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Ultra-high Performance Concrete Composition With Low Shrinkage And Method for Manufacturing Ultra-high Performance Concrete Using the Same
Ultra-high Performance Concrete Composition With Low Shrinkage And Method for Manufacturing Ultra-high Performance Concrete Using the Same
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机译：低收缩率的超高性能混凝土组合物及使用该组合物制造超高性能混凝土的方法
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摘要
The present invention relates to a shrinkage-reducing ultra-high strength concrete composition and a manufacturing method for ultra-high strength concrete using the same, wherein the concrete composition can improve durability of a concrete structure by significantly improving mechanical performance compared with the existing cement concrete and, at the same time, having excellent shrinkage-reducing performance. The shrinkage-reducing ultra-high strength concrete composition is composed of: 20-30 parts by weight of silica fume; 30-40 parts by weight of crushed quartz; 100-120 parts by weight of silica sand; 0.05-0.15 part by weight of carbon nanotube (CNT); 1.5-2.5 parts by weight of nanosilica; 1-10 parts by weight of a CSA expanding agent; 0.1-3 parts by weight of a shrinkage reducing agent; 2-5 parts by weight of a fluidizing agent; 1.5-2.5 vol% of a steel fiber; and 21-24 parts by weight of water with respect to 100 parts by weight of cement.
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