景德镇市白鹭大桥设计

Design of Bailu Bridge at Jingdezhen

景德镇市白鹭大桥主桥系3跨连续独塔单索面竖琴式无背索斜拉桥,钢塔钢箱梁,塔梁墩固结。跨径组合为45m+120m+45m。白鹭大桥在建筑景观上进行了大胆的尝试,充分利用桥梁结构自身独特而又富有韵律的特点,将大桥变成从昌江中展翅起飞的白鹭造型,结构和建筑设计均具有一定的特点。同时,主梁采用顶推施工,主塔采用竖拼竖转施工工艺,国内极为少见。就此较为详细地阐述了主桥的总体布置、主题结构、建筑景观等方面的设计以及关键技术和施工方法。

Bailu Bridge was a 3-span continuous single pylon cable-stayed bridge without backstays,adopting single harp-typed cable plane and steel box girder and steel pylon.The main girder,pylon and pier were designed as fixed system.The spans were 45m+ 120m+45m.The Bailu Bridge made innovation in its architectural landscape,which is like an egret spreading its wings.The girder is constructed with the method of incremental launching and the kingtower is constructed with the method of vertical assemble and rotating techniques.General arrangement,structural behavior,architectural landscape,key technology and construction method for the bridge were introduced in details.