论文部分内容阅读
水工钢闸门的防腐工作是水利工程管理的重要内容。目前钢结构防腐方法较多，其中被广泛应用的有金属喷镀、涂料保护、阴极保护和玻璃钢保护等。选择防腐方法时，既要力求获得较好的保护效果和较长的保护期效，又要考虑材料、设备的可能性和成本的高低，还要因地制宜。根据京密引水工程闸门小而多，又过于分散的特，自１９８１年以来采用喷砂表面处理──涂装ＡＣ－１５氯化橡胶铝粉防锈漆和ＨＯ６－４环氧富锌漆的施工工艺，先后对１７座３４孔钢闸门进行防腐保护，效果显著。其中怀柔水库西溢洪道闸门已运行１５年之久，仍完好无锈蚀，此法较之金属喷镀、阴板保护、玻璃钢保护有设备简单，工艺操作简便，造价低，适用广泛等优点。只要在施工中严格掌握表面处理、涂装两个工艺和选用适合闸门环境特点的高性能涂料，采用涂料保护的防腐方法，同样能获得较好的保护效果。
Corrosion protection of hydraulic steel gate is an important part of water conservancy project management. At present, there are many anticorrosive methods for steel structures, among which metallization, coating protection, cathodic protection and FRP protection are widely used. Select anti-corrosion method, it is necessary to strive to obtain better protection and longer protection period, but also consider the material, equipment, the possibility of high and low costs, but also according to local conditions. According to the Jingmin water diversion project gate is small and too small, too scattered, especially since 1981 sandblasting surface treatment ─ ─ coated with AC-15 chlorinated rubber anti-rust aluminum paint and HO6-4 epoxy zinc-rich paint Construction technology, has 17 34-hole steel gate corrosion protection, the effect is remarkable. Huairou Reservoir West spillway gate which has been running for 15 years, still intact no rust, this method than the metal spraying, the protection of the plate, FRP protection equipment is simple, the process is simple, low cost, wide application and so on. As long as the construction strictly control the surface treatment, coating two processes and selection of suitable gate environment characteristics of high-performance coatings, the use of anti-corrosion coating protection methods, the same can get better protection.