摘要
斜拉扣挂悬拼法灵活性强、跨越能力大,是目前拱桥常用的施工方法。文章主要基于缆索吊装系统索塔双向变形相等的条件,依托某上承式钢管混凝土拱桥,建立缆索吊装系统的有限元模型,对不同工况下的索塔应力、索塔偏位、主索索力和稳定性进行分析,验证缆索结构承受最大吊装质量的合理性与可靠性。
The cable-stayed buckle suspension assembly method has strong flexibility and large spanning capacity,which is a common construction method for arch bridges at present.Based on the condition that the bidirectional deformation of the cable tower in the cable hoisting system is equal,the finite element model of the cable hoisting system is established based on a deck steel pipe encased concrete arch bridge.The cable tower stress,cable tower deviation,main cable force and stability under different working conditions are analyzed to verify the rationality and reliability of the cable structure bearing the maximum hoisting mass.
作者
刘锐
LIU Rui(Chongqing Architectural Design Institute Co.,Ltd.,Chongqing 400015,China)
出处
《工程技术研究》
2023年第17期17-19,共3页
Engineering and Technological Research
关键词
大跨拱桥
缆吊系统
稳定性
large-span arch bridge
main cable
stability
