Civil Engineering MCQAE Level Civil Engineering
In a direct shear test, the drainage condition is most difficult to control because:
Soil MechanicsSoil Mechanics and Foundation EngineeringHARD
Choose the correct answer
A
the sample is always submerged
B
normal stress cannot be applied
C
shear stress cannot be measured
D
the failure plane is forced and drainage path is short but not uniform
Correct Answer
D. the failure plane is forced and drainage path is short but not uniform
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Direct shear predetermines the failure plane and drainage conditions are not as rigorously controlled as in triaxial testing.
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