Answered: A clear dry sand sample is tested in a…

A clear dry sand sample is tested in a dire. shear test. The normal stress and the shear stres at failure are both equal to 12O kN/m². The angk of shearing resistance of the sand will be

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter10: Shear Strength Of Soil

Section: Chapter Questions

Problem 10.18P

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Concept explainers

Test for Determination of Shear Strength

The term shear strength is often associated with the soil. Shear strength is defined as the resistance to the deformation of soil particles due to the continuous action of shear stress. In short, shear strength is the maximum shear stress that a soil can sustain.

Question

A clear dry sand sample is tested in a dire
shear test. Thee normal stress and the shear stres
at failure are both equal to 120 kN/m2. The angle
of shearing resistance of the sand will be
(a) 25°
(c) 45°
(b) 35°
(d) 55°

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A sample of dry sand is subjected to a tri- axial test. The angle of internal friction is 36.6°. The minor principal stress is 192 KPa. Compute the effective normal stress in KPa at the point where shear occurs at the failure plane.
A sample of dry sand is subjected to a tri- axial test. The angle of internal friction is 37.6°. The minor principal stress is 231 KPa. What is the deviator stress when the failure occurs in KPa?
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Answer in three decimal places please
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A sample of dry sand is tested in direct shear. A normal load equivalent to 96 kPa is imposed for the test. The shearing force applied to fail the sample is increased until shearing does occur. The shear stress at failure is 65 kPa. What is the angle of internal friction f for the sand?
Answer in three decimal places please
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