A 10 m depth of sand overlies an § m layer of clay, below which is a further depth of sand. For the clay, m, = 0.83 m?/MN and cv = 4.4 m/year, The water table is at surface level but is to be lowered permanently by 4 m, the initial lowering taking place over a period of 40 weeks. Calculate the final settlement due to consolidation of the clay, assuming no change in the weight of the sand. and the settlement two years afte the start of lowering. Q2: A 10 m depth of sand overlies an 8 m layer of clay, below which is a furtherdepth of sand. For the clay, m, = 0.83 m/MN and cv = 4.4 m/year. The watertable is at surface level but is to be lowered permanently by 4 m, the initiallowering taking place over a period of 40 weeks.Calculate the final settlement due to consolidation of the clay, assuming no changein the weight of the sand, and the settlement two years after the start of lowering.

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Answered: A 10 m depth of sand overlies an § m…

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter16: Soil Improvement And Ground Modification

Section: Chapter Questions

Problem 16.8P

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A 10 m depth of sand overlies an § m layer of clay, below which is a further depth of sand. For the clay, m, = 0.83 m?/MN and cv = 4.4 m/year, The water table is at surface level but is to be lowered permanently by 4 m, the initial lowering taking place over a period of 40 weeks. Calculate the final settlement due to consolidation of the clay, assuming no change in the weight of the sand. and the settlement two years afte the start of lowering.

Q2: A 10 m depth of sand overlies an 8 m layer of clay, below which is a further
depth of sand. For the clay, m, = 0.83 m/MN and cv = 4.4 m/year. The water
table is at surface level but is to be lowered permanently by 4 m, the initial
lowering taking place over a period of 40 weeks.
Calculate the final settlement due to consolidation of the clay, assuming no change
in the weight of the sand, and the settlement two years after the start of lowering.

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