[1]贾布裕,颜全胜,余晓琳.考虑滑移和剪力滞的组合梁斜拉桥徐变分析[J].深圳大学学报理工版,2011,28(No.2(095-188)):136-143.
 JIA Bu-yu,YAN Quan-sheng,and YU Xiao-lin.Analysis of creep of composite cable stayed bridge considering the slip and shear lag effect[J].Journal of Shenzhen University Science and Engineering,2011,28(No.2(095-188)):136-143.
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考虑滑移和剪力滞的组合梁斜拉桥徐变分析()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第28卷
期数:
2011年No.2(095-188)
页码:
136-143
栏目:
土木建筑工程
出版日期:
2011-03-20

文章信息/Info

Title:
Analysis of creep of composite cable stayed bridge considering the slip and shear lag effect
文章编号:
1000-2618(2011)02-0136-07
作者:
贾布裕颜全胜余晓琳
华南理工大学土木与交通学院, 广州 510641
Author(s):
JIA Bu-yuYAN Quan-shengand YU Xiao-lin
School of Civil Engineering and Transportation,South China University of Technology,Guangzhou 510641,P.R.China
关键词:
桥梁工程组合梁滑移剪力滞徐变有限元斜拉桥
Keywords:
bridge engineering composite beamslipshear lagcreepfinite element methodcable stayed bridge
分类号:
U 448.27
文献标志码:
A
摘要:
基于位移法,考虑纵向滑移及剪力滞的影响,结合Newmark几何模型和三次广义剪力滞位移分布模式,推导适用于钢-混组合结构的有限元平面梁单元模型.结合Kelvin复合黏弹性徐变模型,分析复杂桥梁结构.研究表明,混凝土桥面板中因存在徐变,成桥后结构将产生内力重分布,对桥梁后期的正常营运造成严重影响.对九江重建组合斜拉桥进行徐变分析,计算与实测结果吻合,验证了本方法的可行.
Abstract:
Based on the geometric model of Newmark and third-order distribution pattern of generalized shear lag displacement model, in consideration of the slip and shear lag effect, the finite element model of plane beam element was derived. Applicable to steel-concrete composite structure, the model was used to analyze complex bridge in combination with the Kelvin composite visco-elastic creep model. Research results show that distribution of internal forces after the completion of bridge would change due to the creep in the bridge decks, which would affect the normal operation of the bridge. The creep analysis on the Jiujiang reconstructed composite cable-stayed bridge indicates that the calculated results are consistent with the measured data,demonstrating that the proposed method is accurate.

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备注/Memo

备注/Memo:
收稿日期:2010-06-19;修回日期:2010-11-23
基金项目:国家自然科学基金资助项目(51078150)
作者简介:贾布裕 (1983-),男(汉族),浙江省义乌市人,华南理工大学博士研究生.E-mail:jbyretop@sina.com
通讯作者:颜全胜 (1968-),男(汉族),华南理工大学教授、博士生导师.E-mail:yancy95@gmail.com
更新日期/Last Update: 2011-03-28