中文摘要：

以遵贵扩容高速公路乌江特大桥为背景,研究超宽分离式混凝土双边箱斜拉桥主要结构特点和典型病害。通过对国内外类似结构养护管理技术的调研及养护管理经验的总结,结合项目特点,对超宽分离式混凝土双边箱斜拉桥养护的要点进行分析探讨,以期为类似斜拉桥科学化管理养护奠定基础。

英文摘要：

The main structural features and typical diseases of cable - stayed bridge with super - wide separated concrete side - boxes girder are studied based on the Wujiang bridge on the expansion expressway from Zunyi to Guiyang. In order to lay the foundation for scientific maintenance and management of similar cable - stayed bridges,the maintenance key points of the cable - stayed bridge with super - wide separated concrete side - boxes girder are analyzed and discussed combined with the characteristics of Wujiang bridge and through the research and experience of similar structure maintenance technology at home and abroad.