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in Geotechnical Engineering I by (102k points)
To check the seepage of water through the body of dam, the outer shells of dam provided is ________

(a) pervious

(b) semi-pervious

(c) impervious

(d) hollow

This question was addressed to me during an interview for a job.

My doubt is from Capillary Siphoning in portion Soil Water Effective and Neutral Stresses of Geotechnical Engineering I

1 Answer

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by (727k points)
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Best answer
The correct choice is (a) pervious

Easiest explanation: The outer shells of the dam are made of highly pervious granular soil so as to check the seepage through it. The water can rise through the capillary action through the voids of the dry soil.

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