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DO QUESTION TWO ( 2 ) all parts following table. Specimen Effective NormalShear Stress at Failure Stress (psf(psf)...
Electronic This assignment requires plotting. Your plots should be to scale and neat. plotting is fine. Make sure a...
Electronic This assignment requires plotting. Your plots should be to scale and neat. plotting is fine. Make sure all of your plots have "square" scales to appropriately represent shear strength and Mohr circles. A set of three direct shear tests was performed on a compacted sand. The effective normal stress and the shear stress at failure from the three tests are provided in the following table. Effective Normal 500 1000 2000 Shear Stress at Failure (psf) 385 750 1510 Specimen...
3. Shear Strength a. Plot the effective stress Mohr-Coulomb failure envelope for a soil with c'-500...
3. Shear Strength a. Plot the effective stress Mohr-Coulomb failure envelope for a soil with c'-500 b. A plane through a sample of this soil has an effective normal stress of c. Use a Mohr circle that touches the failure enve psf and 32 deg. acting on it. What is the shear strength of the soil on that plane? of 2000 psf to estimate the values of σ, and σ, at a state of shear failure 2000 psf lope at...
The figure below shows the stress condition at a point. a) Draw a Mohr circle for...
The figure below shows the stress condition at a point. a) Draw a Mohr circle for the stress condition b) Locate the Pole c) Estimate magnitude of major and minor principal stresses and orientation of the principal planes graphically and algebraically, and compare the results. d) Estimate the maximum shear stress Show all your work and label all the points. ?,-1400 psf 00 psi ox- 600 psf Tyx 200 psf
Please show work on how to get the answer. The results of four drained direct shear tests on samples of overconsolidated clay are given below. (a) Determine the drained shear strength parameters,...
Please show work on how to get the answer.
The results of four drained direct shear tests on samples of overconsolidated clay are given below. (a) Determine the drained shear strength parameters, c' and ф. (b) Plot the Mohr circle representation for sample 2 at failure and find the principal stresses and their directions. Normal force N Normal Shear stress Test stress at Number (kPa) at failure (kPa) 94 150 210 250 Shear force 100 200 300 400 2 3...
The state of stress within the soil below the ground surface is σ.-28 kPa, σ,-14 kPa,...
The state of stress within the soil below the ground surface is σ.-28 kPa, σ,-14 kPa, and t-4 kPa on the horizontal plane. Using Mohr's circle; a) Find the magnitude and directions of the major and minor principal stresses, that is the plane on which there are no shear stresses. b) If the material is a loose sand with a known friction angle of p-30 degrees and c'-0, construct the Coulomb failure envelope and determine if this soil is in...
Question 4(Shear Strength) Note: Part a) and b) must be answered on GRAPIT PAPERI A series...
Question 4(Shear Strength) Note: Part a) and b) must be answered on GRAPIT PAPERI A series of conventional triaxial compression tests were conducted on three identical samples of a cohesionless soil. Test results are tabulated as follows: Sample Effective Confining Pressure, 0' (kN/m?) 198.8 347.9 280.0 Principal Stress Difference at Failure, Ag (kN/m2) 596.4 1043.7 a) Draw the Mohr's circles for the soil samples A and B in terms of effective stresses. [10 marks) b) By drawing the Mohr-Coulomb failure...
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...
2. The results of a Consolidated Undrained (CU) triaxial test on a sand soil are in the figures below. The sample was subjected to a vertical load (do). At failure, the Δσ was 914 psi and the induced...
2. The results of a Consolidated Undrained (CU) triaxial test on a sand soil are in the figures below. The sample was subjected to a vertical load (do). At failure, the Δσ was 914 psi and the induced pore water pressure at failure (Au) was 683 psi. consolidated to a stress of 12 psi and then Au 6.83 psi σ,-12 psi -σ,-12 psi Sand At Failure Initial (Consolidation) A. Draw both the total and effective stress Mohr's Circles at failure...
