Uplift pressure is considered in the analysis of gravity dams in which of the following situation?
- AOnly when there is a drainage gallery in the dam.
- BOnly when there is tail water.
- COnly when the reservoir is empty.
- DIn all situations having water in the reservoir.Correct
Solution
Concept
Uplift
Step-by-step solution
1. Uplift acts whenever there is water in the reservoir.
Explanation
It is always considered when the reservoir has water.
Why the other options are wrong
It is not restricted to special cases.
Shortcut
Water → uplift.
Correct answer: D) In all situations having water in the reservoir.