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Strength of Materials - Engineering

Q1:

A masonry dam may fail due to

A tension in the masonry of the dam and its base

B overturning of the dam

C crushing of masonry at the base of the dam

D any one of the above

ANS:D - any one of the above

Masonry and concrete are weak in tension. Thus masonry and concrete gravity dams are usually designed in such a way that no tension is developed anywhere. If these dams are subjected to tensile stresses, materials may develop tension cracks.