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Q4:- A sand sample is tested in a direct shear...
Q4:- A sand sample is tested in a direct shear device. The vertical normal stress on...
Q4:- A sand sample is tested in a direct shear device. The vertical normal stress on the sample is 300 kN/m². The horizontal shear stress at failure is equal to 210 kN/m² a. Compute the angle of internal friction for the sand and the magnitudes of the principal stresses at failure. b. During a consolidated drained triaxial test, a sample of the same sand failed at a principal stress difference of 130 kN/m². Determine the magnitudes of the principal stresses...
soil mechanics Q4:- A sand sample is tested in a direct shear device. The vertical normal...
soil mechanics
Q4:- A sand sample is tested in a direct shear device. The vertical normal stress on the sample is 300 kN/m². The horizontal shear stress at failure is equal to 210 kN/m². a. Compute the angle of internal friction for the sand and the magnitudes of the principal stresses at failure. b. During a consolidated drained triaxial test, a sample of the same sand failed at a principal stress difference of 130 kN/m². Determine the magnitudes of the...
subject / soil mechanics i want the solution as soon as possible 04:- A sand sample...
subject / soil mechanics
i want the solution as soon as possible
04:- A sand sample is tested in a direct shear device. The vertical normal stress on the sample is 300 kN/m². The horizontal shear stress at failure is equal to 210 kN/m² a. Compute the angle of internal friction for the sand and the magnitudes of the principal stresses at failure. b. During a consolidated drained triaxial test, a sample of the same sand failed at a principal...
(b) A saturated specimen of cohesionless sand was tested under drained conditions in a triaxial compression...
(b) A saturated specimen of cohesionless sand was tested under drained conditions in a triaxial compression test apparatus and the sample failed at a deviator stress of 470 kN/m and the plane of failure made an angle of 58° to the horizontal I Determine the magnitudes of the principal stresses. (4 marks) II. Determine the magnitude of the deviator stress and the major principle stress at failure for another identical sample of sand if it is tested under a cell...
A triaxial shear test is performed on a well-drained sand sample. At failure, the normal stress...
A triaxial shear test is performed on a well-drained sand sample. At failure, the normal stress on the failure plane was 6260 psf and the shear stress on the failure plane was 4175 psf. What is the angle of internal friction?
In a direct shear test on a sample of cohesionless sand, the vertical normal stress on...
In a direct shear test on a sample of cohesionless sand, the vertical normal stress on the sample is 300 kPa and the horizontal shear stress at failure is 200 kPa. a) Assuming uniform stress distribution within the failure zone, determine the magnitude and direction of the principal stresses at failure. b) Explain if it is possible to determine the principal stresses in a direct shear sample for an applied horizontal shear stress which is not large enough to cause...
Problems 39 ist four major factors that influence the internal friction angle of cohesionless soils 7-2 Define soil sensitivity and thixotropy In a direct shear test on a loose sand, a shearing s...
Problems 39 ist four major factors that influence the internal friction angle of cohesionless soils 7-2 Define soil sensitivity and thixotropy In a direct shear test on a loose sand, a shearing stress of 36.1 kPa was recorded 7-3 while the normal stress on the failure plane was 66.4 kPa. (a) What are the shear strength parameters, c', φ'? (b) Find the major and minor principal stresses at failure. (c) Determine the shear strength at a normal stress of 110.0...
Problem 3: A consolidated-drained triaxial test is carried out on a sand specimen that is subjected...
Problem 3: A consolidated-drained triaxial test is carried out on a sand specimen that is subjected to 80 kN/m2 confining pressure. The vertical deviator stress was increased slowly such that there is no built-up of pore water pressure within the specimen. The specimen failed when the addition axial stress reached 240 kN/m2. Find the friction angle of the sand. If another identical sand specimen was subjected to 150 kN/m? confining pressure, what would be the deviator stress at failure.
4. Shear Strength A sample of cohesive soil with undrained shear strength of 30 Kpa is beng tested in a triaxial est with a confining pressure of 15 Kpa (see the figure below). Sketch the failure...
4. Shear Strength A sample of cohesive soil with undrained shear strength of 30 Kpa is beng tested in a triaxial est with a confining pressure of 15 Kpa (see the figure below). Sketch the failure envelope and Mohr's circle representing the state of stress at failure. Evaluate the following: (i) The vertical axial stress at failure. (ii) The major and minor principal stresses at failure (ii) The orientation of failure plane with respect to horizontal plane. (iv) The normal...
