How much compression of the clay layer would result if the ground water table were at the ground surface.
How much compression of the clay layer would result if the ground water table were at the ground surface.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A 2.40m layer of clay is buried beneath a 3m stratum of very compact granular soil. Compact sand underlies the clay. The layer of granular soil is composed of material having a unit weight of 20.46 kN/m3. The clay weighs 16.5 kN/m3. A laboratory compression test on a sample of the clay indicates a compression index of 0.40 and a natural void ratio of 1.30. A planned building loading will cause a 46.40KPa stress increase at the middle of the clay layer. How much compression of the clay layer would result if the ground water table were at the ground surface.
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