Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 8, Problem 8.20P
Refer to Figure 8.24. Determine the vertical stress increase, Δσ, at point A with the following values:
q1 = 100 kN/m x1 = 3 m z = 2 m
q2 = 200 kN/m x2 = 2 m
FIG. 8.24 Stress at a point due to two line loads
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Problem 6. [Concepts: Spatially varying average normal stress, and integration] The bar has a
cross-sectional area of 400(106) m². If it is subjected to a triangular axial distributed loading
along its length which is 0 at x = 0 and 9 kN/m at x = 1.5 m, and to two concentrated loads as
shown in the figure.
a) Determine the average normal stress in the bar as a function of x for 0
1. From the given figure below, determine the following:
a. Maximum shearing stress of the beam
b. Shearing stress 5 ft away from point A
c. Shearing stress 4 ft away from point B
Figure 1
18 kip / ft
14 in
10 kip / ft
A
8 in
20 ft
Constant thickness 2 inches
Consider a point in a structural member that is subjected to plane stress. Normal and shear stresses acting on horizontal and vertical
planes at the point are shown. If o = 18 ksi in the direction shown, determine the magnitude of the maximum in-plane shear stress at
%3D
the point.
15 ksi
4 ksi
11.2 ksi
15.5 ksi
13.6 ksi
18.6 ksi
17.3 ksi
O O O O O
Chapter 8 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Ch. 8 - Prob. 8.1PCh. 8 - Prob. 8.2PCh. 8 - Prob. 8.3PCh. 8 - Prob. 8.4PCh. 8 - Prob. 8.5PCh. 8 - Prob. 8.6PCh. 8 - Prob. 8.7PCh. 8 - Prob. 8.8PCh. 8 - Prob. 8.9PCh. 8 - The soil profile at a site consists of 10 m of...
Ch. 8 - Prob. 8.11PCh. 8 - Prob. 8.12PCh. 8 - Prob. 8.13PCh. 8 - Prob. 8.14PCh. 8 - A sand has Gs = 2.66. Calculate the hydraulic...Ch. 8 - Prob. 8.16PCh. 8 - A point load of 1000 kN is applied at the ground...Ch. 8 - Point loads of magnitude 9, 18, and 27 kN act at...Ch. 8 - Refer to Figure 8.13. The magnitude of the line...Ch. 8 - Refer to Figure 8.24. Determine the vertical...Ch. 8 - Consider a circularly loaded flexible area on the...Ch. 8 - A flexible circular footing of radius R carries a...Ch. 8 - The plan of a flexible rectangular loaded area is...Ch. 8 - Refer to Figure 8.26. The circular flexible area...Ch. 8 - Refer to Figure 8.27. The flexible area is...Ch. 8 - Prob. 8.26CTPCh. 8 - Prob. 8.27CTP
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