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Question

Consider the following statements about Bligh's Creep theory for seepage flow:
1. The loss of head is proportional to the length of creep.
2. For all types of soil, Bligh's coefficient is constant..
3. The hydraulic gradient must be kept under a safe limit in order to ensure safety against piping.
4. Generally, the thickness of floor is increased by 33%, so as to allow a suitable factor of safety.
Which of the above statements are CORRECT?

A
1, 2 and 3
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B
2, 3 and 4
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C
1, 2 and 4
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D
1, 3 and 4
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Solution

The correct option is D 1, 3 and 4
Bligh's coefficient is different for different type of soils.

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