(12 marks) (a) In a triaxial test for sand (c) the stress increment (s)-2.5o. What is...
(12 marks) (a) In a triaxial test for sand (c) the stress increment (s)-2.5o. What is the angle of internal frictica (o (b) A consolidated undrained (CU) triaxial test was performed on two samples of a clay and the results are: Test No. Cell pressure (kNm) Devilo stress ( km) Pore water pressure (kN) G; 1 150 500 220 (i) The Mohe circles and the failure line in terms effective stresses are drwn as shown in the figure below. List...
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...
Electronic This assignment requires plotting. Your plots should be to scale and neat. plotting is fine. Make sure all of your plots have "square" scales to appropriately represent shear strength and Mohr circles. A set of three direct shear tests was performed on a compacted sand. The effective normal stress and the shear stress at failure from the three tests are provided in the following table. Effective Normal 500 1000 2000 Shear Stress at Failure (psf) 385 750 1510 Specimen...
3. Shear Strength a. Plot the effective stress Mohr-Coulomb failure envelope for a soil with c'-500 b. A plane through a sample of this soil has an effective normal stress of c. Use a Mohr circle that touches the failure enve psf and 32 deg. acting on it. What is the shear strength of the soil on that plane? of 2000 psf to estimate the values of σ, and σ, at a state of shear failure 2000 psf lope at...
The figure below shows the stress condition at a point. a) Draw a Mohr circle for the stress condition b) Locate the Pole c) Estimate magnitude of major and minor principal stresses and orientation of the principal planes graphically and algebraically, and compare the results. d) Estimate the maximum shear stress Show all your work and label all the points. ?,-1400 psf 00 psi ox- 600 psf Tyx 200 psf
Please show work on how to get the answer.
The results of four drained direct shear tests on samples of overconsolidated clay are given below. (a) Determine the drained shear strength parameters, c' and ф. (b) Plot the Mohr circle representation for sample 2 at failure and find the principal stresses and their directions. Normal force N Normal Shear stress Test stress at Number (kPa) at failure (kPa) 94 150 210 250 Shear force 100 200 300 400 2 3...
The state of stress within the soil below the ground surface is σ.-28 kPa, σ,-14 kPa, and t-4 kPa on the horizontal plane. Using Mohr's circle; a) Find the magnitude and directions of the major and minor principal stresses, that is the plane on which there are no shear stresses. b) If the material is a loose sand with a known friction angle of p-30 degrees and c'-0, construct the Coulomb failure envelope and determine if this soil is in...
Question 4(Shear Strength) Note: Part a) and b) must be answered on GRAPIT PAPERI A series of conventional triaxial compression tests were conducted on three identical samples of a cohesionless soil. Test results are tabulated as follows: Sample Effective Confining Pressure, 0' (kN/m?) 198.8 347.9 280.0 Principal Stress Difference at Failure, Ag (kN/m2) 596.4 1043.7 a) Draw the Mohr's circles for the soil samples A and B in terms of effective stresses. [10 marks) b) By drawing the Mohr-Coulomb failure...
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...
2. The results of a Consolidated Undrained (CU) triaxial test on a sand soil are in the figures below. The sample was subjected to a vertical load (do). At failure, the Δσ was 914 psi and the induced pore water pressure at failure (Au) was 683 psi. consolidated to a stress of 12 psi and then Au 6.83 psi σ,-12 psi -σ,-12 psi Sand At Failure Initial (Consolidation) A. Draw both the total and effective stress Mohr's Circles at failure...
(12 marks) (a) In a triaxial test for sand (c) the stress increment (s)-2.5o. What is the angle of internal frictica (o (b) A consolidated undrained (CU) triaxial test was performed on two samples of a clay and the results are: Test No. Cell pressure (kNm) Devilo stress ( km) Pore water pressure (kN) G; 1 150 500 220 (i) The Mohe circles and the failure line in terms effective stresses are drwn as shown in the figure below. List...
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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