1- Following data are given for a direct shear test conducted on dry sand: Normal stress: 120 lb/ft² and shear stress at failure: 43 lb/ft² a) Determine the angle of friction, o' b) For a normal stress of 220 lb/ft², what shear force is required to cause failure? c) What are the principal stresses at failure? (for the loads from part b) d) What is the inclination of the major principal plane with the horizontal? (for the loads from part b)

1- Following data are given for a direct shear test conducted on dry sand: Normal stress: 120 lb/ft² and shear stress at failure: 43 lb/ft² a) Determine the angle of friction, o' b) For a normal stress of 220 lb/ft², what shear force is required to cause failure? c) What are the principal stresses at failure? (for the loads from part b) d) What is the inclination of the major principal plane with the horizontal? (for the loads from part b)

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter12: Shear Strength Of Soil

Section: Chapter Questions

Problem 12.18P

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