FINE-GRAINED CONCRETE BASED ON BINDERS THAT REQUIRE LESS WATER
Keywords:
mineral fillers, expansion of cement stone, calcium hydrosulfoaluminate, composite binder, microfiller, structure formation of cement stone, fine-grained concrete.Abstract
The widespread introduction of fine-grained concretes (FGCC) into the practice of monolithic housing construction is limited by their low crack resistance due to significant shrinkage. In order to study the processes of structure formation and properties of FGCC, concrete mixtures were made based on quartz sand of medium grain size, dispersed fly ash and an expanding additive. The activity of fly ash increased due to mechanochemical activation, the dispersion of particles was controlled using the method of laser granulometry.
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