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Q2:- The data for two soil samples at triaxial Consolidated-Undrained (C-U) test was...
help me with this question, please Q2:- The data for two soil samples at triaxial Consolidated-Undrained...
help me with this question, please
Q2:- The data for two soil samples at triaxial Consolidated-Undrained (C-U) test was as follow: Deviator load Height Diameter Cell pressure Pore water pressure sample (gram) (mm) (mm) (03) (pa) (Au) (pa) Si 75 35 50000 40000 4815 S2 72 35 70000 50000 5775 a) Draw the T - o relationship and determine shear strength parameters. b) Estimate the effective shear and normal stresses at failure plane for sample (S1). (tack g=10m/s) (30 points)
soil mechanics will rate if correct 13. A consolidated, undrained (CU) Triaxial test was performed on...
soil mechanics
will rate if correct
13. A consolidated, undrained (CU) Triaxial test was performed on a normally consolidated, saturated clay. The minor principal effective stress at the end of consolidation phase, c'3c was 100 kPa. The deviatoric stress, Aod, at failure was 60 kPa. The excess pore pressure at failure, Au was 45 kPa. What is the effective friction angle, "? (a) 21 degrees (6) 26 degrees (e) 33 degrees 14. A consolidated, undrained (CU) Triaxial test was performed...
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...
A consolidated undrained (CU) triaxial compression test (TXC) was conducted on a specimen of saturated clay....
A consolidated undrained (CU) triaxial compression test (TXC) was conducted on a specimen of saturated clay. The specimen was isotropically consolidated to a total cell pressure, σcell of 400 kPa. The backpressure was u0 = 100 kPa. At failure, the total pore water pressure was u = 90 kPa and the deviator stress was (σ1 − σ3)f = 526 kPa. Determine: a. The principal effective stresses, σ1′ and σ3′, at failure b. The friction angle, φ′ (secant method). c. The...
For 1 a) c’=0 & angle = 25.6 degrees dont answer if u didnt get that. and show ur work please
For 1 a) c’=0 & angle = 25.6 degrees
dont answer if u didnt get that. and show ur work please
1. A series of four consolidated undrained triaxial tests with pore pressure measurement gave the fol- lowing results for a saturated clay. test # confining stress σ3 (kPa) initial pore pressure uo (kPa) deviator stress at failure (σ1-03)(kPa) pore pressure at failure ur (kPa) #1 #2 #3 #4 150 300 450 600 0 202 0 305 0 410 103...
2. A consolidated undrained triaxial test, in which pore pressure measurements were made, was carried out...
2. A consolidated undrained triaxial test, in which pore pressure measurements were made, was carried out on a saturated soil with the following results. Given that the initial diameter of the sample was 38 mm in all three cases, determine the values of cohesion and angle of internal friction with respect to (a) total stresses (c and o). (b) effective stresses (c' and o'). The minor and major principal stresses are calculated and presented in the table below (You are...
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...
8. A sandy soil specimen is subjected to a Consolidated Drained (CD) triaxial test. Confining pressure...
8. A sandy soil specimen is subjected to a Consolidated Drained (CD) triaxial test. Confining pressure of 500 kPa is applied to the cell and the sample was sheared to failure. The deviatoric stress at failure was recorded as 1400 kPa. Determine the principal stresses at failure and the angle of shearing resistance for this soil. (20 points)
PART IV SHEAR STRENGTH OF SOILS 38 pts PROBLEM 4.1 a) A triaxial consolidated drained test...
PART IV SHEAR STRENGTH OF SOILS 38 pts PROBLEM 4.1 a) A triaxial consolidated drained test is performed on a NC clay with ?.-700 kPa and uo-200. The additional axial stress applied through the piston during the shear phase is 1130 kPa. What is the angle of internal friction of the clay (assume c'-0)? Draw total and effective stress Mohr circles for pre-shear and failure conditions. Indicate position of failure plane b) A duplicate specimen is tested undrained following identical...
1. The following results were obtained at failure in a series of drained triaxial tests on...
1. The following results were obtained at failure in a series of drained triaxial tests on fully saturated clay specimens originally 38 mm diameter by 76 mm long. The minor and major principal stresses are calculated and presented in the table below (You are responsible of learning this procedure for the MT exam). All-round pressure (kN/m²) Axial compression (mm) Axial load (N) Volume change (ml) 200 7.22 480 5.25 400 8.36 895 600 9.41 1300 9.30 7.4 (a) Determine the...
help me with this question, please
Q2:- The data for two soil samples at triaxial Consolidated-Undrained (C-U) test was as follow: Deviator load Height Diameter Cell pressure Pore water pressure sample (gram) (mm) (mm) (03) (pa) (Au) (pa) Si 75 35 50000 40000 4815 S2 72 35 70000 50000 5775 a) Draw the T - o relationship and determine shear strength parameters. b) Estimate the effective shear and normal stresses at failure plane for sample (S1). (tack g=10m/s) (30 points)
soil mechanics
will rate if correct
13. A consolidated, undrained (CU) Triaxial test was performed on a normally consolidated, saturated clay. The minor principal effective stress at the end of consolidation phase, c'3c was 100 kPa. The deviatoric stress, Aod, at failure was 60 kPa. The excess pore pressure at failure, Au was 45 kPa. What is the effective friction angle, "? (a) 21 degrees (6) 26 degrees (e) 33 degrees 14. A consolidated, undrained (CU) Triaxial test was performed...
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...
For 1 a) c’=0 & angle = 25.6 degrees
dont answer if u didnt get that. and show ur work please
1. A series of four consolidated undrained triaxial tests with pore pressure measurement gave the fol- lowing results for a saturated clay. test # confining stress σ3 (kPa) initial pore pressure uo (kPa) deviator stress at failure (σ1-03)(kPa) pore pressure at failure ur (kPa) #1 #2 #3 #4 150 300 450 600 0 202 0 305 0 410 103...
2. A consolidated undrained triaxial test, in which pore pressure measurements were made, was carried out on a saturated soil with the following results. Given that the initial diameter of the sample was 38 mm in all three cases, determine the values of cohesion and angle of internal friction with respect to (a) total stresses (c and o). (b) effective stresses (c' and o'). The minor and major principal stresses are calculated and presented in the table below (You are...
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...
8. A sandy soil specimen is subjected to a Consolidated Drained (CD) triaxial test. Confining pressure of 500 kPa is applied to the cell and the sample was sheared to failure. The deviatoric stress at failure was recorded as 1400 kPa. Determine the principal stresses at failure and the angle of shearing resistance for this soil. (20 points)
PART IV SHEAR STRENGTH OF SOILS 38 pts PROBLEM 4.1 a) A triaxial consolidated drained test is performed on a NC clay with ?.-700 kPa and uo-200. The additional axial stress applied through the piston during the shear phase is 1130 kPa. What is the angle of internal friction of the clay (assume c'-0)? Draw total and effective stress Mohr circles for pre-shear and failure conditions. Indicate position of failure plane b) A duplicate specimen is tested undrained following identical...
1. The following results were obtained at failure in a series of drained triaxial tests on fully saturated clay specimens originally 38 mm diameter by 76 mm long. The minor and major principal stresses are calculated and presented in the table below (You are responsible of learning this procedure for the MT exam). All-round pressure (kN/m²) Axial compression (mm) Axial load (N) Volume change (ml) 200 7.22 480 5.25 400 8.36 895 600 9.41 1300 9.30 7.4 (a) Determine the...
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