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Which of the following line acts as a dividing...

Which of the following line acts as a dividing line between dry (or moist) and submerged line?

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+1 vote

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

Which of the following line acts as a dividing line between dry (or moist) and submerged line?

(a) Equipotential line

(b) Path line

(c) Seepage line

(d) Streak line

I got this question during an internship interview.

My question is taken from Design Criteria of Earth Dams topic in section Earthen and Rock Fill Dams of Irrigation Engineering

irrigation engineering
earthen and rock fill dams
design criteria of earth dams

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1 Answer

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

Correct option is (c) Seepage line

The explanation: The soil above the phreatic line or seepage line will be taken as dry and the soil below it shall be taken as submerged for computation of shear strength of the soil. This helps in drawing the flow net.

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