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Q1c.i A normally consolidated saturated clay specimen is tested in triaxial compression. With the aid of...
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...
Hg question A consolidated-drained triaxial test was conducted on saturated normally-consolidated clay sample. The effective confining...
Hg question A consolidated-drained triaxial test was conducted on saturated normally-consolidated clay sample. The effective confining stress was 200 kPa. The specimen failed at a deviatoric stress, (40), of 538 kPa. b. Determine the shear stress on the failure plane at failure. Use c = 0. Paragraph - BIE D Previous page Next page
A standard isotropically consolidated drained triaxial compression loading test (CIDC) conducted on a normally consolidated clay...
A standard isotropically consolidated drained triaxial compression loading test (CIDC) conducted on a normally consolidated clay specimen with a preshear consolidation stress s’c = 150 kPa resulted in a measured peak deviator stress (s1-s3)f = 205 kPa. a. Estimate c’ and f’ b. What would p’f, qf, Ds’1f and Ds’3f be if a standard isotropically consolidated drained triaxial compression unloading test was conducted on the same soil with s’c = 200 kPa? Symbols: s=sigma, f=phi, D=delta, Ds'=delta sigma prime,
Q3) A saturated clay specimen was undergone a consolidated undrained triaxial test with all round...
Q3) A saturated clay specimen was undergone a consolidated undrained triaxial test with all round applied pressure of 600 kN/m2. If consolidation took place against the back pressure of 200 kN/m2, draw the stress paths and calculate the value of the pore pressure coefficient A at failure. 20 Marks] 279 61-63 (kN/m2) 80 229 158 277 319 433 214 318 388
Q3) A saturated clay specimen was undergone a consolidated undrained triaxial test with all round applied pressure of 600...
(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 consolidated undrained triaxial test on a specimen of saturated clay was carried out under an all-around pressure of 400kPa. The following results were recorded during the test. 319 158 279 80 214...
A consolidated undrained triaxial test on a specimen of saturated clay was carried out under an all-around pressure of 400kPa. The following results were recorded during the test. 319 158 279 80 214 0 (kPa) u (kPa) 0 188 118 233 29 Li (10 marks) Draw the total and effective stress path. a. (3 marks) Give the value of the pore water pressure coefficient A at failure. b. / c) Deduce from the stress paths and pore pressure coefficient A...
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)
eslblem 2 25 pt)oe Two triaxial compression tests are conducted on identical specimens of the same...
eslblem 2 25 pt)oe Two triaxial compression tests are conducted on identical specimens of the same saturated clay. In the first test the soil is first consolidated to ?.-350 kPa and u.-200 kPa and then sheared under drained conditions increasing the axial stress while keeping the chamber pressure constant. At failure ?i 560 kPa. In the second test, the specimen is consolidated to ?.-600 kPa and uo-400 kPa, then it is sheared under undrained conditions increasing the axial stress while...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
Hg question A consolidated-drained triaxial test was conducted on saturated normally-consolidated clay sample. The effective confining stress was 200 kPa. The specimen failed at a deviatoric stress, (40), of 538 kPa. b. Determine the shear stress on the failure plane at failure. Use c = 0. Paragraph - BIE D Previous page Next page
Q3) A saturated clay specimen was undergone a consolidated undrained triaxial test with all round applied pressure of 600 kN/m2. If consolidation took place against the back pressure of 200 kN/m2, draw the stress paths and calculate the value of the pore pressure coefficient A at failure. 20 Marks] 279 61-63 (kN/m2) 80 229 158 277 319 433 214 318 388
Q3) A saturated clay specimen was undergone a consolidated undrained triaxial test with all round applied pressure of 600...
(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 consolidated undrained triaxial test on a specimen of saturated clay was carried out under an all-around pressure of 400kPa. The following results were recorded during the test. 319 158 279 80 214 0 (kPa) u (kPa) 0 188 118 233 29 Li (10 marks) Draw the total and effective stress path. a. (3 marks) Give the value of the pore water pressure coefficient A at failure. b. / c) Deduce from the stress paths and pore pressure coefficient A...
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)
eslblem 2 25 pt)oe Two triaxial compression tests are conducted on identical specimens of the same saturated clay. In the first test the soil is first consolidated to ?.-350 kPa and u.-200 kPa and then sheared under drained conditions increasing the axial stress while keeping the chamber pressure constant. At failure ?i 560 kPa. In the second test, the specimen is consolidated to ?.-600 kPa and uo-400 kPa, then it is sheared under undrained conditions increasing the axial stress while...
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