Sub-surface exploration at the site of a proposed building reveals the existence of a 2.4-meter- thick layer of soft clay below a stratum of coarse sand which is 4 meters thick and extends from the ground surface up to top of the clay layer. The ground water table is at 2.5 meter below the ground surface. Laboratory tests indicate the natural water content of clay as 40%, average liquid test 45% and specific gravity 2.75. Also, the cay is proved to be normally consolidated. The unit weight of sand above and below the water table are respectively 17.8 KN/m³ and 21.0 KN/m³. Estimate the probable final settlement of the building, if its construction will increase the average vertical pressure on the clay layer is 71 KN/m³-
Sub-surface exploration at the site of a proposed building reveals the existence of a 2.4-meter- thick layer of soft clay below a stratum of coarse sand which is 4 meters thick and extends from the ground surface up to top of the clay layer. The ground water table is at 2.5 meter below the ground surface. Laboratory tests indicate the natural water content of clay as 40%, average liquid test 45% and specific gravity 2.75. Also, the cay is proved to be normally consolidated. The unit weight of sand above and below the water table are respectively 17.8 KN/m³ and 21.0 KN/m³. Estimate the probable final settlement of the building, if its construction will increase the average vertical pressure on the clay layer is 71 KN/m³-
Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Braja M. Das, Khaled Sobhan
Chapter11: Compressibility Of Soil
Section: Chapter Questions
Problem 11.12P
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