GATE Civil Engineering (CE) 2011 Solved Paper

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Question Numbers: 58-59
A sand layer found at a seafloor under 20 m depth is characterized with relative density = 40% maximum void ratio = 1.0, minimum void ratio = 0.5, and specific gravity of soil solids = 2.67. Assume the specific gravity of seawater to be 1.03 and the unit weight of freshwater to be 9.81 kN/m3
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Question : 58 of 65
 
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What would be the effective stress (rounded off to the nearest integer value of kPa) at 30 m depth into sand layer?
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