大跨度钢管混凝土拱桥稳定性问题研究综述  

A Review on Stability Research of Large-span CFST Arch Bridges

作　　者：王红伟[1] 陈光辉 姜梅英 谢开仲 WANG Hong-wei;CHEN Guang-hui;JIANG Mei-ying;XIE Kai-zhong(College of Civil Engineering and Architecture,Guangxi University,Nanning,Guangxi,530004;Guangxi Road & Bridge Group Survey and Design Co.,Ltd.,Nanning,Guangxi,530004)

机构地区：[1]广西大学土木建筑工程学院,广西南宁530004 [2]广西路桥集团勘察设计有限公司,广西南宁530004

出　　处：《西部交通科技》2018年第11期49-55,共7页Western China Communications Science & Technology

基　　金：国家自然科学基金项目(51868007和51368005);广西科技计划项目"大跨度拱桥全寿命安全监测评估与预警的关键技术"(桂科AD17195096)

摘　　要：文章对大跨度钢管混凝土拱桥稳定性问题的研究现状进行了综述。从地震作用拱肋传力机理及损伤演变、结构稳定性、动力稳定性、失稳机理及判别准则等方面,分析了现有研究已解决的问题和尚未解决的问题,指出今后应在已有研究工作的基础上,深入开展大跨度钢管混凝土拱桥在地震作用下的拱肋损伤规律及灾变机理研究,重点研究拱肋的动力稳定性分析方法、动力失稳机理及判定准则,以及在宽跨比和宽高比变小时的拱肋稳定性设计方法等。This article reviews the current research situation about the stability of large-span CFST arch bridges.From the aspects of seismic force arch-rib transfer mechanism,damage evolution,structural stability,dynamic stability,instability mechanism and judgement criterion,it analyzes the problems already solved by existing research as well as the unsolved problems,and points out that,based on the existing research work,the future research shall be the arch-rib damage rule and catastrophe mechanism research of large-span CFST arch bridge under seismic action,with the focus on the dynamic stability analysis methods,dynamic instability mechanism and judgment criteria of arch rib,and the arch rib stability design method when the width-span ratio and the width-height ratio become smaller,and so on.

关 键 词：桥梁工程 钢管混凝土 拱桥 稳定性 综述 

分 类 号：U448.33[建筑科学—桥梁与隧道工程]