15. For a triaxial shear test conducted on a sand specimen at a confining pressure of100 kN/m² under drained condition,s resulted in a deviator stress (s₁ - S3) atfailutre of 100 kN/m². The angle of shearing resistance of the solid would be

15. For a triaxial shear test conducted on a sand specimen at a confining pressure of 100 kN/m2 under drained condition,s resulted in a deviator stress (s₁ - $3) at failutre of 100 kN/m². The angle of shearing resistance of the solid would be

15. For a triaxial shear test conducted on a sand specimen at a confining pressure of 100 kN/m2 under drained condition,s resulted in a deviator stress (s₁ - $3) at failutre of 100 kN/m². The angle of shearing resistance of the solid would be

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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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.

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15. For a triaxial shear test conducted on a sand specimen at a confining pressure of
100 kN/m² under drained condition,s resulted in a deviator stress (s₁ - S3) at
failutre of 100 kN/m². The angle of shearing resistance of the solid would be

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In a triaxial tests carried out on a sand sample with cell pressure 20 kPa, the observed value of applied stress at the point of failure is 4 kPa. The angle of internal friction on the soil is? mmmmm
An undisturbed soil sample, 110 mm in diameter and 220 mm in height, was tested in atriaxial machine. The sample sheared under an additional axial load of 3.35 kN with avertical deformation of 21 mm. The failure plane was inclined at 50˚ to the horizontal and the cell pressure was 300 kN/m2. i. Draw the Mohr circle diagram representing the above stress conditions, and from it determine:− Coulomb’s equation for the shear strength of the soil, in terms of total stress;− the magnitude and obliquity of the resultant stress on the failure plane.
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 = 45 B = 40 C = 15
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Friction angle of dry sand is 35°. In a direct shear test on this sand, a normal stress of 150kPa was applied. What shear stress will cause the failure? (a) 150kPa (b) 50kPa (c) 78kPa (d) 105kPa
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Q.2) In a drained triaxial test carried out on a specimen of clean dry sand failure occurred when the total vertical stress was 423 kPa and lateral stress was 138 kPa. Find: The value of o' of the sand, The normal and shear stress acting on the plane where failure is about to occur, a)
Z
An undisturbed soil sample, 110 mm in diameter and 220 mm in height, was tested in a triaxial machine. The sample sheared under an additional axial load of 3.35 kN with a vertical deformation of 21 mm. The failure plane was inclined at 50˚ to the horizontal and the cell pressure was 300 kN/m2. i. Draw the Mohr circle diagram representing the above stress conditions, and from it determine: − Coulomb’s equation for the shear strength of the soil, in terms of total stress; − the magnitude and obliquity of the resultant stress on the failure plane
Direct s.test.
The angle of friction of a compacted dry sand is 37 degrees. In a direct shear test on the sand, anormal stress of 150 kN/m^2 was applied. The size of the specimen was 50mmx50mx30mm(height) SITUATION 1 a. Compute the shearing stress Your answer b. What shear force will cause shear failure? Your answer c. Determine the shear stress at a depth of 3m if the void ratio of the soil is 0.60. Gs Of sand is 2.70