In a Buttress dam, when the height of dam is 10 m to 25 m, the spacing – McqOptions

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1.	In a Buttress dam, when the height of dam is 10 m to 25 m, the spacing of buttress is usually restricted to
A.	10 to 15 m
B.	4.5 to 6 m
C.	20 to 25 m.
D.	1.5 m
E.	1 m
Answer» C. 20 to 25 m.

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