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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 processThe question was posed to me in exam.My question is from Deep Excavations in division Deep Excavations, Pile Foundations and Caisson of Construction & Building Materials

Answer»

Right answer is (c) Chemical grouting

To elaborate: 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. According to him, the chemical MUST be able to modify the properties of soil as desired or expected.



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