Question

Asked Dec 7, 2019

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A rectangular footing, with a plan area of

1-4mx2·0m is to be placed 2m below the ground

surface. The footing would be subjected to a load

inclined at 10° to the vertical. The subsoil is clayey,

sandy silt with saturated unit weight of 18 kN /m3, and

c' = 10kN/m2 and cp' = 30°. Assuming the rate of

loading is such that drained condition prevailed,

compute the magnitude of load carrying capacity of

the footing if. the water table is at the base of the

footing. Use IS: 6403-1981 recommendation and

assume factor of safety= 3·0.

Step 1

Given Information:

Step 2

Type of failure:

Since ϕ = 30^{o} (local shear failure will occur)

Step 3

Formula used for calculation of u...

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