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Which one of the following is the appropriate tri- axial test to assess the immediate stability of an unloading probfem, such as an excavation of a clay slope?
  • a)
    UU test
  • b)
    CU test
  • c)
    CD test
  • d)
    Unconsolidated drained tests
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Which one of the following is the appropriate tri- axial test to asses...
For problems of short term-stability of foundations: excavations and earth dams UU (Unconsolidated , Undrained) tests are appropriate. For problems of long-term stability either UU test or CD test is appropriate, depending upon the drainage conditions of soil.
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Which one of the following is the appropriate tri- axial test to asses...
Tri-Axial Test for Immediate Stability Assessment

The appropriate tri-axial test to assess the immediate stability of an unloading problem, such as an excavation of a clay slope, is the UU test. Let's understand why it is the correct option.

What is the UU Test?

The UU test stands for the Unconsolidated Undrained test, which is a type of tri-axial test used to determine the shear strength of soil samples under undrained conditions. This test is appropriate for soils that are prone to rapid drainage or where the drainage of pore water is restricted.

Why is UU Test Suitable for Immediate Stability Assessment?

When it comes to assessing the immediate stability of an unloading problem, such as an excavation of a clay slope, the UU test is a suitable choice because:

- It is performed on undisturbed soil samples, which is important when dealing with slopes or excavations.
- It measures the undrained shear strength of the soil, which is the strength that is relevant for assessing the immediate stability of the slope.
- It can be performed quickly, which is essential when dealing with time-sensitive projects.

Conclusion

The UU test is the appropriate tri-axial test to assess the immediate stability of an unloading problem, such as an excavation of a clay slope. This test measures the undrained shear strength of undisturbed soil samples and is suitable for soils that are prone to rapid drainage or where the drainage of pore water is restricted.
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Community Answer
Which one of the following is the appropriate tri- axial test to asses...
Here not give
long term or short term
then UU&CU both right hoga na
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Which one of the following is the appropriate tri- axial test to assess the immediate stability of an unloading probfem, such as an excavation of a clay slope?a)UU testb)CU testc)CD testd)Unconsolidated drained testsCorrect answer is option 'A'. Can you explain this answer?
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