Abstract
The effect of surfactants and water-cement ratio on the abrasion resistance of hydraulic concrete are presented. A series of laboratory tests and field surveys of hydraulic structures were carried out to determine the effect of various factors on the wear resistance of hydraulic concrete to abrasive effects. The basic studies of abrasion of mortar and concretes were carried out at the Portland cement of the Shymkent plant without active mineral and filler additives with activity in 28 days 462 kg/cm2 , a specific surface area of 2740 cm2 /g. In addition, Portland cement from the Karaganda plant was used, with an activity of 28 days 431 kg/cm2 , and a specific surface area of 3450 cm2 /g. The presence of dependencies of the abrasion of concrete on several factors was established: water-cement ratio and strength, the type of filler, the fineness of cement grinding, the age of the samples, the use of surfactant additives, and the method of laying
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