斜拉桥动力特性的参数化研究  

Parameterization study of dynamic behavior of cable-stayed bridge

作　　者：杨正华[1] 

机构地区：[1]铁道第一勘察设计院桥隧处

出　　处：《山西建筑》2007年第36期304-305,共2页Shanxi Architecture

摘　　要：结合具体工程实例,着重从重力特性的角度,对斜拉桥的几种结构体系进行了分析比较,给出了它们的自振特点和影响规律,以促进斜拉桥振动特性的研究,从而为斜拉桥的设计提供参考。Combined with practical engineering, the author analyzes and compares several structural systems of cable-stayed bridge from the angle of dynamic behavior, and proposes their free vibration characteristics and influential regulations, in order to promote the study of vibration characteristics of cable-stayed bridge and to offer a reference for the design of cable-stayed bridge.

关 键 词：斜拉桥 空间有限元模型 振型 自振周期 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]