Civil Engineering MCQJE Level Civil Engineering
Terzaghi''s bearing capacity equation for a strip footing on c-φ soil gives ultimate bearing capacity as:
Soil MechanicsSoil MechanicsMEDIUM
Choose the correct answer
A
qult = c·Nc only
B
qult = c·Nc + q·Nq + 0.5γBNγ
C
qult = q·Nq only
D
qult = γ·B·Nγ/2
Correct Answer
B. qult = c·Nc + q·Nq + 0.5γBNγ
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qult = c·Nc + q·Nq + 0.5·γ·B·Nγ where c = cohesion, q = overburden pressure (γDf), B = footing width, Nq/Nc/Nγ = bearing capacity factors (functions of φ). For pure clay (φ=0): qult = 5.14c + γDf (Skempton). For sand (c=0): qult = q·Nq + 0.5γBNγ.
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