巴东长江公路大桥主梁施工技术

Construction Techniques for Main Girder of Badong Changjiang River Highway Bridge

巴东长江公路大桥为五跨连续双塔双索面预应力混凝土斜拉桥,主跨跨径388m。介绍主梁施工关键技术,如:现浇段施工、悬臂施工、斜拉索施工、合龙段施工。

Badong Changjiang River Highway Bridge, with a main span 388 m, is a 5-span prestressed concrete continuous cable-stayed bridge of double pylons and double cable planes. In this paper, the key construction techniques for the main girder of the Bridge, such as construction of the cast-in-place segments, cantilevered segments, stay cables and closure segments, are dealt with. 