荆岳长江公路大桥设计

根据荆岳长江公路大桥桥址处自然环境条件,主桥采用主跨816 m双塔双索面六跨不对称混合梁斜拉桥;桥塔为双柱H形,北塔采用双圆形分离式基础,南塔采用矩形分离式承台+群桩基础;主梁采用分离式双边箱梁结构,中跨和北边跨采用扁平钢箱梁结构,南边跨采用PC箱梁结构,钢-混凝土结合段采用带钢格室的部分连接填充混凝土方案;斜拉索采用外缠PVF氟化膜的高强平行钢丝索,除桥塔附近几对大倾角斜拉索直接锚固在混凝土塔壁齿块上外,其余均采用钢锚梁锚固型式。

Design of Jingyue Changjiang River Highway Bridge

In the light of the natural environment conditions at the site,the main bridge of Jingyue Changjiang River Highway Bridge is designed as a asymmetric six-span hybrid girder cable-stayed bridge with double pylons,double cable planes and with a main span 816 m.A pylon of the bridge is the double-column H-shape pylon.At the north pylon,the foundation is the separated double circular foundations while at the south pylon,the foundation is the separated rectangular pile caps plus group pile foundation.The main gi...