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MindTap Engineering for Das/Sobhan's Principles of Geotechnical Engineering, SI Edition, 9th Edition, [Instant Access], 1 term (6 months)
9th Edition
ISBN: 9781305971226
Author: Braja M. Das; Khaled Sobhan
Publisher: Cengage Learning US
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Chapter 11, Problem 11.10P
(a)
To determine
Calculate the primary consolidation settlement of the clay if the clay is normally consolidated.
(b)
To determine
Calculate the primary consolidation settlement of the clay if the preconsolidation pressure
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EXAMPLE 9.8
A soil profile is shown in Figure 9.24. Given: H₁
Plot the variation of o, u, and o' with depth.
H₁
H₂
B
Zone of capillary rise
G₁ = 2.66; e = 0.55
Degree of saturation = S = 50%
Sand
Saturated clay
= 2 m, H₂ = 1.8 m, H3 = 3.2 m.
Rock
G₁ = 2.66
e = 0.55
Sand
Groundwater table
w 42% (moisture content)
G₁ = 2.71
Clay
Subject Geotechnical engineering : soil mechanics
A layer soil shown has the following data
H1= 3m. K1= 2x10^-2 cm/sec
H2= 4m K2= 3.2x10^-2 cm/sec
H3= 6m K3= 4.1 x 10^ -2 cm/sec
Compute the equivalent coefficient of permeability in vertical direction.
Compute the velocity if h= 4m
Consider the soil profile shown in figure subjected to the uniformly distributed load, Delta sigma = 950 lb/ft^2, on the ground surface. Given: H_1 = 6 ft; H_2 =16 ft; and H_3 = 18ft. Soil characteristics are as follows: Sand: gamma_d = 114 Ib/ft^3, gamma_sat = 118 Ib/ft^3 Clay: gamma_sat = 117 Ib/ft^3; C_c = 0.24; e = 0.69; C_s = C_c/5 Estimate the primary' consolidation settlement in the clay if The clay is normally consolidated The preconsolidation pressure sigma'_c = 2300 Ib/ft^2
Chapter 11 Solutions
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