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a. IfH - 5 m and B - 18°, find the factor of safety against sliding on the roe surface. b. If B = 27", fnd the height, H, for which F, = 1.75.

a. IfH - 5 m and B - 18°, find the factor of safety against sliding on the roe surface. b. If B = 27", fnd the height, H, for which F, = 1.75.

Structural Analysis
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

Answer is (a) 2.25, (b) 3.42m

H Flgure 15.49
Transcribed Image Text:H Flgure 15.49
15.5 An infinite slope is shown in Figure 15.49. The shear strength parameters at the interface of soil and rock are o' - 26°, and c'- 21 kN/m'. Given: p= 1950 kg/m'. a. If H = 5 m and B = 18°, find the factor of safety against sliding on the rock surface. b. Ir B = 27°, find the height, H, for which F, = 1.75.
Transcribed Image Text:15.5 An infinite slope is shown in Figure 15.49. The shear strength parameters at the interface of soil and rock are o' - 26°, and c'- 21 kN/m'. Given: p= 1950 kg/m'. a. If H = 5 m and B = 18°, find the factor of safety against sliding on the rock surface. b. Ir B = 27°, find the height, H, for which F, = 1.75.
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