Quick-hardening concrete repairing material based on nanometer material

The invention relates to the technical field of building materials, and discloses a nano-material-based quick-hardening concrete repairing material which comprises the following components in parts by weight: 100-120 parts of cement, 120-140 parts of sand, 1-2 parts of nano silicon dioxide, 2-6 parts of anhydrous calcium sulphoaluminate powder, 1-2 parts of nano calcium carbonate powder, 0.01-0.06 part of carbon nanotubes, 1-5 parts of calcium hydroxide powder and 0.1-0.4 part of water reducing agent powder. The adhesive has good bonding strength and relatively excellent anti-seepage performance, and can be used for rapid repairing and repairing operation of underground engineering structures. 本申请涉及建筑材料技术领域，公开了一种基于纳米材料的快硬型混凝土修补材料，包括以下重量份数的组分：水泥100～120份、砂120～140份、纳米二氧化硅1～2份、无水硫铝酸钙粉末2～6份、纳米碳酸钙粉末1～2份、碳纳米管0.01～0.06份、氢氧化钙粉末1～5份、减水剂粉末0.1～0.4份。本申请具有良好的粘接强度以及较位优异的抗渗性能，可用于地下工程结构的快速修复、修补作业。