混凝土结构水渠病害机理分析及新材料喷涂技术研究

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中图分类号：TQ178 文献标志码：A 文章编号：1001-5922（2025）07-0083-04

Abstract：The concrete cover plate of the channel isoperated ina fully enclosed stateallthe year round，and the concrete cover plateof thechannel is affctedby the freeze-thaw cycle in winter，and the concrete atthe bottom of theslab is seriously damaged.Inorderto improvethe lifeof the concrete coverplate and deeplyanalyzethe disease mechanism of the damage effctof the cover plate，according to theoperating environment of the closed water conveyance channel，the comparative method was used to systematically study the development processof the hydration slurry microstructure andthe concrete interface microstructure of the cementitious material in the concrete before and after the test，the deterioration and evolution mechanism of the concrete disease of theclosed channel were revealed，and the research on the treatment of concrete cover plate disease by spraying cement-based permeable crystalline waterproof materials was cariedout，soas to provide technical support forimproving orreinforcing the closed water conveyance channel.

Key words：closed water transmision channel;concrete cover plate;freeze-thaw cycle；disease mechanism；penetrating crystalline materials

利用原开敞式灌溉渠道，进行覆盖、防渗处理，改造为封闭式生活供水渠道，有利于保障输送水的质量和效能，但在封闭式的特殊运行环境下，混凝土建筑物受冻融循环1作用破坏严重。（剩余5313字）