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贵阳至瓮安高速公路上的清水河大桥是世界上最大单跨板桁结合加劲梁悬索桥,亚洲第一的山区双塔单跨钢桁悬索桥,基于“高湿度和恶劣气候的工业区”的桥梁使用环境,其防腐涂装体系寿命不少于25年。本文主要阐述各工序施工要求及质量控制项点,所用方法能较好地保证施工质量,满足涂装的防腐要求。
Qingshuihe Bridge on the highway from Guiyang to Weng’an is the world’s largest suspension bridge with single girder truss girders and the first double-tower single-span steel-truss suspension bridge in the mountains in Asia. Based on the industrial zone of high humidity and bad weather, Of the bridge environment, the anti-corrosion coating system life of not less than 25 years. This paper mainly elaborates the construction requirements and quality control points of each process. The methods used can better ensure the construction quality and meet the anti-corrosion requirements of coating.