泸州长江铁路大桥总体设计

Overall Design of Luzhou Changjiang River Railway Bridge

泸州长江铁路大桥为单线铁路桥,主桥为五跨一联的预应力混凝土连续刚构,温度力是设计控制因素,桥墩采用有所创新的墩中剖缝的结构,解决了设计计算的难题。主要介绍大桥的总体设计特点。

Luzhou Changjiang River Railway Bridge is a bridge carrying single-track railway. The main bridge of the Bridge is designed as a prestressed concrete rigid-frame structure with five spans arranged in one continuous unit. In the design of the Bridge, since the temperature stress is the major dominant factor, the innovative pier structures with splits at different height in the center lines of the piers are used, and the calculation problems are thus satisfactorily resolved. In this paper, the design highlights of the Bridge are presented.