b)
0)

a)

b)

0)

Distinguish between a main spillway and an emergency spillway
Find the limiting height of a low concrete gravity dam, constructed in concrete
having strength equal to 3000KN/m?
How will you estimate the uplift pressure under gravity dams? How the uplift
pressure diagram will get modified under

i. The presence of a drainage gallery

ii. Tension crack near the heel of the dam?
Explain the term effective length of spillway. Give an expression for ogee
spillway.
Why are keys provided in a dam?

RK

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