MODIFIED SILTY-CEMENT SUSPENSION FOR FOLLING OR EXPANDING THE HOLES AND EXCAVATIONS IN THE SOIL

摘要

The silt and cement suspension for spacing or filling crevices, excavations, openings and objects seated in the ground, that contains a modifier being a mixture consisting of sodium carbonate and dibasic sodium phosphate in proportion of 1:1 by weight, in the quantity of 1.5-3.0 per cent by weight in relation to the suspension weight, consisting in that it includes 10-30 per cent by weight of cement, 50-80 per cent by weight of water and 10-20 per cent by weight of bentonite silt specific for its liquid limit of at least 150 per cent as determined by the Casagrande method, or for its sorption capacity of at least 12g/100g of bentonite as determined by the methylene blue method.