The coordinates of two points on the virgin compression line are as below : o₁ = 400 kPa, e₁ = 0.8; o₂ = 800 kPa, e₂ = 0.75 In the field, a 3 m thick normally consolidated layer of this soil subjected to construction load and the average effective vertical stress increased from 250 kPa to 450 kPa. Determine : (i) the compression index and initial void ratio of the clay layer, (ii) the consolidation settlement of the layer, and

Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
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Chapter12: Shear Strength Of Soil
Section: Chapter Questions
Problem 12.20P
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The coordinates of two points on the virgin compression line
are as below :
o₁ = 400 kPa, e₁ = 0.8; o₂ = 800 kPa, e₂ = 0.75
In the field, a 3 m thick normally consolidated layer of this
soil subjected to construction load and the average effective
vertical stress increased from 250 kPa to 450 kPa. Determine :
(i) the compression index and initial void ratio of the clay
layer,
(ii) the consolidation settlement of the layer, and
Transcribed Image Text:The coordinates of two points on the virgin compression line are as below : o₁ = 400 kPa, e₁ = 0.8; o₂ = 800 kPa, e₂ = 0.75 In the field, a 3 m thick normally consolidated layer of this soil subjected to construction load and the average effective vertical stress increased from 250 kPa to 450 kPa. Determine : (i) the compression index and initial void ratio of the clay layer, (ii) the consolidation settlement of the layer, and
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