Q1.58 Samples of damp sand are tested in direct shear in which the procedure involves two separate tests, with different normal loads for each test. In test one, using a normal loading a compressive stress equal to 50 kPa is applied and the sample is failed at a shear stress equal to 33 kPa. For test two, the normal stress is 80 kPa and the sample shears at a stress of 51 kPa. Determine the angle of internal friction and the value of apparent cohesion for this sand.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Q1.58 Samples of damp sand are tested in direct shear in which the
procedure involves two separate tests, with different normal loads for each
test. In test one, using a normal loading a compressive stress equal to 50 kPa
is applied and the sample is failed at a shear stress equal to 33 kPa. For test
two, the normal stress is 80 kPa and the sample shears at a stress of 51 kPa.
Determine the angle of internal friction and the value of apparent cohesion for
this sand.
Transcribed Image Text:Q1.58 Samples of damp sand are tested in direct shear in which the procedure involves two separate tests, with different normal loads for each test. In test one, using a normal loading a compressive stress equal to 50 kPa is applied and the sample is failed at a shear stress equal to 33 kPa. For test two, the normal stress is 80 kPa and the sample shears at a stress of 51 kPa. Determine the angle of internal friction and the value of apparent cohesion for this sand.
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