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4-2 pt ea (T or F) a) Drilled shafts cannot be installed over water. b) Drilled

ID: 1866571 • Letter: 4

Question

4-2 pt ea (T or F) a) Drilled shafts cannot be installed over water. b) Drilled shafts derive their capacity only from end bearing. c) A sheet pile wall is a top down constructed wall system. d) The coeff icient of active earth pressure is approximately 1/10 of the coefficient of at rest e) f) g) earth pressure. A wall that is not allowed to yield is designed for the Ko It takes significantly more movement to develop passive earth pressure than active. Driven piles are only used when competent sands are encountered.

Explanation / Answer

a) True --- Driven shafts cannot be installed over water

b)True

c) False

d)  False

e) true

f) true

g) False

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