How to work the volume of concrete in a retaining wall
This construction video will provide some useful tips on computing the volume of concrete for retaining wall.
Retaining wall is defined as a rigid wall that is designed and constructed to withstand lateral pressure of liquid, earth filling, sand or other coarse materials which it is holding back.
Suppose, a retaining wall is segregated into two sections, section A is taken as base slab and section B is taken as the stem of retaining wall.
Therefore, the volume of retaining wall is determined with the following formula :-
Volume of retaining wall = Volume of base slab + Volume of Stem
Volume of base slab = length x breadth x height
= 10 x 3 x 0.2 (after converting 200 mm to meter) = 6m3
As the stem is a trapezoid, the following formula is used to calculate it?s volume :-
Volume of stem = [{a+b)/2} x h] x l
After putting the values, we get :-
= [{(0.5 + 0.2)/2} x 3] x 10 = 21m3
Therefore, total volume of retaining wall = 6 + 21 = 27m3
Therefore, the volume of concrete for the retaining wall = 27m3
If the retaining wall is segregated into three parts like part A, part B and part C. Part A is taken as the base slab, part B is taken as the stem and part C is taken as the counterfort of the retaining wall.
Therefore, the volume of retaining wall = Volume of base slab + volume of stem + volume of counterfort
= Volume of A + Volume of B + Volume of C
To learn the remaining calculation process, go through the following video tutorial.
