斜塔柱施工内力和变形控制研究  

Research on Internal Force and Deformation Control in Inclined Tower Column Construction

作　　者：黄志远 包杰 HUANG Zhiyuan;BAO Jie(Central&Southern China Municipal Engineering Design and Research Institute Co.,Ltd.,Wuhan 430010,Hubei,China)

机构地区：[1]中国市政工程中南设计研究总院有限公司,湖北武汉430010

出　　处：《工程技术研究》2024年第14期154-156,共3页Engineering and Technological Research

摘　　要：索塔施工控制是斜拉桥建造的重要环节,斜塔柱施工过程中的内力和变形控制尤为复杂。文章以倾斜角度较大的钻石形索塔为例,建立了索塔空间有限元模型,对施工过程进行仿真分析,研究不同支撑方式对斜塔柱内力和变形控制的影响,结果表明:主动横撑能消除施工过程中不利附加应力积累,减小内倾变形。研究成果可为同类型索塔的设计和施工提供借鉴和参考。The construction control of cable tower is an important part of the construction of cable-stayed bridge,and the internal force and deformation control in the construction process of inclined tower column is particularly complex.Taking a diamond-shaped cable tower with a large inclination angle as an example,this paper establishes a spatialfinite element model of the cable tower to simulate and analyze the construction process,and studies the influence of different support methods on the internal force and deformation control of the inclined tower column.The results show that the active transverse brace can eliminate the unfavorable additional stress accumulation during the construction process and reduce the inwardly inclined deformation.The research results can provide reference for the design and construction of the same type of cable tower.

关 键 词：斜拉桥 施工控制 斜塔柱 主动横撑 

分 类 号：U445[建筑科学—桥梁与隧道工程]