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Jinsha River and Yachi River Bridge on Chengdu-Guizhou Railway
Release time:2019-06-06 10:22:08 Number of visits:

 新建铁路成都至贵阳线乐山至贵阳段西起四川省的乐山市,向东南经四川省的犍为县、宜宾市、长宁县、兴文县,云南省的威信县、镇雄县,贵州省的毕节市、大方县、黔西县,东至贵阳市。
金沙江特大桥位于四川宜宾市,采用公铁合建方案跨越金沙江,双层桥面,主拱横向间距28.5m,上层桥面为四线高速铁路,下层为六车道城市快速主干道,两侧均设置人行道。鸭池河特大桥位于贵州,主桥为中承式钢-砼结合拱桥,拱肋采用钢-砼结合拱方案,拱上立柱采用双柱式框架墩,主梁采用单箱双室预应力混凝土梁
大桥共采用了12 套粘滞阻尼器,产品型号及参数如下表所示:




 

序号产品型号产品参数
1OTP 365/500阻尼力F=3650kN,位移量 S=±250mm
2OTP 100/400阻尼力F=1000kN,位移量 S=±200mm


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