+1 vote
in Geotechnical Engineering II by (93.8k points)
The most economical shape, of a well for the construction of large pier is _________

(a) Twin circular

(b) Double-D

(c) Rectangular

(d) Single circular

I got this question in an interview.

This is a very interesting question from Shapes of Wells and Component Parts in division Well Foundations of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
The correct choice is (b) Double-D

Easiest explanation: The dredge area for a double-D shape is smaller when compared to others; hence it can be more economical than a singular circular well.

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