万方数据资源系统

中国公路学报
CHINA JOURNAL OF HIGHWAY AND TRANSPORT
2007 Vol.20 No.3 P.66-70

数字化期刊

中、下承式拱桥吊索张力测定的振动法实用公式

陈淮  董建华 

摘 要:考虑吊索弯曲刚度和两端固定边界条件的影响,引入参数简化吊索张力与其横向振动频率之间关系的超越方程,采用数值计算和曲线拟合的方法,推导出了考虑吊索弯曲刚度和吊索两端边界条件影响的,由吊索振动频率计算吊索张力的实用计算公式,并将该公式运用于下承式拱桥施工现场吊索张力的测定.通过与现场实测数据的比较表明:该公式具有较高的精度和一定的实用价值.
关键词:桥梁工程;中、下承式拱桥;振动法;吊索张力
分类号:U448.22 文献标识码:A

文章编号:1001-7372(2007)03-0066-05

Practical Formulae of Vibration Method for Suspender Tension Measure on Half-through and Through Arch Bridge

CHEN Huai  DONG Jian-hua 

基金项目:河南省自然科学基金项目(0411052900)
作者简介:陈淮(1962),男,河南淮阳人,教授,博士生导师,工学博士,E-mail:chenh@zzu.edu.cn.
作者单位:陈淮(郑州大学,土木工程学院,河南,郑州,450002) 
     董建华(上海神火铝箔有限公司,上海,201319) 

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收稿日期:2006年6月7日

出版日期:2007年5月31日