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GATE Exam Questions - Engineering

Q1:

Sand drains are used to :

A reduce the settlement

B accelerate the consolidation

C increase the permeability

D transfer the load

ANS:A - reduce the settlement

Sand drains are used for pre-consolidation of soil pre-consolidation is one of the ground improvement technique. The sand drains to accelerate the consolidation by reducing the drainage path.

The correct answer is B.