南京大胜关长江大桥钢梁制作技术——主拱整体节点杆件划线与钻孔工艺

FABRICATION TECHNOLOGY OF STEEL GIRDER MANUFACTURE OF NANJING DASHENGGUAN YANGZE RIVER BRIDGE:LAY-OUTING AND DRILLING FOR THE WHOLE NODE AND MEMBER OF THE MAIN ARCH

由于大胜关桥桁拱首次采用整体节点这一特殊的结构形式,杆件划线、制孔均不能采用传统的划线、制孔方案,特重新研究一种针对桁拱特殊结构形式的划线、制孔工艺方法。

Because the special structure of the whole node used by Nanjing Dashengguan Yangze River Bridge at the first time, the traditional program for lay-outing and drilling is unsatisfied, it is urgent to research a new program for the special structure of the truss arch.