Please answer 15.14
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Please answer 15.14

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

Transcribed Image Text: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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