Principles of Foundation Engineering (MindTap Course List)
8th Edition
ISBN: 9781305081550
Author: Braja M. Das
Publisher: Cengage Learning
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Chapter 5, Problem 5.10P
To determine
Find the gross ultimate bearing capacity of the clay.
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8.4 A rectangular foundation is shown in Figure P8.2, given B=2m, L=4m
q = 240 kN/m², H = 6m, and D; = 2 m.
(a) Assuming E = 3800KN/m², calculate the average elastic settlement. Use
Eq. (8.24).
(b) If the clay is normally consolidated, calculate the consolidation settlement.
Use Eq. (8.35) and y,t = 17.5 kN/m’, C, = 0.12, and e, = 1.1.
%3D
G.W.T.
D,=2 m
= 240 kN/m²
Clay
e. = .IO
H= 6 m
1.
Rock
Figure P8.2
S,(average) = µ,M0
qB
(v = 0.5)
E
(8.24)
(8.35)
Problem (4.10): The foundation plan shown in the figure below is subjected to a uniform contact
pressure of 40 kN/m². Determine the vertical stress increment due to the foundation load
at (5m) depth below the point (x).
→|1.5m + 1.5m
2m
3
0.5m
2m
+ 3m
3m 3m
8.4 A rectangular foundation is shown in Figure P8.2, given B= 2 m, L=4m
q=240 kN/m², H=6m, and D; =2 m.
(a) Assuming E = 3800KN/m², calculate the average elastic settlement. Use
Eq. (8.24).
(b) If the clay is normally consolidated, calculate the consolidation settlement.
Use Eq. (8.35) and yat = 17.5 kN/m², C¸ = 0.12, and e, = 1.1.
Chapter 5 Solutions
Principles of Foundation Engineering (MindTap Course List)
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