Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Question
Chapter 15, Problem 15.11P
To determine
Find the factors of safety with respect to overturning and sliding.
Check whether the eccentricity is within the limit.
Find the soil pressures at the toe and the heel.
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The cross section of a proposed concrete retaining wall is shown in Figure 4. The unit weight of the concrete being 24kN/m3. The soil carries a uniformly distributed load of 40kN/m2 at the top. Given c=0, f=32°, gsoil=17.5kN/m3 and µ=0.5.
From the data:
Check the stability of the retaining wall against sliding and overturning
Determine the maximum and minimum pressure under the retaining wall.
For the dam retaining water as shown, find (A) the factor of safety against sliding if µ=0.48,
(B) the factor of safety against overturning and (C) the stress intensity at the base of the
dam. The foundation soil is permeable; assume hydrostatic uplift varies from full
hydrostatic head at the heel of the dam to zero at the toe. Use unit weight of concrete
equal to 23.5kN/m?.
3 m
4 m
8 m
3 m
to
W.S
12 m
14 m
3 m
3 m
O O
1. Determine the force F per metre width (into the page) of the rectangular prismatic
concrete block shown on the figure below, that would lead to sliding of the block. The
water depth is 10m and the unit weight of concrete is 24 kN/m³.
10m
5m
2.5m
Sand sea bed, d=p²=35°
Chapter 15 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Ch. 15 - Prob. 15.1PCh. 15 - Prob. 15.2PCh. 15 - Prob. 15.3PCh. 15 - Prob. 15.4PCh. 15 - Prob. 15.5PCh. 15 - Prob. 15.6PCh. 15 - Prob. 15.7PCh. 15 - Prob. 15.8PCh. 15 - Prob. 15.9PCh. 15 - Prob. 15.10P
Ch. 15 - Prob. 15.11PCh. 15 - Prob. 15.12PCh. 15 - Prob. 15.13PCh. 15 - Prob. 15.14PCh. 15 - Prob. 15.15PCh. 15 - Refer to the braced cut in Figure 15.50, for which...Ch. 15 - For the braced cut described in Problem 15.16,...Ch. 15 - Refer to Figure 15.51 in which = 17.5 kN/m3, c =...Ch. 15 - Refer to Figure 15.27a. For the braced cut, H = 6...Ch. 15 - Prob. 15.20PCh. 15 - Determine the factor of safety against bottom...Ch. 15 - Prob. 15.22PCh. 15 - The water table at a site is at 5 m below the...Ch. 15 - Prob. 15.24PCh. 15 - Prob. 15.25CTPCh. 15 - Figure 15.53 below shows a cantilever sheet pile...
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