不同拱肋形式对无风撑钢管混凝土拱桥的抗震特性影响  

Influence of Different Arch Ribs on Anti-seismic Performance of CFST Arch Bridges Without Wind Bracing

作　　者：胡小波[1] 邓俊旗 付亮[3] 

机构地区：[1]天津中交鸿达道桥技术开发有限责任公司,天津300122 [2]驻马店市市政工程勘测设计处,河南驻马店463000 [3]天津科技大学,天津300222

出　　处：《工程建设与设计》2012年第7期172-174,177,共4页Construction & Design for Engineering

摘　　要：无风撑钢管混凝土拱桥有钢管混凝土拱桥具有跨度大、强度高、塑性好、重量轻、便于施工、造型新颖美观等优点,而且在行车时视野开阔,在未来有很好的应用前景。文中以某五连跨无风撑钢管混凝土拱桥为例,针对无风撑钢管混凝土拱桥特点,采用不同拱肋结构布置形式,对其抗震性能进行了对比分析,得出此类拱桥拱肋合理布置形式。Conerete-filled steel tubular （CFST） arch bridge without wind bracing has good prospect, not only because it has advantages in traditional CFST arch bridge such as long-span, high strength, appropriate plasticity, light in weight, easy for constructing, modem design,etc., but also its largo vision in moderate span bridge. Based on five span continuous CFST arch bridge without wind bracing, Some CFST arch bridges without wind bracing with some different arch ribs are analyzed on anti-seismic performance, and reasonable layout type of arch rib is fixed in this article.

关 键 词：钢管混凝土拱桥 无风撑 拱肋形式 

分 类 号：U448.34[建筑科学—桥梁与隧道工程]