Question

The organic Chemicals include epoxy resin, polyester resin and other resins are used in which method of dewatering of the foundation trenches.

(a) Well Point System

(b) Cement grouting

(c) Chemical grouting

(d) Electro osmosis process

The question was asked by my school principal while I was bunking the class.

The above asked question is from Deep Excavations in section Deep Excavations, Pile Foundations and Caisson of Construction & Building Materials

Answer 1

The correct option is (c) Chemical grouting

For explanation I would say: In 1925, H.J. Joosten, a Dutch mining engineer, adopted for the first time the chemical grouting. He used concentrated solution of sodium silicate and calcium chloride as electrolyte.