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Unconfined compressive strength test is:
- a)Undrained test
- b)Drained test
- c)Consolidate undrained test
- d)None of the above
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Unconfined compressive strength test is:a)Undrained testb)Drained tes...
Unconfined compressive strength test is the undrained test. Unconfined compressive strength test (UCS)This is a special case of the Triaxial test, in which the confining pressure ((σ3)) is zero. The main objective of this is to determine the Unconfined compressive strength ((qu)) of cohesive soil. The Undrained shear strength due to cohesion for such soils can be computed as equal to half the unconfined compressive strength. (i.e. Cu = qu/2)
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Unconfined compressive strength test is:a)Undrained testb)Drained tes...
Unconfined Compressive Strength Test
The unconfined compressive strength (UCS) test is a laboratory test used to determine the strength of a rock or soil sample. This test is performed on a cylindrical specimen of rock or soil with no lateral support.
Undrained Test
The undrained test is a type of UCS test in which the sample is tested without allowing any drainage of pore water. In this test, the sample is placed in a compression machine and compressed at a constant rate until failure occurs. The test is called undrained because the pore water pressure within the sample is not allowed to change during the test.
Drained Test and Consolidated Undrained Test
In contrast, the drained test allows the sample to drain during the test, allowing the pore water pressure to change. The consolidated undrained test is a combination of the two, in which the sample is first consolidated under a constant load before being tested undrained.
None of the Above
Since the unconfined compressive strength test is specifically referring to the strength of the sample without lateral support, options B and C are incorrect. Option D is also incorrect as the unconfined compressive strength test is a specific type of test and cannot be categorized as "none of the above".
Conclusion
Therefore, the correct answer is option A, the undrained test.
The unconfined compressive strength (UCS) test is a laboratory test used to determine the strength of a rock or soil sample. This test is performed on a cylindrical specimen of rock or soil with no lateral support.
Undrained Test
The undrained test is a type of UCS test in which the sample is tested without allowing any drainage of pore water. In this test, the sample is placed in a compression machine and compressed at a constant rate until failure occurs. The test is called undrained because the pore water pressure within the sample is not allowed to change during the test.
Drained Test and Consolidated Undrained Test
In contrast, the drained test allows the sample to drain during the test, allowing the pore water pressure to change. The consolidated undrained test is a combination of the two, in which the sample is first consolidated under a constant load before being tested undrained.
None of the Above
Since the unconfined compressive strength test is specifically referring to the strength of the sample without lateral support, options B and C are incorrect. Option D is also incorrect as the unconfined compressive strength test is a specific type of test and cannot be categorized as "none of the above".
Conclusion
Therefore, the correct answer is option A, the undrained test.
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Unconfined compressive strength test is:a)Undrained testb)Drained testc)Consolidate undrained testd)None of the aboveCorrect answer is option 'A'. Can you explain this answer?
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Unconfined compressive strength test is:a)Undrained testb)Drained testc)Consolidate undrained testd)None of the aboveCorrect answer is option 'A'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Unconfined compressive strength test is:a)Undrained testb)Drained testc)Consolidate undrained testd)None of the aboveCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Unconfined compressive strength test is:a)Undrained testb)Drained testc)Consolidate undrained testd)None of the aboveCorrect answer is option 'A'. Can you explain this answer?.
Unconfined compressive strength test is:a)Undrained testb)Drained testc)Consolidate undrained testd)None of the aboveCorrect answer is option 'A'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about Unconfined compressive strength test is:a)Undrained testb)Drained testc)Consolidate undrained testd)None of the aboveCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Unconfined compressive strength test is:a)Undrained testb)Drained testc)Consolidate undrained testd)None of the aboveCorrect answer is option 'A'. Can you explain this answer?.
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