Which of the following soil material is most preferred for the central core material of zoned embankment type dam?
(a) Highly impervious clay
(b) Sands or silty clays
(c) Coarse sands
(d) Gravels
I had been asked this question in my homework.
I need to ask this question from Types of Earthen Dams topic in chapter Earthen and Rock Fill Dams of Irrigation Engineering