The consolidated drained (CD) triaxial test on a clay gives:
Choose the correct answer
Total stress parameters (c, φ)
Effective stress parameters (c', φ') applicable to long-term stability
Undrained shear strength c_u
None of the above
Correct Answer
B. Effective stress parameters (c', φ') applicable to long-term stability
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In the CD test, drainage is permitted throughout both consolidation and shearing stages. No excess pore pressure develops during shearing. The results give effective stress parameters c' and φ', used for long-term (drained) stability analyses.
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