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A platform for research: civil engineering, architecture and urbanism
Reinforced fiber anti-cracking steel bar sleeve grouting material and preparation method thereof
The invention provides a reinforced fiber anti-cracking steel bar sleeve grouting material and a preparation method thereof, and relates to the technical field of concrete materials. The grouting material is prepared from the following raw materials in parts by weight: 37 to 55 parts of sandstone, 26 to 36 parts of cement, 0.5 to 1.6 parts of gypsum, 5.8 to 11.6 parts of slag powder, 1.3 to 6.6 parts of pulverized coal ash, 0.4 to 4.0 parts of silica powder, 0.3 to 0.5 part of a water reducing agent, 0.02 to 0.04 part of a defoaming agent, 0.03 to 0.05 part of a retarder, 0.03 to 0.05 part ofan expanding agent and 0.06 to 0.09 part of reinforcing fibers. The cement is a combination of sulphoaluminate cement and Portland cement, the mass percent of the sulphoaluminate cement in the cementis 10%-30%, and the mass percent of the Portland cement in the cement is 70%-90%. The grouting material disclosed by the invention has the properties of good fluidity, high early strength, micro-expansion crack resistance, repeated tension and compression resistance and the like, and is suitable for connection construction of fabricated concrete structures.
本发明提供一种增强纤维抗裂钢筋套筒灌浆料及其制备方法，涉及混凝土材料技术领域。本发明的灌浆料包括以下重量份原料：砂石37～55份，水泥26～36份，石膏0.5～1.6份，矿渣粉5.8～11.6份，煤粉灰1.3～6.6份，硅微粉0.4～4.0份，减水剂0.3～0.5份，消泡剂0.02～0.04份，缓凝剂0.03～0.05份，膨胀剂0.03～0.05份，增强纤维0.06～0.09份；所述水泥选用硫铝酸盐水泥和硅酸盐水泥的组合，所述水泥中硫铝酸盐水泥的质量百分数为10％～30％，硅酸盐水泥的质量百分数为70％～90％。本发明的灌浆料具有流动性好、高早强、微膨胀抗裂性、抗反复拉压等性能，适用于装配式混凝土结构连接施工。
Reinforced fiber anti-cracking steel bar sleeve grouting material and preparation method thereof
The invention provides a reinforced fiber anti-cracking steel bar sleeve grouting material and a preparation method thereof, and relates to the technical field of concrete materials. The grouting material is prepared from the following raw materials in parts by weight: 37 to 55 parts of sandstone, 26 to 36 parts of cement, 0.5 to 1.6 parts of gypsum, 5.8 to 11.6 parts of slag powder, 1.3 to 6.6 parts of pulverized coal ash, 0.4 to 4.0 parts of silica powder, 0.3 to 0.5 part of a water reducing agent, 0.02 to 0.04 part of a defoaming agent, 0.03 to 0.05 part of a retarder, 0.03 to 0.05 part ofan expanding agent and 0.06 to 0.09 part of reinforcing fibers. The cement is a combination of sulphoaluminate cement and Portland cement, the mass percent of the sulphoaluminate cement in the cementis 10%-30%, and the mass percent of the Portland cement in the cement is 70%-90%. The grouting material disclosed by the invention has the properties of good fluidity, high early strength, micro-expansion crack resistance, repeated tension and compression resistance and the like, and is suitable for connection construction of fabricated concrete structures.
本发明提供一种增强纤维抗裂钢筋套筒灌浆料及其制备方法，涉及混凝土材料技术领域。本发明的灌浆料包括以下重量份原料：砂石37～55份，水泥26～36份，石膏0.5～1.6份，矿渣粉5.8～11.6份，煤粉灰1.3～6.6份，硅微粉0.4～4.0份，减水剂0.3～0.5份，消泡剂0.02～0.04份，缓凝剂0.03～0.05份，膨胀剂0.03～0.05份，增强纤维0.06～0.09份；所述水泥选用硫铝酸盐水泥和硅酸盐水泥的组合，所述水泥中硫铝酸盐水泥的质量百分数为10％～30％，硅酸盐水泥的质量百分数为70％～90％。本发明的灌浆料具有流动性好、高早强、微膨胀抗裂性、抗反复拉压等性能，适用于装配式混凝土结构连接施工。
Reinforced fiber anti-cracking steel bar sleeve grouting material and preparation method thereof
一种增强纤维抗裂钢筋套筒灌浆料及其制备方法
ZHU WEN (author) / HUANG SHIMING (author) / TANG MENGXIONG (author) / ZHAO RUYING (author) / ZHANG SHUO (author) / ZHANG XIANYUAN (author)
2020-11-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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