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中国公路学报
CHINA JOURNAL OF HIGHWAY AND TRANSPORT
2007 Vol.20 No.2 P.83-86

数字化期刊

圆钢管混凝土轴心受压构件徐变分析的比较

韩冰  王元丰 

摘 要:在对钢管混凝土构件徐变研究进行回顾的基础上,应用考虑多轴受压状态下的混凝土徐变理论建立圆钢管混凝土轴心受压构件徐变模型,分别采用继效流动理论和龄期调整有效模量法对构件的徐变进行分析,通过迭代计算得到基于2种理论方法的圆钢管混凝土轴心受压构件的徐变,并与试验所得的回归公式计算结果进行比较.通过对比,指出了2种理论的差异性.结果表明:在钢管混凝土轴心受压构件的徐变计算中,继效流动理论具有较高的精度.
关键词:桥梁工程;圆钢管混凝土轴心受压构件;比较分析;徐变模型;继效流动理论;龄期调整有效模量法;长期荷载
分类号:U448.34 文献标识码:A

文章编号:1001-7372(2007)02-0083-04

Creep Analysis Comparison of Circular Axially Compressed Concrete-filled Steel Tubular Members

HAN Bing  WANG Yuan-feng 

基金项目:教育部科学技术研究重点项目(03040);教育部高等学校博士学科点专项科研基金项目(20030004002)
作者简介:韩冰(1973-),男,黑龙江双城人,副教授,工学硕士,E-mail:bhan@center.njtu.edu.cn.
作者单位:韩冰(北京交通大学,土木建筑工程学院,北京,100044) 
     王元丰(北京交通大学,土木建筑工程学院,北京,100044) 

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收稿日期:2006年5月10日

出版日期:2007年3月31日

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