A column is supported on a footing as shown in the figure below. The water table is at a depth of 10 m below the base of the footing.
The net ultimate bearing capacity (kN/m2) of the footing based on Terzaghi's bearing capacity equation is
A
216
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B
432
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C
630
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D
876
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Solution
The correct option is C 630 Size of footing,
=1.5 m × 3 m
Depth of footing, Df = 1 m γ = 18 kN/ m3 Nq = 24
C = 0
Water table is at a depth of 10 m (>1.5m) below the base of footing so it will not affect the bearing capacity.
Net ultimate bearing capacity for rectangular footing