+1 vote
in Irrigation Engineering by (74.4k points)
The central core of the zoned embankment type earth dam ________________________

(a) checks the seepage

(b) prevents piping

(c) gives stability to the central impervious fill

(d) distribute the load over a large area

The question was asked in an interview for internship.

My question is taken from Types of Earthen Dams in chapter Earthen and Rock Fill Dams of Irrigation Engineering

1 Answer

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by (102k points)
The correct answer is (a) checks the seepage

Best explanation: The central core or hearting is done with fairly impervious material and it checks the seepage. The transition zone of mediocre permeability prevents piping through cracks. The outer zone gives stability to the central fill.

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