Q3 Marks 10 a) For a direct shear test on a dry sand, the following are given: Specimen size: 75 mm x 75 mm x 30 mm (hei

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Q3 Marks 10 A For A Direct Shear Test On A Dry Sand The Following Are Given Specimen Size 75 Mm X 75 Mm X 30 Mm Hei 1 (19.21 KiB) Viewed 30 times

Q3 Marks 10 a) For a direct shear test on a dry sand, the following are given: Specimen size: 75 mm x 75 mm x 30 mm (height) - Normal stress at failure: 200 kPa -Shear stress at failure: 175 kPa For a normal stress of 150 kPa, what shear force is required to cause failure in this specimen? b) For a normally consolidated clay, given o = 20 and 6' =289If a CU triaxial test is conducted with the same soil with the all-around confining pressure of 140 kPa. What would be the pore water pressure at failure? Total Marks 10 20