as reinforced cement concrete.
Rebar is short form of reinforcing bar or Steel reinforcement, it is steel bar or Steel reinforcement provided as tension bar, used in reinforced concrete structure like footing, foundation, column, beam and slab of house construction and it also used in reinforced masonry structure like retaining wall and load bearing wall. It is used to increase the tensile strength of concrete structure.
As we know that different countries in the world have their own gradation, specification of Steel and record of measurement for reinforcing bar. First remember that rebar is measured differentially in United States and Europe. while the United states, it uses the US customary measurement system. In United Kingdom measurement based on Imperial and metric system and most of rest of world uses the metric system.
Weight of reinforced concrete depending on their density, density varies with grade of concrete used, their quantity and proportion of ingredients like cement, sand and gravel, their mix ratio, quantity and percentage of Steel bar or reinforcement bar used and grade of reinforcement bar using in concrete structure.
Weight of reinforced concrete measured in various units like kg/m3, lb/yd3, lb/in3, g/cm3, kN/m3, or lb/ft3, but in this article i illustrate about weight of reinforced concrete per cubic foot | weight of reinforced concrete per square foot | weight of reinforced concrete per square metre.
Weight of reinforced concrete per cubic foot
Typically, reinforced cement concrete weight around 2500kg per cubic metre, 4215 pounds per cubic yard, 156 Pounds per cubic foot, or 0.09 pounds per cubic inch, 2.5g/cm3, 25kN/m3, 71kg/ft3, which is approximately equal as 2.5 tonnes per cubic metre.
Regarding this, what is the weight of reinforced concrete per cubic foot, taking fair estimate for constructing a reinforced cement concrete for residential, commercial and industrial construction, generally 1 cubic foot of reinforced cement concrete weight around 156lb or 0.078 tons which is equivalent to 71 kg in metric system.
Generally thickness of reinforced cement concrete for slab is 100mm and its density about 2500kg/m3, regarding this, weight of reinforced concrete per square metre, volume of 100mm thick slab = 1m2 × 0.1m = 0.1m3, weight of reinforced concrete slab = 0.1m3 × 2500kg/m3 = 250kg, so, for 100mm thick slab, weight of reinforced concrete is about 250kg or 551lb per square metre, for 125mm thick slab, it will be 690 pounds or 313kgs per square meter and for 150mm thick slab, it will be 827 pounds or 375kgs per square metre.
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Generally thickness of reinforced cement concrete for slab is 4 inch or 0.33 feet and its density about 156lb/ft3, regarding this, weight of reinforced concrete per square foot, volume of 0.33 feet thick slab = 1ft2 × 0.33ft = 0.33 ft3, weight of reinforced concrete slab = 0.33 ft3 × 156lb/ft3 = 52lb, so, for 4 inch thick slab, weight of reinforced concrete is about 52 pounds or 23.6kgs per square foot, for 5 inch thick slab, it will be 65 pounds or 29.5kgs per square foot and for 6 inch thick slab, it will be 78 pounds or 35.4kgs per square foot.