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A 3m deep sand layer has a specific gravity of 2.68 and a void ratio of 0.60. Under this layer is a 2.5m deep clay profile with a specific gravity of 2.7 and a moisture content of 30%. The water table is observed at 1m below the ground surface. Determine the settlement (in mm) of a normally consolidated clay after che surcharge of 75kPa. Clay is observed to have a void ratio of 0.40 after the surcharge. (Assume unit weight of soll profile above the clay layer is the same when the soil was not subjected to surcharge load).

A 3m deep sand layer has a specific gravity of 2.68 and a void ratio of 0.60. Under this layer is a 2.5m deep clay profile with a specific gravity of 2.7 and a moisture content of 30%. The water table is observed at 1m below the ground surface. Determine the settlement (in mm) of a normally consolidated clay after che surcharge of 75kPa. Clay is observed to have a void ratio of 0.40 after the surcharge. (Assume unit weight of soll profile above the clay layer is the same when the soil was not subjected to surcharge load).

Principles of Foundation Engineering (MindTap Course List)
Principles of Foundation Engineering (MindTap Course List)
9th Edition
ISBN:9781337705028
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Braja M. Das, Nagaratnam Sivakugan
Chapter2: Geotechnical Properties Of Soil
Section: Chapter Questions
Problem 2.12P
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A 3m deep sand layer has a specific gravity of 2.68 and a void ratio of 0.60. Under this layer is a 2.5m deep clay profile with a specific gravity of 2.7 and a moisture content of 30%. The water table is observed at 1m below the ground surface. Determine the settlement (in mm) of a normally consolidated clay after the surcharge of 75kPa. Clay is observed to have a void ratio of 0.40 after the surcharge. (Assume unit weight of soll profile above the clay layer is the same when the soil was not subjected to surcharge load).
Transcribed Image Text:A 3m deep sand layer has a specific gravity of 2.68 and a void ratio of 0.60. Under this layer is a 2.5m deep clay profile with a specific gravity of 2.7 and a moisture content of 30%. The water table is observed at 1m below the ground surface. Determine the settlement (in mm) of a normally consolidated clay after the surcharge of 75kPa. Clay is observed to have a void ratio of 0.40 after the surcharge. (Assume unit weight of soll profile above the clay layer is the same when the soil was not subjected to surcharge load).
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