自锚式悬索桥锚固区钢锚箱的制造、安装及定位技术

Steel Anchor Box Manufacture,Installation and Positioning Technology in Anchorage Zone of Self-anchored Suspension Bridge

南京长江隧道工程右汊大桥为独塔自锚式悬索桥,主桥主缆共设两根,主缆边跨平行布置,主缆锚固浦口侧横梁中部;主跨为空间索形布置,锚固在横桥向两端。浦口、建邺侧各有一道缆索锚固横梁。锚固横梁里预埋缆索钢锚管,钢锚管在工厂整体制作,现场安装。

The right-branching bridge of Nanjing Yangtze River Tunnel is a self-anchored suspension bridge with single tower. The main bridge has two main cables. The cables in side span bridge were arranged in parallel and anchored in the central part of Pukou side beams; the main span had the spatial cables arrangement, anchored to the ends of the crossbridge. There is a cable anchor beam in both Pukou and Jianye side. Inside the cable anchor beams embedded the steel anchor pipes, which are produced in the factory as a whole production and installed on-site.