Answer :
The volume of fill material used in the construction of the foundation and column is equal to the volume of the soil layer at the base of the foundation minus the volume of the footing. Therefore, the volume of fill material used = (19.5 - 7.5) m³ = 12 m³.
Dimensions of footing = 3 x 5 x 0.5 m
Bottom level of foundation = -1.5 m
Level of natural ground subgrade = -0.20 m
Section of column = 0.4 x 0.8 m
The volume of fill material used in the construction of the footing and column has to be determined.
Calculation of volume of fill material used in the construction of footing and column
:Volume of footing = (length x width x height)
= (3 x 5 x 0.5) m³
= 7.5 m³
Volume of soil layer at the base of foundation = (length x width x depth)
= (3 x 5 x 1.3) m³
= 19.5 m³
Volume of fill material used in the construction of the foundation and column = (19.5 - 7.5) m³ = 12 m³
The volume of fill material used in the construction of the foundation and column is 12 m³.
The footing is the base part of the foundation of a column and helps to spread the load over a larger area so that the soil beneath the foundation does not become overstressed or compressed. The dimensions of the footing provided in the question are 3 x 5 x 0.5 m, which gives a volume of 7.5 m³.The bottom level of the foundation is given to be -1.5 m, and the level of the natural ground subgrade is given to be -0.20 m.
Therefore, the height of the soil layer at the base of the foundation = 1.5 - (-0.20) = 1.3 m.
The volume of this soil layer is (length x width x depth) = (3 x 5 x 1.3) m³ = 19.5 m³.
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