Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Long-durability expansion anti-cracking agent for concrete, preparation method and anti-cracking concrete
The invention relates to a long-durability expansion anti-cracking agent for concrete, a preparation method and anti-cracking concrete.The long-durability expansion anti-cracking agent comprises, by mass, 60%-90% of microcapsules A and 10%-40% of microcapsules B; wherein the microcapsule A comprises a capsule core particle A and a capsule wall coating the outer surface of the capsule core particle A, and the capsule core particle A comprises a mixed expanding agent, microcrystalline cellulose and absolute ethyl alcohol; the mixed expanding agent comprises a calcium oxide expanding agent, a medium-activity magnesium oxide expanding agent and a low-activity magnesium oxide expanding agent; the microcapsule B comprises a capsule core particle B and a capsule wall coating the outer surface of the capsule core particle B, and the capsule core particle B comprises a mixed repairing material, microcrystalline cellulose and absolute ethyl alcohol; the mixed repairing material comprises a calcium oxide expanding agent, a high-activity magnesium oxide expanding agent, sodium silicate and calcined hydrotalcite. According to the method, the problem that the cracking of mass concrete cannot be completely solved by only reducing cracks or repairing the cracks in the prior art can be solved.
本申请涉及一种混凝土用长耐久膨胀抗裂剂、制备方法及抗裂混凝土，按照质量百分比计算，其包括60％～90％微胶囊A和10％～40％微胶囊B；其中，所述微胶囊A包括囊芯颗粒A以及包覆于所述囊芯颗粒A外表面的囊壁，所述囊芯颗粒A包括混合膨胀剂、微晶纤维素和无水乙醇；所述混合膨胀剂包括氧化钙膨胀剂、中活氧化镁膨胀剂和低活氧化镁膨胀剂；所述微胶囊B包括囊芯颗粒B以及包覆于所述囊芯颗粒B外表面的囊壁，所述囊芯颗粒B包括混合修复材料、微晶纤维素和无水乙醇；所述混合修复材料包括氧化钙膨胀剂、高活氧化镁膨胀剂、硅酸钠、煅烧水滑石。本申请可以解决相关技术中仅靠单一减少裂缝产生或修补裂缝的方式都不能完全解决大体积混凝土的开裂问题。
Long-durability expansion anti-cracking agent for concrete, preparation method and anti-cracking concrete
The invention relates to a long-durability expansion anti-cracking agent for concrete, a preparation method and anti-cracking concrete.The long-durability expansion anti-cracking agent comprises, by mass, 60%-90% of microcapsules A and 10%-40% of microcapsules B; wherein the microcapsule A comprises a capsule core particle A and a capsule wall coating the outer surface of the capsule core particle A, and the capsule core particle A comprises a mixed expanding agent, microcrystalline cellulose and absolute ethyl alcohol; the mixed expanding agent comprises a calcium oxide expanding agent, a medium-activity magnesium oxide expanding agent and a low-activity magnesium oxide expanding agent; the microcapsule B comprises a capsule core particle B and a capsule wall coating the outer surface of the capsule core particle B, and the capsule core particle B comprises a mixed repairing material, microcrystalline cellulose and absolute ethyl alcohol; the mixed repairing material comprises a calcium oxide expanding agent, a high-activity magnesium oxide expanding agent, sodium silicate and calcined hydrotalcite. According to the method, the problem that the cracking of mass concrete cannot be completely solved by only reducing cracks or repairing the cracks in the prior art can be solved.
本申请涉及一种混凝土用长耐久膨胀抗裂剂、制备方法及抗裂混凝土，按照质量百分比计算，其包括60％～90％微胶囊A和10％～40％微胶囊B；其中，所述微胶囊A包括囊芯颗粒A以及包覆于所述囊芯颗粒A外表面的囊壁，所述囊芯颗粒A包括混合膨胀剂、微晶纤维素和无水乙醇；所述混合膨胀剂包括氧化钙膨胀剂、中活氧化镁膨胀剂和低活氧化镁膨胀剂；所述微胶囊B包括囊芯颗粒B以及包覆于所述囊芯颗粒B外表面的囊壁，所述囊芯颗粒B包括混合修复材料、微晶纤维素和无水乙醇；所述混合修复材料包括氧化钙膨胀剂、高活氧化镁膨胀剂、硅酸钠、煅烧水滑石。本申请可以解决相关技术中仅靠单一减少裂缝产生或修补裂缝的方式都不能完全解决大体积混凝土的开裂问题。
Long-durability expansion anti-cracking agent for concrete, preparation method and anti-cracking concrete
混凝土用长耐久膨胀抗裂剂、制备方法及抗裂混凝土
YAN YIBIN (Autor:in) / LIU KAIZHI (Autor:in) / GAO LIQIANG (Autor:in) / PENG XUMIN (Autor:in) / LONG YONG (Autor:in) / CHEN LUYI (Autor:in) / PENG JIAHUA (Autor:in) / GUO KAIZHENG (Autor:in) / WANG MIN (Autor:in) / WANG KANGNING (Autor:in)
28.11.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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