A dam which is prevented from overturning by the action of lateral or vertical up thrust of water by its weight is called __________________?
Correct answer: A. Gravity dam
- A. Gravity dam
- B. Arch dam
- C. Buttress dam
- D. Coffer dam
Explanation
A gravity dam resists overturning and sliding mainly through its own weight, which balances the water pressure and uplift forces. Arch dams transfer load to the valley sides, while buttress dams use supporting ribs.
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