Technogenic wastes, which utilization is an urgent issue in developed countries, is quite interesting for the production of fine-ground filler used to produce modern high quality concrete. The amount of technogenic waste (or technogenic raw materials, secondary raw materials) is so big that some sources refer to it as to the technogenic raw materials base for the production of composite concrete.
Keywords-concrete mix, superplasticizer, technogenic raw materials, concrete scrap, crushed brick, ash and slag waste, quartz sand, filler, efficiency, water gain of concrete mixI.
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