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8- An overconsolidated clay has the following shear strength parameters C 20 KPa, 15° in the...
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...
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...
Two undisturbed clay samples were taken from the middle of the overconsolidated and normally consolidated clay layers in the soil profile shown. The water table is at the top of the overconsolidated c...
Two undisturbed clay samples were taken from the middle of the
overconsolidated and normally consolidated clay layers in the soil
profile shown. The water table is at the top of the
overconsolidated clay layer. Consolidation tests were carried out
on the two samples and the results are summarized in the table
below. Assume that the bulk, dry, and saturated unit weights of the
sand are 16 kN/m3, 16 kN/m3 and 19
kN/m3, respectively. The specific gravity of the clay
soil...
(a) Briefly explain Mohr-Coulomb theory and show how we can determine the shear strength parameters of...
(a) Briefly explain Mohr-Coulomb theory and show how we can determine the shear strength parameters of soil by plotting the shear stress versus normal stress. [3 marks] The following results were obtained from a consolidated undrained Triaxial (CU) test with pore water pressure measurement on three samples of a fully saturated clay. Determine the total (undrained) stress and effective (drained) stress parameters. [12 marks] Sample Cell pressure (kN/m2) Deviator stress at failure (kN/m2) Pore pressure at failure (kN/m2) A 300...
. A long natural slope in fissured overconsolidated clay is inclined to the horizontal with an...
. A long natural slope in fissured overconsolidated clay is inclined to the horizontal with an angle =15 o . The saturated unit weight of clay is 18 kN/m3 . The water table is at the surface and the seepage is roughly parallel to the slope. A slip has developed on a plane parallel to the surface at the depth of 4.0 m. Find the factor of safety along the slip plane, for the following two cases: a. Peak shear...
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...
5.1 What is the shear strength in terms of effective stress on a plane within a...
5.1 What is the shear strength in terms of effective stress on a plane within a saturated soil mass at a point where the total normal stress is 295 kPa and the pore water pressure 120 kPa? The strength parameters of the soil for the appropriate stress range are 0 = 30° and c'=12 kPa.
5.1 What is the shear strength in terms of effective stress on a plane within a...
5.1 What is the shear strength in terms of effective stress on a plane within a saturated soil mass at a point where the total normal stress is 295 kPa and the pore water pressure 120 kPa? The strength parameters of the soil for the appropriate stress range are 0 = 30° and c'=12 kPa.
5.1 What is the shear strength in terms of effective stress on a plane within a...
5.1 What is the shear strength in terms of effective stress on a plane within a saturated soil mass at a point where the total normal stress is 295 kPa and the pore water pressure 120 kPa? The strength parameters of the soil for the appropriate stress range are 0 = 30° and c'=12 kPa.
1 Problem 4 CU tests carried out on two samples of clay. Each sample was isotropically...
1 Problem 4 CU tests carried out on two samples of clay. Each sample was isotropically consolidated before the axial stress was increased. The following results were obtained: Sample No. (03) (kPa) (Aod): (kPa) (Au): (kPa) 420 320 205 2 690 365 350 a) Draw Mohr's circles (total and effective) for each test on the same graph. b) Determine the total and effective shear strength parameters c) Determine the undrained shear strength at a cell pressure (03)t of 690 kPa....
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...
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...
Two undisturbed clay samples were taken from the middle of the
overconsolidated and normally consolidated clay layers in the soil
profile shown. The water table is at the top of the
overconsolidated clay layer. Consolidation tests were carried out
on the two samples and the results are summarized in the table
below. Assume that the bulk, dry, and saturated unit weights of the
sand are 16 kN/m3, 16 kN/m3 and 19
kN/m3, respectively. The specific gravity of the clay
soil...
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...
5.1 What is the shear strength in terms of effective stress on a plane within a saturated soil mass at a point where the total normal stress is 295 kPa and the pore water pressure 120 kPa? The strength parameters of the soil for the appropriate stress range are 0 = 30° and c'=12 kPa.
5.1 What is the shear strength in terms of effective stress on a plane within a saturated soil mass at a point where the total normal stress is 295 kPa and the pore water pressure 120 kPa? The strength parameters of the soil for the appropriate stress range are 0 = 30° and c'=12 kPa.
5.1 What is the shear strength in terms of effective stress on a plane within a saturated soil mass at a point where the total normal stress is 295 kPa and the pore water pressure 120 kPa? The strength parameters of the soil for the appropriate stress range are 0 = 30° and c'=12 kPa.
1 Problem 4 CU tests carried out on two samples of clay. Each sample was isotropically consolidated before the axial stress was increased. The following results were obtained: Sample No. (03) (kPa) (Aod): (kPa) (Au): (kPa) 420 320 205 2 690 365 350 a) Draw Mohr's circles (total and effective) for each test on the same graph. b) Determine the total and effective shear strength parameters c) Determine the undrained shear strength at a cell pressure (03)t of 690 kPa....
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