Q. What will be the elementary profile of a gravity dam?

A
rectangular in section
B
trapezoidal in section
C
polygon with six sides
D
triangular in section
Solution:

Elementary Profile of a Gravity Dam. The elementary profile of a dam, subjected only to the external water pressure on the upstream side, will be rightangled triangle, having zero width at the water level and a base width (B) at bottom, i.e.the point where the maximum hydrostatic water pressure acts.

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