润扬长江公路大桥是世纪之交我国自行设计、自行建造、自行管理的一座特大型桥梁。该大桥已于 2 0 0 0年 10月正式开工建设 ,目前正在施工中。该桥南汊悬索桥为世界第三、中国第一的特大跨度悬索桥 ,现主要介绍其缆索系统设计情况 Runyang Yangtze River Bridge at the turn of the century our own design, construction, self-management of a large bridge. The bridge was officially started construction in October 2000 and is currently under construction. The bridge Nanxun suspension bridge for the world’s third, China’s first large-span suspension bridge, is now mainly introduced its cable system design