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What is the effect of scouring in channels?

What is the effect of scouring in channels?

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+1 vote

asked Aug 15, 2023 in Irrigation Engineering by Carter (75.2k points)

What is the effect of scouring in channels?

(a) The Channel Section gets reduced

(b) Reduces Discharge Capacity

(c) Improper Working of Channel

(d) Breaching of Canal Banks

This question was addressed to me in unit test.

The origin of the question is Stable Channels Design in India topic in section Sediment Transport and Irrigation Channels Design of Irrigation Engineering

irrigation engineering
sediment transport and irrigation channels design
stable channels design in india

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1 Answer

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answered Aug 16, 2023 by Greg (106k points)

Right answer is (d) Breaching of Canal Banks

Explanation: Scouring is not a rare phenomenon in channels. It is very understandable and can be controlled or avoided by proper designing of channels. Scouring causes loss of command in channels and lowers full supply level of channel. This causes breaching of canal banks and in turn causes failure of foundations of irrigation structures.

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