3.0 A consolidated-drained triaxial test was conducted on an overconsolidated clay sample. The sample failed in test 1 at 0₁-200 kPa and 3=130 kPa, and in test 2 at ₁-400 kPa and 03-290 kPa. Determine the undrained and drained friction angles and cohesion for the assumption that the Skempton's pore water pressure parameter A=0.45. Also, for a CU test on the same soil, determine 01, 01, 03', and excess pore water pressure u for σ3=340 kPa.
3.0 A consolidated-drained triaxial test was conducted on an overconsolidated clay sample. The sample failed in test 1 at 0₁-200 kPa and 3=130 kPa, and in test 2 at ₁-400 kPa and 03-290 kPa. Determine the undrained and drained friction angles and cohesion for the assumption that the Skempton's pore water pressure parameter A=0.45. Also, for a CU test on the same soil, determine 01, 01, 03', and excess pore water pressure u for σ3=340 kPa.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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
Transcribed Image Text:3. A consolidated-drained triaxial test was conducted on an overconsolidated clay sample.
The sample failed in test 1 at 0₁-200 kPa and σ3=130 kPa, and in test 2 at 0₁-400 kPa and
03 290 kPa. Determine the undrained and drained friction angles and cohesion for the
assumption that the Skempton's pore water pressure parameter A=0.45. Also, for a CU test on
the same soil, determine 0₁, 0₁', 03', and excess pore water pressure u for σ3-340 kPa.
$²=6.4° C = 16.8 kPa $cu=5,8°₁ Ccu=20,3kP₂₁0₁=461RPO
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