Question: Problem # 6 A . Following data are given for a direct shear test conducted on dry sand: Specimen size: 6 0 m m 6

Problem # 6
A.
Following data are given for a direct shear test conducted on dry sand:
Specimen size: 60mm60mm(height)25mm
Normal force: 470N
Shear force at failure: 320N
a- Find out the value of shear strength parameters.
b. Write down the Mohr-Coulomb failure equation.
B.
A sample of cohesive soil tested in unconfined compression machine gave cohesion (c)=68kNm2.
Write down Mohr-Coulomb failure equation.
What is the unconfined compressive strength of the soil?
Problem # 6 A . Following data are given for a

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