Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
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Question
Chapter 15, Problem 15.10P
To determine
Find the height
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Sand is placed on a rock slope, as shown in Figure Q2.
(a) Show that sand will be stable (i.e., no sliding sliding) if
The infinite sand slope shown in the figure is
on the verge of sliding failure. The ground
water table
coincides with the ground surface. Unit weight of
water Yw = 9.81 kN/m3.
%3D
KN/m
21:KN/m
5m
20°
The value of the effective angle of internal friction
(in degrees upto one decimal place) of the sand
is
Determine reaction at A and slope at A. Use double integration method, Consider 150 mm x 150 mm section and E = 200 GPa
a = 3.3 m, b = 26 kN/m, c = 20 kN.
Chapter 15 Solutions
Principles 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 - Prob. 15.16PCh. 15 - Prob. 15.17PCh. 15 - Prob. 15.18PCh. 15 - Prob. 15.19PCh. 15 - Prob. 15.20PCh. 15 - Prob. 15.21PCh. 15 - Prob. 15.22PCh. 15 - Prob. 15.23PCh. 15 - Prob. 15.27PCh. 15 - Prob. 15.28PCh. 15 - Prob. 15.29PCh. 15 - Prob. 15.30PCh. 15 - Prob. 15.31PCh. 15 - Prob. 15.32P
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- USING DOUBLE INTEGRATION METHOD Consider 250 mm x 250 mm (bxh) mm section and e = 100000 MPa DETERMINE VERTICAL REACTION AT B Values:A = 9.4 MB = 5.5 MC = 10.6 KN/MD = 33 KNarrow_forwardA cut slope was excavated in a saturated clay. The slope made an angle of 39.55 degree with the horizontal. Slope failure occurred when the cut reached a depth of 6 m. Previous soil explorations showed that a rock layer was located at a depth of 10 m below the ground surface. Assuming an undrained condition and γsat = 18 kN/m3, Analyze the following. a. undrained cohesion of the clay.b. nature of the critical circle?c. With reference to the toe of the slope, at what distance did the surface of sliding intersect the bottom of the excavation?arrow_forwardUsing Slope Deflection Method for the figure below then , determine Ma, Ma, Mac, Mca, Mco, Moc and all reactions at support. Use I= 1/12 b(h³) and E = 2.10x10' KPa 1600 Kn/m B 4.25m 5.15m b2= 0.55m b3= 0.75m 800 Kn/m h2= 0.75m h3= 0.75m 9.95m L4, m b1= 0.75m 3.22m h1= 0.75m 3.28m D A |arrow_forward
- Need the Solution: Determine the slope at A and displacement at C. EI is constant. Answer: θ= -5/EI kN/m^2 counterclockwise; Δ= -2.8125/EI kN/m^3 upwardarrow_forwardThe infinite sand slope shown in the figure is on theverge of sliding failure. The ground water tablecoincides with the ground surface. Unit weight of water % = 9.81kN/m² The value of the effective angle of internal friction (indegrees, up to one decimal place) of the sand is. 111 7sat = 21 kN/m²³arrow_forward120 KN 1.5 m 60 KN/m 60 KN/m 1.0 m A 3.0 m 3.0 m a. Determine the location of the maximum deflection using double integration. b. Determine the magnitude of the maximum deflection using double integration method using E = 200 x10^6 KPa and I = 1.440 x10^-5 m4arrow_forward
- Q1. The given structure is supported by a fixed support at point A, a pin support at point D and a roller support at point E. What should be the value of P in order to have a horizontal displacement of 0.01m at point B? Use the Slope Deflection Method for solution. Assume axial rigidity and take EI=10000 kN.m². P 4 m (21) B 3m 30 kN (1¹) 3 m C. 4 m (21) D 4 kN/m 3 m (1) Earrow_forward16.9 Use Taylor's method to determine the factor of safety of the slope shown in Figure P16.9. 1 Very stiff clay FIGURE P16.9 $ = 20 kPa 18 kN/m²arrow_forwardFind the slope at the supports, deflection at the free end, and maximum deflection. Take L = 8 m, a = 2 m, amd w = 40 kN/m. Use double integration method. 40 kN/m с X 8 m ΒΛ 2marrow_forward
- 120 KN 50 KN/m 2.0 m 50 KN/m 2.0 m B A 4.0 m 4.0 m a. Determine the location of the maximum deflection using double integration. b. Determine the magnitude of the maximum deflection using double integration method using E = 200 x10^6 KPa and I = 1.440 x10^-5 m4arrow_forwardUSING DOUBLE INTEGRATION METHOD Consider 250 mm x 250 mm (bxh) mm section and e = 100000 MPa DETERMINE VERTICAL REACTION AT B DETERMINE SLOPE REACTION AT B DETERMINE DEFLECTION AT D Values: A = 9.4 M B = 5.5 M C = 10.6 KN/M D = 33 KNarrow_forwardThe block shown in Figure M01 is acted upon by its weight W = 400 lb, a horizontal force F = 600 lb and the force P exerted by the inclined plane. The resultant R of these forces is parallel to the incline. Determine P and R. Does the block move up or down the incline?arrow_forward
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