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The uplift pressure is not important for the upstream apron during considerations of failure due to uplift.

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+1 vote
in Irrigation Engineering by (75.2k points)
The uplift pressure is not important for the upstream apron during considerations of failure due to uplift.

(a) True

(b) False

I have been asked this question by my school principal while I was bunking the class.

Enquiry is from Seepage Theories topic in chapter Seepage Theories and Weirs and Barrages Design of Irrigation Engineering

1 Answer

0 votes
by (106k points)
The correct option is (a) True

Easiest explanation: When the apron is not sufficiently strong to counteract the excessive upward pressure, it may fail by rupture. The uplift pressure is not important for an upstream apron because the downward weight of stored water on the upstream apron is sufficient to neutralize the effect.

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