Please answer 15.14 15.14 Refer to Problem 15.13. What is the critical height of the slope? What is thenature of the critical circle? 15.13 Using the graph shown in Figure 15.13, determine the height of a slope (I verticalto 2 horizontal) in saturated clay with an undrained shear strength of 38 kN/mand a unit weight of 18.7 kN/m. The desired factor of safety against sliding is2.5. Given: D = 1.50.For B> 53":All circles are toe circles.For B< 53":DHToe circleMidpoint circleSlope circle(a)0.30.2- 53D =4.00.11.21.015 2.00.09080705040302010Slope angle, B (deg)(b)Figure 15.13 (a) Definition of parameters for midpoint circle type of failure; (b) plot of stabilitynumber against slope angle (Adapted from Terzaghi and Peck, 1967. With permission of John Wiley& Sons, Inc.)Stability number, m

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Answered: Please answer 15.14

Engineering

Civil Engineering

Please answer 15.14

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Please answer 15.14

15.14 Refer to Problem 15.13. What is the critical height of the slope? What is the
nature of the critical circle?

15.13 Using the graph shown in Figure 15.13, determine the height of a slope (I vertical
to 2 horizontal) in saturated clay with an undrained shear strength of 38 kN/m
and a unit weight of 18.7 kN/m. The desired factor of safety against sliding is
2.5. Given: D = 1.50.
For B> 53":
All circles are toe circles.
For B< 53":
DH
Toe circle
Midpoint circle
Slope circle
(a)
0.3
0.2
- 53
D =
4.0
0.1
1.2
1.0
15 2.0
0.0
90
80
70
50
40
30
20
10
Slope angle, B (deg)
(b)
Figure 15.13 (a) Definition of parameters for midpoint circle type of failure; (b) plot of stability
number against slope angle (Adapted from Terzaghi and Peck, 1967. With permission of John Wiley
& Sons, Inc.)
Stability number, m

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