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A platform for research: civil engineering, architecture and urbanism
Rapid concrete repairing material and preparation method thereof
The invention discloses a rapid concrete repairing material and a preparation method thereof. The repairing material is prepared by mixing cement, slag, silica fume, medium-grade sand, an alkaline activator (NaOH and Na2SiO3) and water. The content of each component in percentage by mass is as follows: 10%-16.7% of Portland cement, 14%-20.7% of slag, 2.7% of silica fume, 66.7% of medium-grade sand, 0.3% of NaOH or 1% of Na2SiO3, and the mass ratio of water to the cementing material is 0.5. The material provided by the invention has the characteristics of fast coagulation and high bonding strength, can realize rapid repairing of concrete, has the advantages of easily available raw materials, low cost, freeze thawing resistance, corrosion resistance, good long-term performance and the like.
本发明公开了一种混凝土快速修补材料及其制备方法，该修补材料由水泥、矿渣、硅灰、中级砂、碱性激发剂(NaOH、Na2SiO3)、水拌合而成。按质量分数计各组分含量，硅酸盐水泥：10％‑16.7％，矿渣：14％‑20.7％，硅灰：2.7％，中级砂：66.7％，NaOH：0.3％或Na2SiO3：1％，水与胶凝材料质量比为0.5。本发明材料具有凝结快、粘结强度高的特点，能够实现混凝土的快速修复且原材料易得成本低廉，同时还具有抗冻融、耐腐蚀、长期性能好等优点。
Rapid concrete repairing material and preparation method thereof
The invention discloses a rapid concrete repairing material and a preparation method thereof. The repairing material is prepared by mixing cement, slag, silica fume, medium-grade sand, an alkaline activator (NaOH and Na2SiO3) and water. The content of each component in percentage by mass is as follows: 10%-16.7% of Portland cement, 14%-20.7% of slag, 2.7% of silica fume, 66.7% of medium-grade sand, 0.3% of NaOH or 1% of Na2SiO3, and the mass ratio of water to the cementing material is 0.5. The material provided by the invention has the characteristics of fast coagulation and high bonding strength, can realize rapid repairing of concrete, has the advantages of easily available raw materials, low cost, freeze thawing resistance, corrosion resistance, good long-term performance and the like.
本发明公开了一种混凝土快速修补材料及其制备方法，该修补材料由水泥、矿渣、硅灰、中级砂、碱性激发剂(NaOH、Na2SiO3)、水拌合而成。按质量分数计各组分含量，硅酸盐水泥：10％‑16.7％，矿渣：14％‑20.7％，硅灰：2.7％，中级砂：66.7％，NaOH：0.3％或Na2SiO3：1％，水与胶凝材料质量比为0.5。本发明材料具有凝结快、粘结强度高的特点，能够实现混凝土的快速修复且原材料易得成本低廉，同时还具有抗冻融、耐腐蚀、长期性能好等优点。
Rapid concrete repairing material and preparation method thereof
一种混凝土快速修补材料及其制备方法
ZHANG JINXI (author) / DING BO (author) / NIU YANAN (author) / WANG XING (author)
2021-05-11
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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