SSC SSC JE Civil 2025 Mock Test Series (Paper 1 & Paper 2) Irrigation Engineering Dams and Spillways
Consider the following statements related to uplift pressure in gravity dams:
1. A drainage gallery reduces the uplift pressure at all levels below the gallery.
2. A drainage gallery below upstream water level reduces the uplift pressure at all levels below the upstream water level.
3. A grout curtain near the heel reduces seepage and uplift pressure everywhere on the gravity dam whatever the upstream water level.
Which of the above statements are correct?1
2 and 3 only
2
1 and 2 only
3
1 and 3 only
4
1, 2 and 3