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  • Sand for construction works and technogenic sands

    One of the important components of building mixtures and concretes is sand. Sand is the most readily available raw material. In many countries sand mining is environmentally damaging or in short supply. Some countries have to buy sand. To replace building sands, various wastes are offered during crushing and grinding, screenings of concrete and brick scrap. Desert sand is not always suitable for building mixes due to its physical properties. Technogenic sands are very different in their origin, formation conditions, chemical and mineral composition, structure and properties. To determine the applicability of a sand substitute, it is required to conduct research on technogenic sand and products based on it.

    Keywords: sand extraction, technogenic sands, concrete scrap crushing screening, brick scrap crushing screening, enrichment waste