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Foundation engineering miscellaneous

Foundation Engineering

  1. Net ultimate bearing capacity of a footing embedded in a clay stratum
    1. increases with depth of footing only
    2. increases with size of footing only
    3. increases with depth and size of footing
    4. is independent of depth and size of footing
Correct Option: D

qu = CNc + 8DNq + 0.5 BγNγ
For clay, Φ = 0 (pure cohesive)
⇒ Nq = 1, Nγ = 0
⇒ Qu = CNc + γD
∴ Qun = qu – γD
∴ = CNC + γD – γD = CNc



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