In __________ type of cofferdam consists of a mixture of sand and clay which is filled in a bag and placed instead of earth or rock to form a cofferdam.
(a) Cellular cofferdam
(b) Earth dikes
(c) Rock dikes
(d) Sand-bag dikes
I have been asked this question in an online quiz.
My question is taken from Cofferdam and Caisson in portion Deep Excavations, Pile Foundations and Caisson of Construction & Building Materials