摘要
即将建设的合江长江一桥为净跨径500m的钢管砼拱桥,同类桥型跨径世界第一,拱肋吊装段重达2100kN,施工难度大。文章对其拱肋无支架缆索吊装施工方案进行介绍,重点阐述了桥梁关键部位主扣塔的设计思路。
The upcoming construction project of Hejiang 1st Bridge is a steel con-crete arch bridge with spam length of 500 meters,which is the longest spam in the world.The weight of arch rib is 2100 kn.These characteristics make the construction very difficult.The article introduces the construction plan which uses frameless cable lifting technique.
出处
《西部交通科技》
2009年第8期100-106,共7页
Western China Communications Science & Technology
关键词
桥梁工程
钢管混凝土拱桥
缆索吊机
施工
Bridge construction
Steel concrete arch bridge
Cable lifting machine
Construction
