大跨度结合梁斜拉桥制造线形控制与分析  

Control and Analysis of Fabric Ation Profile of Long-span Composite Cable-stayed Bridge

作　　者：卜一之[1] 孙才志[1] 

机构地区：[1]西南交通大学土木工程学院,四川成都610031

出　　处：《重庆交通大学学报（自然科学版）》2011年第5期916-920,1053,共6页Journal of Chongqing Jiaotong University(Natural Science)

基　　金：国家科技支撑计划项目(2006BAG04B03)

摘　　要：研究了零初始位移法和切线初始位移法的关系,介绍了2种制造预拱度的计算方法,及制造线形的计算过程。以江津观音岩长江大桥为背景,通过桥梁施工时的实测数据与理论数据对比,验证了理论的准确性和实用性。The relationship between zero initial displacement method and tangential displacement method was analyzed;two calculation methods of fabrication camber and calculation process of fabrication profile were introduced.Based on the case of Jiangjin Guanyinyan Yangtze Bridge,accuracy and practicality of the method was verified by comparing measured data with theoretical data.

关 键 词：结合梁斜拉桥 制造线形 零初始位移法 切线位移法 

分 类 号：U445.47[建筑科学—桥梁与隧道工程]