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GATE CE 2021: Soil Mechanics & Foundation Engineering#9 (App update required to attempt this test)

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Question 1

In a direct shear test, the shear stress and normal stress on a dry sand sample at failure are 0.5 kg/cm2 and 1.2 kg/cm2 respectively. The angle of internal friction of the sand will be nearly

Question 2

A soft saturated clayey soil tested unconfined gave an axial stress of 50 kN/m2at failure. The shear strength of the soil is:

Question 3

A soil sample of size 0.1m x 0.1m is subjected to the forces as shown in figure 3.1. Determine the major principal stress and minor principal stress.

Question 4

A cylindrical soil fails under an axial stress of 150 kN/m2 and it is laterally unconfined. The failure plane makes an angle 40 with the vertical. Calculate the value of cohesion (in kN/m2) of soil.

Question 5

A clear dry sand sample is tested in direct shear test. The normal stress and the shear stress at failure are both equal to 120 kN/m2. The angle of shearing resistance of the sand will be

Question 6

In an unconfined compression test a sample of clay 80 mm long and 40 mm in diameter fails under a load of 145 N at 10% strain. Calculate the shearing resistance (kN/m2).
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Sep 14ESE & GATE CE