12.14 Following are the results of consolidated-undrained triaxial tests on undisturbed soils retrieved from a 4-m thick saturated clay layer in the field (yat = 20.7 kN/m³). Chamber Deviator stress, (Ao), (kN/m?) Pore pressure at failure, (Au) (kN/m?) Test pressure, o; (kN/m?) no. 75 166 -11 2 150 295 -52 3 250 410 -80 a. Estimate graphically the Mohr-Coulomb shear strength parameters c' and o'. b. Estimate the shear strength in the middle of the clay layer.
12.14 Following are the results of consolidated-undrained triaxial tests on undisturbed soils retrieved from a 4-m thick saturated clay layer in the field (yat = 20.7 kN/m³). Chamber Deviator stress, (Ao), (kN/m?) Pore pressure at failure, (Au) (kN/m?) Test pressure, o; (kN/m?) no. 75 166 -11 2 150 295 -52 3 250 410 -80 a. Estimate graphically the Mohr-Coulomb shear strength parameters c' and o'. b. Estimate the shear strength in the middle of the clay layer.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:12.14 Following are the results of consolidated-undrained triaxial tests on undisturbed
soils retrieved from a 4-m thick saturated clay layer in the field (yat = 20.7 kN/m³).
Chamber
Deviator
stress, (Ao),
(kN/m?)
Pore pressure at
failure, (Au)
(kN/m?)
Test
pressure, o;
(kN/m?)
no.
75
166
-11
2
150
295
-52
3
250
410
-80
a. Estimate graphically the Mohr-Coulomb shear strength parameters c'
and o'.
b. Estimate the shear strength in the middle of the clay layer.
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