Following data are given for a direct shear test conducted on dry sility sand: Specimen dimensions:...
Following data are given for a direct shear test conducted on dry sility sand: Specimen dimensions: diameter 71 mm; height 25 mm Normal stress: 150 kN/m2 Shear force at failure: 276 N a. Determine the angle of friction, ф. b. For a normal stress of 200 kN/m2, what shear force is required to cause failure? Das Problem 12.1 Also draw the Mohr's circle at failure. (c) What are the principal stresses at failure? (d) What is the inclination of the...
Q4:- A sand sample is tested in a direct shear device. The vertical normal stress on the sample is 300 kN/m². The horizontal shear stress at failure is equal to 210 kN/m² a. Compute the angle of internal friction for the sand and the magnitudes of the principal stresses at failure. b. During a consolidated drained triaxial test, a sample of the same sand failed at a principal stress difference of 130 kN/m². Determine the magnitudes of the principal stresses...
soil mechanics
Q4:- A sand sample is tested in a direct shear device. The vertical normal stress on the sample is 300 kN/m². The horizontal shear stress at failure is equal to 210 kN/m². a. Compute the angle of internal friction for the sand and the magnitudes of the principal stresses at failure. b. During a consolidated drained triaxial test, a sample of the same sand failed at a principal stress difference of 130 kN/m². Determine the magnitudes of the...
subject / soil mechanics
i want the solution as soon as possible
04:- A sand sample is tested in a direct shear device. The vertical normal stress on the sample is 300 kN/m². The horizontal shear stress at failure is equal to 210 kN/m² a. Compute the angle of internal friction for the sand and the magnitudes of the principal stresses at failure. b. During a consolidated drained triaxial test, a sample of the same sand failed at a principal...
(b) A saturated specimen of cohesionless sand was tested under drained conditions in a triaxial compression test apparatus and the sample failed at a deviator stress of 470 kN/m and the plane of failure made an angle of 58° to the horizontal I Determine the magnitudes of the principal stresses. (4 marks) II. Determine the magnitude of the deviator stress and the major principle stress at failure for another identical sample of sand if it is tested under a cell...
A triaxial shear test is performed on a well-drained sand sample. At failure, the normal stress on the failure plane was 6260 psf and the shear stress on the failure plane was 4175 psf. What is the angle of internal friction?
In a direct shear test on a sample of cohesionless sand, the vertical normal stress on the sample is 300 kPa and the horizontal shear stress at failure is 200 kPa. a) Assuming uniform stress distribution within the failure zone, determine the magnitude and direction of the principal stresses at failure. b) Explain if it is possible to determine the principal stresses in a direct shear sample for an applied horizontal shear stress which is not large enough to cause...
Problems 39 ist four major factors that influence the internal friction angle of cohesionless soils 7-2 Define soil sensitivity and thixotropy In a direct shear test on a loose sand, a shearing stress of 36.1 kPa was recorded 7-3 while the normal stress on the failure plane was 66.4 kPa. (a) What are the shear strength parameters, c', φ'? (b) Find the major and minor principal stresses at failure. (c) Determine the shear strength at a normal stress of 110.0...
Problem 3: A consolidated-drained triaxial test is carried out on a sand specimen that is subjected to 80 kN/m2 confining pressure. The vertical deviator stress was increased slowly such that there is no built-up of pore water pressure within the specimen. The specimen failed when the addition axial stress reached 240 kN/m2. Find the friction angle of the sand. If another identical sand specimen was subjected to 150 kN/m? confining pressure, what would be the deviator stress at failure.
4. Shear Strength A sample of cohesive soil with undrained shear strength of 30 Kpa is beng tested in a triaxial est with a confining pressure of 15 Kpa (see the figure below). Sketch the failure envelope and Mohr's circle representing the state of stress at failure. Evaluate the following: (i) The vertical axial stress at failure. (ii) The major and minor principal stresses at failure (ii) The orientation of failure plane with respect to horizontal plane. (iv) The normal...
Following data are given for a direct shear test conducted on dry sility sand: Specimen dimensions: diameter 71 mm; height 25 mm Normal stress: 150 kN/m2 Shear force at failure: 276 N a. Determine the angle of friction, ф. b. For a normal stress of 200 kN/m2, what shear force is required to cause failure? Das Problem 12.1 Also draw the Mohr's circle at failure. (c) What are the principal stresses at failure? (d) What is the inclination of the...
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