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The invention discloses a shrinkage-free ultrahigh-strength regenerated grouting material and a preparation method thereof, and the shrinkage-free ultrahigh-strength regenerated grouting material is prepared from the following components in parts by weight: 350-375 parts of PII52.5-grade cement, 35-42 parts of fly ash microbeads, 60-80 parts of S95 mineral powder, 24-35 parts of Elkine silica fume, 320-360 parts of quartz sand and quartz powder, 135-170 parts of crushed regenerated concrete fragments, 4-8 parts of a polycarboxylic acid water reducer, 0.1-0.5 part of a defoaming agent, 0.2-0.4 part of a micro-expansion agent, and 50 to 60 parts of steel fibers; the diameter of the crushed recycled concrete fragments is 1-2 cm, and the long diameter of the steel fibers is 13 mm * 0.22 mm. The shrinkage-free ultrahigh-strength regenerated grouting material disclosed by the invention has the advantages of ultrafast coagulation strength, ultrahigh durability and ultrahigh mechanical properties.
本发明公开了一种无收缩超高强再生灌浆料及其制备方法，按照重量份计算，由以下组分制成：PII52.5级水泥350‑375份，粉煤灰微珠35‑42份，S95矿粉60‑80份，埃肯硅灰24‑35份，石英砂+石英粉320‑360份，破碎再生混凝土碎块135‑170份，聚羧酸减水剂4‑8份，消泡剂0.1‑0.5份，微膨胀剂0.2‑0.4份，钢纤维50‑60份；破碎再生混凝土碎块的直径为1cm‑2cm，钢纤维长径为13mm*0.22mm。本发明无收缩超高强再生灌浆料，具备超快的凝结强度、超高的耐久性和超高的力学性能。
The invention discloses a shrinkage-free ultrahigh-strength regenerated grouting material and a preparation method thereof, and the shrinkage-free ultrahigh-strength regenerated grouting material is prepared from the following components in parts by weight: 350-375 parts of PII52.5-grade cement, 35-42 parts of fly ash microbeads, 60-80 parts of S95 mineral powder, 24-35 parts of Elkine silica fume, 320-360 parts of quartz sand and quartz powder, 135-170 parts of crushed regenerated concrete fragments, 4-8 parts of a polycarboxylic acid water reducer, 0.1-0.5 part of a defoaming agent, 0.2-0.4 part of a micro-expansion agent, and 50 to 60 parts of steel fibers; the diameter of the crushed recycled concrete fragments is 1-2 cm, and the long diameter of the steel fibers is 13 mm * 0.22 mm. The shrinkage-free ultrahigh-strength regenerated grouting material disclosed by the invention has the advantages of ultrafast coagulation strength, ultrahigh durability and ultrahigh mechanical properties.
本发明公开了一种无收缩超高强再生灌浆料及其制备方法，按照重量份计算，由以下组分制成：PII52.5级水泥350‑375份，粉煤灰微珠35‑42份，S95矿粉60‑80份，埃肯硅灰24‑35份，石英砂+石英粉320‑360份，破碎再生混凝土碎块135‑170份，聚羧酸减水剂4‑8份，消泡剂0.1‑0.5份，微膨胀剂0.2‑0.4份，钢纤维50‑60份；破碎再生混凝土碎块的直径为1cm‑2cm，钢纤维长径为13mm*0.22mm。本发明无收缩超高强再生灌浆料，具备超快的凝结强度、超高的耐久性和超高的力学性能。
Shrinkage-free ultrahigh-strength regenerated grouting material and preparation method thereof
一种无收缩超高强再生灌浆料及其制备方法
HU QIWEN (author)
2021-10-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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