FIELD: building materials industry. SUBSTANCE: present invention describes method of preparing concrete, mixture components for making concrete and products made from said concrete. Concrete is prepared by stirring mixture containing cement, fine sand, amorphous silicon dioxide, crushed quartz, "wool" from steel, thinning agent and water in desired ratios, and after setting, concrete is heat treated at temperature of at least 250 C. EFFECT: more efficient preparation method. 21 cl, 5 dwg
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