A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Sodium silicate composite self-repairing concrete structure and preparation method thereof
The invention discloses a sodium silicate composite self-repairing concrete structure which comprises a concrete member, and a sodium silicate repairing agent, a capillary crystalline material and PVAfibers are uniformly distributed in the concrete member. The invention also provides a preparation method of the sodium silicate composite self-repairing concrete structure. The preparation method comprises the steps: preparing the sodium silicate repairing agent; designing a concrete mixing ratio, and determining the mixing amounts of the sodium silicate repairing agent, the capillary crystalline material and the PVA fibers; and uniformly doping the sodium silicate repairing agent into concrete, and doping the capillary crystalline material and the PVA fiber cement into the concrete together. According to the invention, the mechanical property and crack resistance of the concrete structure can be improved, and the concrete structure has damage self-repairing capability, so that the safety, durability and economy of the concrete structure are improved.
本发明公开了一种硅酸钠复合型自修复混凝土结构，包括混凝土构件，所述混凝土构件内均匀分布有硅酸钠修复剂、渗透结晶材料和PVA纤维。本发明还提供了一种硅酸钠复合型自修复混凝土结构的制备方法，制作硅酸钠修复剂；设计混凝土配合比，确定硅酸钠修复剂、渗透结晶材料和PVA纤维的掺量；将所述硅酸钠修复剂均匀地掺入混凝土中，所述渗透结晶材料和所述PVA纤维水泥一起掺入混凝土中；本发明能提高混凝土结构的力学性能和抗裂性，且使其具备损伤自修复的能力，从而提高混凝土的结构的安全性、耐久性和经济性。
Sodium silicate composite self-repairing concrete structure and preparation method thereof
The invention discloses a sodium silicate composite self-repairing concrete structure which comprises a concrete member, and a sodium silicate repairing agent, a capillary crystalline material and PVAfibers are uniformly distributed in the concrete member. The invention also provides a preparation method of the sodium silicate composite self-repairing concrete structure. The preparation method comprises the steps: preparing the sodium silicate repairing agent; designing a concrete mixing ratio, and determining the mixing amounts of the sodium silicate repairing agent, the capillary crystalline material and the PVA fibers; and uniformly doping the sodium silicate repairing agent into concrete, and doping the capillary crystalline material and the PVA fiber cement into the concrete together. According to the invention, the mechanical property and crack resistance of the concrete structure can be improved, and the concrete structure has damage self-repairing capability, so that the safety, durability and economy of the concrete structure are improved.
本发明公开了一种硅酸钠复合型自修复混凝土结构，包括混凝土构件，所述混凝土构件内均匀分布有硅酸钠修复剂、渗透结晶材料和PVA纤维。本发明还提供了一种硅酸钠复合型自修复混凝土结构的制备方法，制作硅酸钠修复剂；设计混凝土配合比，确定硅酸钠修复剂、渗透结晶材料和PVA纤维的掺量；将所述硅酸钠修复剂均匀地掺入混凝土中，所述渗透结晶材料和所述PVA纤维水泥一起掺入混凝土中；本发明能提高混凝土结构的力学性能和抗裂性，且使其具备损伤自修复的能力，从而提高混凝土的结构的安全性、耐久性和经济性。
Sodium silicate composite self-repairing concrete structure and preparation method thereof
一种硅酸钠复合型自修复的混凝土结构及其制备方法
MA JIANFENG (author) / LI JING (author) / WEI XINYI (author) / TU JIAN (author) / WEI JINYI (author)
2021-03-09
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2022
| European Patent Office | 2021
Self-repairing hydrophobic concrete and preparation method thereof
| European Patent Office | 2023