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1 概况都格大桥位于贵州省水城县都格乡境内,是云贵响水水电站重要的附属工程,同时也是该水电站交通的咽喉工程。大桥结构形式为预应力钢筋混凝土桁式组合拱,全长195m,总高32m。大桥的地勘单位为贵州省有色金属地质勘察公司,设计单位系贵州省林业勘察设计院,施工单位为贵州省宏达路桥工程公司,建设单位是云贵响水电站工程建设总指挥部。1994年2月开工,1995年10月竣工。经云贵两省主管部门主持验收,工程质量合格率为100%,优良率达到98%,工程质量等级评定为优良。2 技术标准大桥的跨径:岸孔27m+主孔100m+岸孔27m,全长195m,总高32m。主孔为
1 Overview The Duge Bridge is located in the territory of Duge Township, Shuicheng County, Guizhou Province, and is an important ancillary project of Yunghui Xiangshui Hydropower Station. It is also the throat project of the hydropower station traffic. The structure of the bridge is a prestressed reinforced concrete truss composite arch with a total length of 195m and a total height of 32m. The geological exploration unit of the bridge is the non-ferrous metal geological prospecting company of Guizhou Province. The design unit is Guizhou Provincial Forestry Investigation and Design Institute. The construction unit is Hongda Road & Bridge Engineering Company of Guizhou Province. The construction unit is the general headquarters of Yungui Hydropower Station. Started in February 1994, completed in October 1995. The competent department of Yunnan and Guizhou presided over the inspection and acceptance, the engineering quality pass rate was 100%, the excellent and good rate reached 98%, and the engineering quality level was rated as excellent. 2 Technical standards Bridge span: shore hole 27m + main hole 100m + shore 27m, full-length 195m, total height 32m. The main hole is