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Применить Всего найдено 2. Отображено 2.
02-06-2010 дата публикации

High-performance concrete for high-speed railway passenger special line plate type unballasted track

Номер: CN0101717227A
Автор: GU YONGLEI, LI ANJIE, LI XINGWANG, REN SHANGHUA, XI ZHONGWEI, XU CHUANBO, ZHAO GUOTANG, ZHU JIANLI, YONGLEI GU, ANJIE LI, XINGWANG LI, SHANGHUA REN, ZHONGWEI XI, CHUANBO XU, GUOTANG ZHAO, JIANLI ZHU
Принадлежит:

The invention discloses a high-performance concrete for high-speed railway passenger dedicated line plate type unballasted track, which comprises cement, ore powder, fly ash, fine aggregates, coarse aggregates, admixture and water and is characterized by comprising the components in percentage by weight: 15-18 percent of the cement, 1.5-2.5 percent of the ore powder, 0.8-1.5 percent of the fly ash, 24-29 percent of the fine aggregates, 44-49 percent of the coarse aggregates, 1.2-1.5 percent of the admixture and 5-5.7 percent of the water. In the invention, the production cost is low, the structure durability of the concrete is enhanced, and the durability indexes accord with the requirements of national standard specifications of China.

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Номер записи: 1
29-08-2012 дата публикации

High-performance concrete for high-speed railway passenger special line plate type unballasted track

Номер: CN0101717227B
Автор: YONGLEI GU, ANJIE LI, XINGWANG LI, SHANGHUA REN, ZHONGWEI XI, CHUANBO XU, GUOTANG ZHAO, JIANLI ZHU, GU YONGLEI, LI ANJIE, LI XINGWANG, REN SHANGHUA, XI ZHONGWEI, XU CHUANBO, ZHAO GUOTANG, ZHU JIANLI
Принадлежит:

The invention discloses a high-performance concrete for high-speed railway passenger dedicated line plate type unballasted track, which comprises cement, ore powder, fly ash, fine aggregates, coarse aggregates, admixture and water and is characterized in that: the ore powder is S95-S115 grinding ore powder, the admixture is non-delayed coagulation type polycarboxylic acid admixture with a slushing rate of 25%-35%, the cement occupies 15%-18% of the total weight, S95-S115 grinding ore powder occupies 1.5%-2.5% of the total weight, the fly ash occupies 0.8%-1.5% of the total weight, the fine aggregates occupy 24%-29% of the total weight, the coarse aggregates occupy 44%-49% of the total weight, the non-delayed coagulation type polycarboxylic acid admixture with a slushing rate of 25%-35% occupies 1.2%-1.5% of the weight of the cementing materials, and the water occupies 5%-5.7% of the total weight. In the invention, the production cost is low, the structure durability of the concrete is enhanced ...

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Номер записи: 2