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A platform for research: civil engineering, architecture and urbanism
Bridge concrete repairing material and repairing method
The invention discloses a bridge concrete repairing material which is prepared from modified epoxy resin, a curing agent, powder and a thixotropic agent, the modified epoxy resin is prepared by mixing 100 parts of liquid epoxy resin, 10 to 15 parts of 1, 4-butanediol diglycidyl ether, 10 to 20 parts of polypropylene glycol diglycidyl ether and 5 to 10 parts of benzyl alcohol; the curing agent is prepared by mixing 100 parts of cardanol aldehyde amine, 20 to 25 parts of N-aminoethyl piperazine, 20 to 30 parts of polyether amine D230 and 3 to 5 parts of 2, 4, 6-tri (dimethylaminomethyl) phenol; the powder material is formed by mixing 100 parts of ceramic powder, 0-100 parts of quartz powder and 50-100 parts of diabase powder; the thixotropic agent is organic bentonite. The invention further discloses a bridge concrete repairing method, the repairing material is not prone to cracking under the long-term dynamic load of vehicles passing through a bridge floor and the internal and external temperature difference of a bridge structure, and the long-term repairing effect can be achieved.
一种桥梁混凝土修复材料，由改性环氧树脂、固化剂、粉料和触变剂组成；所述改性环氧树脂，由液体环氧树脂100份、1,4‑丁二醇二缩水甘油醚10～15份、聚丙二醇二缩水甘油醚10～20份、苯甲醇5～10份混合而成；所述固化剂，由腰果酚醛胺100份、N‑氨乙基哌嗪20～25份、聚醚胺D230 20～30份、2,4,6‑三(二甲胺基甲基)苯酚3～5份混合而成；粉料，由陶瓷粉100份、石英粉0～100份、辉绿岩粉50～100份混合而成；所述触变剂为有机膨润土。本发明还公开了一种桥梁混凝土修复方法，本发明的修复材料在桥面通行车辆的长期动载和桥梁结构的内外温度差异下不容易开裂，可以起到长久的修复效果。
Bridge concrete repairing material and repairing method
The invention discloses a bridge concrete repairing material which is prepared from modified epoxy resin, a curing agent, powder and a thixotropic agent, the modified epoxy resin is prepared by mixing 100 parts of liquid epoxy resin, 10 to 15 parts of 1, 4-butanediol diglycidyl ether, 10 to 20 parts of polypropylene glycol diglycidyl ether and 5 to 10 parts of benzyl alcohol; the curing agent is prepared by mixing 100 parts of cardanol aldehyde amine, 20 to 25 parts of N-aminoethyl piperazine, 20 to 30 parts of polyether amine D230 and 3 to 5 parts of 2, 4, 6-tri (dimethylaminomethyl) phenol; the powder material is formed by mixing 100 parts of ceramic powder, 0-100 parts of quartz powder and 50-100 parts of diabase powder; the thixotropic agent is organic bentonite. The invention further discloses a bridge concrete repairing method, the repairing material is not prone to cracking under the long-term dynamic load of vehicles passing through a bridge floor and the internal and external temperature difference of a bridge structure, and the long-term repairing effect can be achieved.
一种桥梁混凝土修复材料，由改性环氧树脂、固化剂、粉料和触变剂组成；所述改性环氧树脂，由液体环氧树脂100份、1,4‑丁二醇二缩水甘油醚10～15份、聚丙二醇二缩水甘油醚10～20份、苯甲醇5～10份混合而成；所述固化剂，由腰果酚醛胺100份、N‑氨乙基哌嗪20～25份、聚醚胺D230 20～30份、2,4,6‑三(二甲胺基甲基)苯酚3～5份混合而成；粉料，由陶瓷粉100份、石英粉0～100份、辉绿岩粉50～100份混合而成；所述触变剂为有机膨润土。本发明还公开了一种桥梁混凝土修复方法，本发明的修复材料在桥面通行车辆的长期动载和桥梁结构的内外温度差异下不容易开裂，可以起到长久的修复效果。
Bridge concrete repairing material and repairing method
一种桥梁混凝土修复材料及修复方法
WANG FUXIE (author) / ZENG JUANJUAN (author) / LI SHIQIANG (author)
2024-04-16
Patent
Electronic Resource
Chinese
Color-adjustable graded polyurethane concrete rapid repairing material for bridge deck repairing
| European Patent Office | 2024