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A soil profile consisting of three layers is shown in Table and Figure below i. Calculate the values of σ, u and σʹ at points A, B, C, and D.     ii. Calculate the effective stress at c when water table drops by 1 m (consider γb= 15.5 for layer 2).   iii. Calculate the effective stress at c when water table rises by 1 m above layer 1 due to flooding. (consider γsat= 16.5 for layer 1). Layer no. Thickness Soil parameters 1 H1 = 3.5 m γd = 15.5 kN/m3 2 H2 = 2.5 m γsat = 18 kN/m3 3 H3 = 3 m γsat = 18.5 kN/m3

A soil profile consisting of three layers is shown in Table and Figure below i. Calculate the values of σ, u and σʹ at points A, B, C, and D.     ii. Calculate the effective stress at c when water table drops by 1 m (consider γb= 15.5 for layer 2).   iii. Calculate the effective stress at c when water table rises by 1 m above layer 1 due to flooding. (consider γsat= 16.5 for layer 1). Layer no. Thickness Soil parameters 1 H1 = 3.5 m γd = 15.5 kN/m3 2 H2 = 2.5 m γsat = 18 kN/m3 3 H3 = 3 m γsat = 18.5 kN/m3

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A soil profile consisting of three layers is shown in Table and Figure below

i. Calculate the values of σ, u and σʹ at points A, B, C, and D.

    ii. Calculate the effective stress at c when water table drops by 1 m (consider γb= 15.5 for layer 2).

  iii. Calculate the effective stress at c when water table rises by 1 m above layer 1 due to flooding. (consider γsat= 16.5 for layer 1).

Layer no.

Thickness

Soil parameters

1

H1 = 3.5 m

γd = 15.5 kN/m3

2

H2 = 2.5 m

γsat = 18 kN/m3

3

H3 = 3 m

γsat = 18.5 kN/m3

 

A Layer I Groundwater table Layer 2 H3 Layer 3 D' Dry sand Sand Clay Rock
Transcribed Image Text:A Layer I Groundwater table Layer 2 H3 Layer 3 D' Dry sand Sand Clay Rock
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