Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Textbook Question
Chapter 10, Problem 10.11P
Refer to Figure 10.42. Due to application of line loads q1 and q2, the vertical stress increase at point A is 58 kN/m2. Determine the magnitude of q2.
Figure 10.42
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refer to the figure due to application of line load q1 and q2 . the vertical stress increase at point a is 42 kn/m2 determine the magnitude of q
Refer to Figure attached, Due to the application of line loads q1 and q2, the
vertical stress increase, A oz , at A is 30 kN/m2 . Determine the magnitude of q2
91 = 250 kN/m
92
- 3m -
2 m -
2 m
4. The bar shown in Figure 2 has a constant width of 35 mm and a thickness of 1o
mm. Determine the maximum average normal stress in the bar when it is
subjected to the loading shown.
B 9 kN
C 4 kN
D
12 kN
22 kN
9 kN
4 kN
35 mm
FIGURE 2
Chapter 10 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
Ch. 10 - Prob. 10.1PCh. 10 - Prob. 10.2PCh. 10 - Prob. 10.3PCh. 10 - Prob. 10.4PCh. 10 - Prob. 10.5PCh. 10 - Prob. 10.6PCh. 10 - Point loads of magnitude 125, 250, and 500 kN act...Ch. 10 - Refer to Figure 10.41. Determine the vertical...Ch. 10 - For the same line loads given in Problem 10.8,...Ch. 10 - Refer to Figure 10.41. Given: q2 = 3800 lb/ft, x1...
Ch. 10 - Refer to Figure 10.42. Due to application of line...Ch. 10 - Refer to Figure 10.43. A strip load of q = 1450...Ch. 10 - Repeat Problem 10.12 for q = 700 kN/m2, B = 8 m,...Ch. 10 - Prob. 10.14PCh. 10 - For the embankment shown in Figure 10.45,...Ch. 10 - Refer to Figure 10.46. A flexible circular area of...Ch. 10 - Refer to Figure 10.47. A flexible rectangular area...Ch. 10 - Refer to the flexible loaded rectangular area...Ch. 10 - Prob. 10.19PCh. 10 - Prob. 10.20PCh. 10 - Refer to Figure 10.48. If R = 4 m and hw = height...Ch. 10 - Refer to Figure 10.49. For the linearly increasing...Ch. 10 - EB and FG are two planes inside a soil element...Ch. 10 - A soil element beneath a pave ment experiences...
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- Repeat Problem 10.12 for q = 700 kN/m2, B = 8 m, and z = 4 m. In this case, point A is located below the centerline under the strip load. 10.12 Refer to Figure 10.43. A strip load of q = 1450 lb/ft2 is applied over a width with B = 48 ft. Determine the increase in vertical stress at point A located z = 21 ft below the surface. Given x = 28.8 ft. Figure 10.43arrow_forwardRefer to Figure 8.24. Determine the vertical stress increase, , 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 loadsarrow_forwardRefer to Figure 8.27. The flexible area is uniformly loaded. Given: q = 300 kN/m2. Determine the vertical stress increase at point A located at depth 3 m below point A (shown in the plan). FIG. 8.27arrow_forward
- Refer to Figure 10.48. If R = 4 m and hw = height of water = 5 m, determine the vertical stress increases 2 m below the loaded area at radial distances where r = 0, 2, 4, 6, and 8 m. Circular contact area of radius R on the ground surface Figure 10.48arrow_forwardRefer to Figure 10.46. A flexible circular area of radius 6 m is uniformly loaded. Given: q = 565 kN/m2. Using Newmarks chart, determine the increase in vertical stress, z, at point A. Figure 10.46arrow_forwardUse Eq. (6.14) to determine the stress increase () at z = 10 ft below the center of the area described in Problem 6.5. 6.5 Refer to Figure 6.6, which shows a flexible rectangular area. Given: B1 = 4 ft, B2 = 6 ft, L1, = 8 ft, and L2 = 10 ft. If the area is subjected to a uniform load of 3000 lb/ft2, determine the stress increase at a depth of 10 ft located immediately below point O. Figure 6.6 Stress below any point of a loaded flexible rectangular areaarrow_forward
- 2. (10 pts) Refer to Figure 1. Due to application of line load q₁, the vertical stress increase at point A is 30 kN/m². Determine the magnitude of q1. PIEN 91 45° Figure 1 3 m A Aσ₂ 3 marrow_forward10.11 Refer to Figure 10.41. Due to application of line loads q, and q2, the vertical stress increase at point A is 42 kN/m². Determine the magnitude of q2. 91 = 292 kN/m 92 450 4.5 m 3 m- 3 m Figure 10.41 © Cengage Learning 2014arrow_forwardProblem 3 [20 points] 2.0 ft 1.0 ft. 6.0 ft y = 104 lb/ft³ a. Calculate the vertical effective stress at the point A in lb/ft² as shown in the figure. [15 points] b. Calculate the horizontal effective stress (x or y direction). [5 points] y= 108 lb/ft³ 5.0 ft y=112 lb/ft³ K=0.68 v=0.45 Not Sharearrow_forward
- Refer to Fig 14. Determine the vertical stress increase, ∆?? , at point for B =3 m, q =60kN/m2, x =1.5 m, and z = 3 m.arrow_forwardRefer to the figure below. Given: q1 = 100kN/m, q2 = 200 kN/m X1 = 3m, x2 = 3m, z = 3m Determine the vertical stress increase at point A. (11.46) Line load = 4, Line load = q, x1 Aarrow_forwardRefer to Figure 6.6, which shows a flexible rectangular area. Given: B1 = 4 ft, B2 = 6 ft, L1 = 8 ft, and L2 = 10 ft. If the area is subjected to a uniform load of 3000 lb/ft2, determine the stress increase at a depth of 10 ft located immediately below point O.arrow_forward
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