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Question

The permissible settlement of an isolated foundation on a granular soil is 40 mm. A plate load test is performed with 300 mm square plate undergoing a settlement of 20 mm under the same load intensity. The ultimate bearing capacity of soil with plate is 25t/m2. The ultimate bearing capacity of soil for foundation will be t/m2


  1. 60.42

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Solution

The correct option is A 60.42
SfSF=(BfBp×Bp+0.3Bf+0.3)2
4020=(Bf0.3×0.3+0.3Bf+0.3)2
Bf=0.7243m752mm
Now, quf=qup(BfBp)=25×725300=60.42t/m2

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