大跨度箱拱单基肋吊装合龙强度和稳定分析  

Analysis of Strength and Stability of Large-span Box Arch and Single Base Rib Lifting Closure

作　　者：赵晓彬 何树凯 黄用久 罗中良 

机构地区：[1]重庆市桥梁工程有限责任公司,重庆400060

出　　处：《公路交通技术》2009年第5期47-50,共4页Technology of Highway and Transport

摘　　要：以主跨130 m的海螺沟大桥为对象,应用有限元软件对设置侧向缆风索的箱拱单基肋吊装合龙强度和稳定性进行计算分析,为大跨径箱拱单基肋吊装合龙技术的应用进行理论探索和实践。Targeting the I-Iailuogou Bridge with a main span of 130m, this paper calculates and analyzes the strength and stability of the box arch single base rib lifting closure set with the side wind absorbing cable by means of the finite element software so as to carry out theoretic probe and practices for the application of the large-span box arch single base rib lifting closure technique.

关 键 词：拱桥 单基肋合龙 稳定性 缆风索 

分 类 号：U448.223[建筑科学—桥梁与隧道工程]