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针对大跨度钢箱梁桥防腐涂装的耐久性问题,介绍影响结构涂装的因素和常见病害,结合实例桥梁进行涂装体系维修方案的比较、分析,包括底层、中层及面层的特点、要求及选择,并从工艺、技术及性能方面提出要求,从而得出现阶段合理的涂装维修设计体系,其选择不仅要考虑到结构所处环境,更要考虑养护管理的特点。最后选择经济性、施工可操作性强的防腐体系。
In view of the durability of the anti-corrosion coating of the long-span steel box girder bridge, the factors influencing the structure painting and the common diseases are introduced. The comparison and analysis of the maintenance schemes of the coating system with the example bridge are introduced, including the characteristics of the bottom layer, the middle layer and the surface layer, Requirements and options, and from the technical, technical and performance requirements, which led to the reasonable stage coating design system, the choice of not only to take into account the structure of the environment, but also to consider the characteristics of conservation and management. The last choice of economy, construction and operability of the anti-corrosion system.