马滩红水河特大桥缆索吊装系统塔架位移和稳定性分析  

Analysis of Tower Displacement and Stability of Cable Lifting System for Matan Hongshui River Super-sarge Bridge

作　　者：隗磊军 秦大燕 严胜杰 WEI Lei-jun;QIN Da-yan;YAN Sheng-jie(Guangxi Road and Bridge Engineering Group Co.,Ltd.,Nanning,Guangxi,530011)

机构地区：[1]广西路桥工程集团有限公司,广西南宁530011

出　　处：《西部交通科技》2018年第7期106-110,共5页Western China Communications Science & Technology

摘　　要：大型缆索吊装系统塔架通常都在超过百米的高空进行作业,塔架结构体系的几何非线性效应非常显著。文章通过对塔架体系进行偏位和稳定性的分析,验证了每束缆风索钢绞线根数的变化对塔架结构偏位和稳定性的影响,并提出了缆风索最佳配钢绞线方案,为塔架系统的缆风索设计提供理论支撑。Towers of large cable hoisting systems usually operate at altitudes over 100 meters, thus the geometric nonlinear effects of tower structure system are very significant.Through analyzing the deviation and stability of tower system, this article verified the influence of the change of the number of steel strands at each wind-proof cable on the deviation and stability of tower structure,and proposed the optimum steel strand plan for wind-proof cable,thus providing theoretical support for the wind-proof cable design of tower system.

关 键 词：塔架 缆风索 屈曲分析 稳定性 

分 类 号：U443[建筑科学—桥梁与隧道工程]