An infinite slope has shear strength parameters at the interface: c = 30 kPa, φ = 30°, ⍴ = 17 kN/m3 (Assume 1 m strip perpendicular to the paper and 1 m strip along the inclination of the infinite slope). If HCR = 8 m, find the minimum angle β so that the slope is stable.

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 15.5P
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An infinite slope has shear strength parameters at the interface: c = 30 kPa, φ = 30°, ⍴ = 17 kN/m3 (Assume 1 m strip perpendicular to the paper and 1 m strip along the inclination of the infinite slope). If HCR = 8 m, find the minimum angle β so that the slope is stable.

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