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METHOD OF COMPLEX REINFORCEMENT OF CONCRETE BY NONMETALLIC FIBER
METHOD OF COMPLEX REINFORCEMENT OF CONCRETE BY NONMETALLIC FIBER
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机译:非金属纤维对混凝土的复合加固方法
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摘要
FIELD: building materials; manufacture of thin-walled elements. SUBSTANCE: lengths of nonmetallic fiber (up to 4% by volume) are introduced into cement-sand-water mixture in process of mixing. Part of prepared fiber-concrete mixture is placed in mould and vibrated. Mixture spreads under effect of thixotropy in layer of 2-3 mm thick. Then glass roving preliminarily impregnated with cement grout modified with additives is placed on under layer. This done, mould is filled with fiber-concrete mixture up to the top and vibrated again. EFFECT: production material of low specific amount of metal and high strength. 1 dwg
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