FIELD: chemistry.
SUBSTANCE: invention relates to compositions of crude mixtures which can be used in making artificial porous aggregate for concrete. The crude mixture for making artificial porous aggregate contains the following in wt %: clay material 97.8-98.0; waste paper which is first soaked in water for 12-36 hours and then crushed to a pappy mass 1.85-4.85; liquid glass 0.15-0.18.
EFFECT: high strength of the obtained porous aggregate.
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