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The soil profile at a site consists of 2 m of sand at the ground level, underlain by 6 m

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The soil profile at a site consists of 2 m of sand at the ground level, underlain by 6 m of clay, followed by a very stiff clay stratum that can be assumed to be impervious and incompressible. The water table is at 1.5 m below the ground level. The moist and saturated unit weights of the sand are 17.0 kN/m3 and 18.5 kN/m3, respectively. The clay has an initial void ratio of 0.810, saturated unit weight of 19.0 kN/m3, and coefficient of consolidation of 0.0014 cm2/s.

a. When the ground is surcharged with 3 m high compacted fill with moist unit weight of 19.0 kN/m3, the settlement was 160 mm in the first year. What would be the consolidation settlement in the first two years?

b. If the clay is normally consolidated, what is the compression index of the clay?

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Given Firstly the soil profile is as above But then a soil surcharge of 3m of soil is placed above the sand The settlement of soil is calculated as th…View the full answer


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Principles Of Foundation Engineering

Principles Of Foundation Engineering

ISBN: 9781337705028

9th Edition

Authors: Braja M. Das, Nagaratnam Sivakugan

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Chapter # 2
Section: Problems
Problem: 15
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Question Posted: August 12, 2020 02:30:59
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