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Fabrication of molded building material used in civil engineering comprises blending e.g., quarry shippings, white cement and water in a concrete mixer
Fabrication of molded building material used in civil engineering comprises blending e.g., quarry shippings, white cement and water in a concrete mixer
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机译:用于土木工程的模制建筑材料的制造包括在混凝土搅拌机中混合例如采石场运输,白水泥和水
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摘要
Fabrication of molded building material comprises blending in a concrete mixer e.g. quarry shippings 65-85, with white cement 5-20 and water 5-20 per cent by weight respectively. 0.2-0.8 micron quarry shippings are used with agglutinants, 2-5 per cent, and powder-form coloring agents. In an EMBODIMENT of the invention, mixing for 3-5 minutes after homogenization of the blend is followed by 10-30 seconds molding at a pressure of 2-8 kilograms per square centimeter, e.g. by manual means, and three to seven days curing in air.
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