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GATE 2019 Soil Mechanics Quiz 7
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Question 1
Root time method is used to determine
Question 2
The e–lop p curve shown in the figure is representative of
Question 3
The following data are given for the laboratory sample.
If thickness of the clay specimen is 25 mm, the value of coefficient of volume compressibility is _______ × 10–4 m2/kN
If thickness of the clay specimen is 25 mm, the value of coefficient of volume compressibility is _______ × 10–4 m2/kN
Question 4
As long as the degree of consolidation (U) does not exceed 60%, its value after a time t, is determined by the equation
Question 5
A saturated clay stratum draining both at the top and bottom undergoes 50 percent consolidation in 16 years under an applied load. If an additional drainage layer were present at the middle of the clay stratum, 50 percent consolidation would occur in
Question 6
A layer of normally consolidated, saturated silty clay of 1 m thickness is subjected to one dimensional consolidation under a pressure increment of 20 kPa. The properties of the soil are: specific gravity = 2.7, natural moisture content = 45%, compression index = 0.45, and recompression index = 0.05. The initial average effective stress within the layer is 100 kPa. Assuming Terzaghi’s theory to be applicable, the primary consolidation settlement (rounded off to the nearest mm) is
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Jan 9ESE & GATE CE
