A certain compressible layer has a thickness of 4 m. After 1 year when the clay is 50% consolidated, 7.5 cm of settlement has occurred. For similar clay and loading conditions, how much settlement would occur at the end of 1 year and 4 years, if the thickness of this new layer BOOSS were 6.5?

A certain compressible layer has a thickness of 4 m. After 1 year when the clay is 50% consolidated, 7.5 cm of settlement has occurred. For similar clay and loading conditions, how much settlement would occur at the end of 1 year and 4 years, if the thickness of this new layer BOOSS were 6.5?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter12: Shear Strength Of Soil

Section: Chapter Questions

Problem 12.20P

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Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

A certain compressible layer has a thickness of 4 m. After 1 year when the clay is 50%
consolidated, 7.5 cm of settlement has occurred. For similar clay and loading conditions, how
much settlement would occur at the end of 1 year and 4 years, if the thickness of this new layer
were 6.5?

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