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第 20 卷第 6 期中国公路学报 Vol. 20 No. 6
2007 年 11 月 China Journal of Highway and Transport Nov. 2007
文章编号:1001 7372 (2007) 06 0056 05
钢管混凝土拱桥的挠度限值研究
陈宝春,韦建刚,王加迫
(福州大学土木工程学院,福建福州 350002)
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摘要:为了分析挠度限值是否能控制钢管混凝土拱桥结构的振动,在对桥梁活载挠度限值研究进行
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回顾的基础上,以 3 座不同结构形式的钢管混凝土拱桥为典型算例,分别采用挠度限值和动力参数
限值对钢管混凝土拱桥的2 行车舒适性进行了分析。分析结果表明:挠度限值并不能有效地反映在
活载作用下的实际振动和振感;建议在钢管混凝土拱桥的设计中,采用振动参数控制法取代活载挠
度限值法来评价和控制钢管混凝土拱桥的2 行车舒适性。
关键词:桥梁工程;钢管混凝土拱桥;理论分析;挠度限值
中图分类号:U448. 22 文献标志码:A
Research on Deflection Limit Value for CFST Arch Bridge
CH EN Bao chun , WEI Jian gang , WAN G Jia po
(School of Civil Engineering , Fuzhou University , Fuzhou 350002 , Fujian , China)
Abstract : In order to research t he problem whet her t he deflection limit value controls CFST arch
bridge struct ural vibration or not , based on the literat ure review of t he deflection limit values ,
t hree different type CFST arch bridges were taken as examples st udy to examine t he vehicle
fort by t he met hod of live load deflection limit values and vibration parameter limit
values. Analytical result s show that t he live load deflection limit values can not control t he
vibration of bridges under t he effect of live load effectively. In t he design of CFST arch bridges ,
vibration parameter control method is more reasonable to assure pedestrian and vehicle occupant
pared wit