Civil Engineering - UPSC Civil Service Exam Questions - Discussion
Discussion Forum : UPSC Civil Service Exam Questions - Section 2 (Q.No. 13)
13.
Which one of the following is the appropriate triaxial test to assess the immediate stability of an unloading problem, such as an excavation of a clay slope ?
Discussion:
6 comments Page 1 of 1.
Rinku said:
3 years ago
Yes, CU test is the right answer.
Apcivilian said:
3 years ago
UU test is the right answer.
(1)
Suddh said:
3 years ago
A is the right answer.
Shubham P said:
5 years ago
The answer is correct.
When the stability of clay soil slope is required then we go for Undrained test for sure as clay can not be taken for the drained test due to prolonged results.
Now, when normally stability is checked for an unconsolidated test, we check against the creep of soil as we assume there won't be any immediate issue as the soil is cohesive.
However, for immediate stability, we have to push soil for critical loading that is Deviator load also consolidation loading!
So it will be Consolidated Undrained Test.
When the stability of clay soil slope is required then we go for Undrained test for sure as clay can not be taken for the drained test due to prolonged results.
Now, when normally stability is checked for an unconsolidated test, we check against the creep of soil as we assume there won't be any immediate issue as the soil is cohesive.
However, for immediate stability, we have to push soil for critical loading that is Deviator load also consolidation loading!
So it will be Consolidated Undrained Test.
(2)
Bikas moharana said:
6 years ago
UU test for immediate stability and CU test for long term stability.
Manojkumar said:
7 years ago
B is the correct answer.
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