Please answer (a) 0.10 -0,08 -120.0614160.04 -18200.02 -0.006.101418263034Slope angle B (deg)(a)0.124= 100.10=0.2512140.08 -16180.06 -0.04 -0.02 -0.00 +4 6101418 22263034Slope angle B (deg)(b)d = 100.120.100.080.06 -0.040.02 -0.00 +4 610141822263034Slope angle B (deg)(c)Figure 15.35 Spencer's solution plot of c'IF.yH versus B 15.24 The following parameters are given for a slope with steady-state seepage: Slopeangle: 3H:1V, o' = 24°, c' = 27 kN/m², y = 17.5 kN/m’, H = 18 m, andr, = 0.25. Determine the factor of safety, F, usinga. Spencer's solution (Figure 15.35)b. Michalowski's solution (Figure 15.36)

As u have asked for answering part (a) only solving thatSlope angle : 3H:1V ϕ'=24°c'=27 Knm2γ=17.5…

The following parameters are given for a slope with steady-state seepage: Slope angle: 3H:1V, ø' = 24°, c' = 27 kN/m², y = 17.5 kN/m², H = 18 m, and r, = 0.25. Determine the factor of safety, F,, using a. Spencer's solution (Figure 15.35) b. Michalowski's solution (Figure 15.36)

The following parameters are given for a slope with steady-state seepage: Slope angle: 3H:1V, ø' = 24°, c' = 27 kN/m², y = 17.5 kN/m², H = 18 m, and r, = 0.25. Determine the factor of safety, F,, using a. Spencer's solution (Figure 15.35) b. Michalowski's solution (Figure 15.36)

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter15: Slope Stability

Section: Chapter Questions

Problem 15.30P

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Question

Please answer (a)

0.10 -
0,08 -
12
0.06
14
16
0.04 -
18
20
0.02 -
0.00
6.
10
14
18
26
30
34
Slope angle B (deg)
(a)
0.12
4= 10
0.10
=0.25
12
14
0.08 -
16
18
0.06 -
0.04 -
0.02 -
0.00 +
4 6
10
14
18 22
26
30
34
Slope angle B (deg)
(b)
d = 10
0.12
0.10
0.08
0.06 -
0.04
0.02 -
0.00 +
4 6
10
14
18
22
26
30
34
Slope angle B (deg)
(c)
Figure 15.35 Spencer's solution plot of c'IF.yH versus B

15.24 The following parameters are given for a slope with steady-state seepage: Slope
angle: 3H:1V, o' = 24°, c' = 27 kN/m², y = 17.5 kN/m’, H = 18 m, and
r, = 0.25. Determine the factor of safety, F, using
a. Spencer's solution (Figure 15.35)
b. Michalowski's solution (Figure 15.36)

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Q.1. Refer to the infinite slope shown in Figure 1. Given: β = 19 ͦ, ɣ = 20 kN/m3 , Ø = 33 ͦ, and c’ = 47 kN/m2 . Find the height, H, such that a factor of safety, Fs = 3.1 is maintained against sliding along the soil-rock interface.
Given an infinite slope with the following properties: γ = 17 kN/m3, H = 5 m, β = 34°, φ = 25° and c = 20 kPa. a. Determine the normal stress. b. Determine the shear stress. c. Determine the factor of safety.
3. An infinite slope has shear strength parameters at the interface: c = 30 kPa, φ = 30°, γ = 17 kN/m3 (Assume 1 m strip perpendicular to the paper and 1 m strip along the inclination of the infinite slope). a. If H = 5 m, and β = 20°, find the sliding force. b. If H = 5 m, and β = 20°, find the force that resist sliding on the rock surface. c. If HCR = 8 m, find the minimum angle β so that the slope is stable.
Q.1. Refer to the infinite slope shown in Figure 1. Given: β = 19 ͦ, ɣ = 20 kN/m3 , Ø = 33 ͦ, and c’ = 47 kN/m2 . Find the height, H, such that a factor of safety, Fs = 3.1 is maintained against sliding along the soil-rock interface. Also Determine the thrust on the wall if the water table rises to a level 2 m below the surface of the sand. The saturated unit weight of the sand is 20 kN/m3 .
An infinite slope consists of bed rock inclined at 15° to the horizontal that is covered by 4 m (measured vertically) soil with ?′=10?N/?2, ?′=24° and ?=19.0?N/?3.a. What is the factor of safety of this slope?b. If there is steady state seepage through the soil, with the water table coinciding with the ground level, what would be the factor of safety? Assume ?sat = 19.0?N/?3.