423 8, The results of three consolidated-undrained particular soil are: Test no. a (kPa) a-a at peak (kPa) 200 244 300 314 400 384 Determine c and o. What would be the expected pore pressure at f 9, A cylindrical specimen of a saturated soil fails under an test. The failure plane makes an angle of 52° with the he friction of the soil 10 An undisturbed soil sample, 100 mm in diame machine. The sample failed at an additional axial mm. The failure plane was inclined at 50° to the Determine, from Mohr's circle, the total stress tested in a shear box under the same drainage conditions 3600mm2, and the normal load was 540 M stress?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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8,
The results of three consolidated-undrained triaxial tests on identical specimens of a
particular soil are:
Test no.
a (kPa)
a-a at pcak (kPa)
u at peak (kPa)
200
244
55
107
2.
300
314
3.
400
384
159
Determine c and o.
What would be the expected pore pressure at failure for a test with 03= 100 kPa?
9, A cylindrical specimen of a saturated soil fails under an axial stress 150 kN/m2 in an unconfined compression
test. The failure plane makes an angle of 52° with the horizontal. Calculate the cohesion and angle of internal
friction of the soil
10 An undisturbed soil sample, 100 mm in diameter and 200 mm high, was tested in a triaxial
machine. The sample failed at an additional axial load of 3 kN with a vertical deformation of 20
mm. The failure plane was inclined at 50° to the horizontal and the cell pressure was 300 kN/m2,
Determine, from Mohr's circle, the total stress parameters. A further sample of the soil was
tested in a shear box under the same drainage conditions as used for the triaxial test. If the area of the box was
3600mm2, and the nomal load was 540 N what would have been the failure shear
stress?
Transcribed Image Text:8, The results of three consolidated-undrained triaxial tests on identical specimens of a particular soil are: Test no. a (kPa) a-a at pcak (kPa) u at peak (kPa) 200 244 55 107 2. 300 314 3. 400 384 159 Determine c and o. What would be the expected pore pressure at failure for a test with 03= 100 kPa? 9, A cylindrical specimen of a saturated soil fails under an axial stress 150 kN/m2 in an unconfined compression test. The failure plane makes an angle of 52° with the horizontal. Calculate the cohesion and angle of internal friction of the soil 10 An undisturbed soil sample, 100 mm in diameter and 200 mm high, was tested in a triaxial machine. The sample failed at an additional axial load of 3 kN with a vertical deformation of 20 mm. The failure plane was inclined at 50° to the horizontal and the cell pressure was 300 kN/m2, Determine, from Mohr's circle, the total stress parameters. A further sample of the soil was tested in a shear box under the same drainage conditions as used for the triaxial test. If the area of the box was 3600mm2, and the nomal load was 540 N what would have been the failure shear stress?
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