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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.If an additional CU triaxial test with pore pressure measurement is to be performed using a...
2.If an additional CU triaxial test with pore pressure
measurement is to be performed using a ?3 of 250 kPa on a specimen
identical to those in last Problem , estimate the deviator stress
(?d) and pore pressure (u) of this additional test at failure. What
would potentially be orientation of the failure plane in the
specimen?
The results below were obtained at failure in a series of consolidated-undrained (CU) triaxial tests, with pore pressure measurement, on specimens of fully...
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...
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...
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...
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...
(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...
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.If an additional CU triaxial test with pore pressure
measurement is to be performed using a ?3 of 250 kPa on a specimen
identical to those in last Problem , estimate the deviator stress
(?d) and pore pressure (u) of this additional test at failure. What
would potentially be orientation of the failure plane in the
specimen?
The results below were obtained at failure in a series of consolidated-undrained (CU) triaxial tests, with pore pressure measurement, on specimens of fully...
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...
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...
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...
(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...
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