Consider the following statements related to upliftpressure in gravity dams:1. A drainage gallery reduces the uplift pressureat all levels below the gallery.!.2. A drainage gallery below upstream waterlevel reduces the uplift pressure at all levelsbelow the upstream water level.3. A grout curtain near the heel reducesseepage and uplift pressure everywhere onthe gravity dam whatever the upstream waterlevel.Which of the above statements are correct?(a) 2 and 3 only (b) 1 and 2 only(c) 1 and 3 only(d) 1, 2 and 3

Consider the following statement related to uplift pressure in gravity damsA drainage gallery…

Consider the following sta pressure in gravity dam 1. A drainage gallery rec at all levels below t 2. A drainage gallery level reduces the up- below the upstream 3. A grout curtain ne seepage and uplift p the gravity dam what

Consider the following sta pressure in gravity dam 1. A drainage gallery rec at all levels below t 2. A drainage gallery level reduces the up- below the upstream 3. A grout curtain ne seepage and uplift p the gravity dam what

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Principles of Seepage

In hydrology, when water flows down in a pore or crack of unsaturated soil due to gravity, the deep layer of soil is called seepage. It is the slow movement of water in the soil layer. Seepage is mainly found near hydraulic structures and is responsible for the stability of earthen-type hydraulic structures.

Question

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?
(a) 2 and 3 only (b) 1 and 2 only
(c) 1 and 3 only
(d) 1, 2 and 3

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