Fujiang Bridge
该桥的预应力混凝土主梁采用双边箱开口型截面,梁高2m,主梁纵向预应力筋采用24Φ5的钢丝索、弗式锚,下缘正弯矩由非预应力筋承受,腹板中设竖向预应力钢筋。斜拉索为扇形双索面体系,索距9m,斜拉索由36根Φ5钢丝束组成,采用镦头锚,张拉后即涂沥青包玻璃丝布,全桥安装完毕后再加3层环氧树脂间绕3层玻璃丝布,外缠Φ3.2螺旋钢筋,压注水泥浆并刷漆防护。桥塔采用双柱门式钢筋混凝土结构,桥面以上高30m,塔柱从上到下为1.2mx2.0m的矩形等截面,塔顶以下2m处和上下段塔柱的转折处各设一根横梁。该桥的主梁采用挂篮悬臂浇筑。于1980年建成。
交通部重庆公路科学研究所、四川省公路设计院设计,四川省绵阳地区养路总段施工。
Location: Santai, Sichuan Prov.
Main span: 128m
· 56+128+56(m) P.C. cable-stayed highway bridge with 2 pylons
· Pylon, girder and pier rigidly connected. Girder-2 side open box girders
· Cable-Fan-type, Ø5mm steel wire cables with button-head anchorages, glass fiber fabrics with epoxy resin coating protection
· Erected by cantilever casting
Completed in 1980
Designed by Chongqing Highway Research Institute, Ministry of Communications, Highway Design Institute of Sichuan Prov.
Constructed by Mianyang Highway Section