电弧喷铝涂层的保护极限及钢箱梁桥大面积长效防腐  

Utmost Protective Life of Arc Spray Al Coating and Large Area Long Term Anti-corrosion for Steel Box Girder Bridge

作　　者：陈建阳[1] 肖跃文[1] 李雄晖[1] 沈承金[2] 

机构地区：[1]湖北省京珠高速公路建设指挥部,湖北武汉430040 [2]中国矿业大学大正表面新技术公司,江苏徐州221008

出　　处：《桥梁建设》2001年第1期32-34,40,共4页Bridge Construction

摘　　要：结合武汉军山长江公路大桥钢箱梁防腐 ,分析大气腐蚀环境和影响因素 ,研究电弧喷铝涂层腐蚀失效机理和耐腐蚀性 ,确定电弧喷铝涂层有效保护的极限涂层厚度和极限涂层破损率 ,并针对钢箱梁桥特点 ,设计制作机械化电弧喷涂设备 ,进行大面积长效防腐施工。In terms of the protective for steel box girder of Wuhan Junshan Changjiang Bridge, atmospheric corrosion environment and influencing factors are analyzed, invalidation mechanism of arc spray Al coating due to corrosion and ability for anti-corrosion are studied, utmost thickness of arc spray Al coating for effective protection and utmost breakage rate of coating are determined. Automatic arc spray equipments are designed and made for large area long term anti-corrosion.

关 键 词：钢桥 箱形梁 电弧喷铝涂层 机械化喷涂 防腐 

分 类 号：U448.367.3[建筑科学—桥梁与隧道工程]