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Question
Consider the following statements :
1. Giving equal weightage to horizontal and vertical creeps for design of weir foundations is one of the drawbacks of Kennedy's theory.
2. Khosla's theory of design of foundations for weir is based on potential theory
3. Piping problem can be reduced by increasing the length of floor.
4. In Lane's weighted creep theory, horizontal creep is given more weightage compared to vertical creep.
Which of the above statements is/are correct?
A.
1 and 3 only
B.
2, 3 and 4
C.
2 and 3 only
D.
3 and 4 only
Answer ( Option C)

2 and 3 only

Solution

• Equal weightage was given to horizontal and vertical creeps for design of weir foundation is one of the drawbacks of Bligh's theory.
• Khosla's rational solution was considering potential function.
• In lane's weighted creep theory, horizontal creep given a 1/3 weightage compared to vertical creep which is 1.

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