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In order to reduce uplift on a gravity dam, the...

In order to reduce uplift on a gravity dam, the type of grouting done is ____________________

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asked Nov 9, 2023 in Irrigation Engineering by Carter (75.2k points)

In order to reduce uplift on a gravity dam, the type of grouting done is ____________________

(a) curtain grouting near the heel

(b) consolidation grouting near the heel

(c) curtain grouting near the toe

(d) consolidation grouting near the toe

The question was asked in an international level competition.

This question is from Gravity Dams topic in chapter Gravity Dam Design and Construction of Irrigation Engineering

irrigation engineering
gravity dam design and construction
gravity dams

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answered Jan 13 by Greg (106k points)

Right choice is (a) curtain grouting near the heel

The best explanation: Curtain grouting helps in forming a principal barrier against the seepage through the foundations and thus reduces the uplift pressure. This grouting can be accomplished from the foundation gallery or from other galleries within the dam.

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