单向坡斜拉桥体系转换静力分析

重庆交通大学学报（自然科学版） ›› 2007, Vol. 26 ›› Issue (3): 13-16.

单向坡斜拉桥体系转换静力分析

王为圣，周水兴，王新忠，刘素玲

重庆交通大学，重庆 400074

收稿日期:2006-04-11 修回日期:2006-04-29 出版日期:2007-06-15 发布日期:2015-05-18
作者简介:王为圣(1978—)，男，江苏徐州人，研究生，从事桥梁设计理论研究

Static Analysis of Unidirectional Slope Cable-stayed Bridge during System Transformation

WANG Wei-sheng，ZHOU Shui-xing，WANG Xin-zhong，LIU Su-ling

Chongqing Jiaotong University，Chongqing 400074，China

Received:2006-04-11 Revised:2006-04-29 Online:2007-06-15 Published:2015-05-18

摘要/Abstract

摘要： 单向纵坡斜拉桥在由塔梁临时固结向漂浮体系转换时由于主梁单向纵坡的影响，临时固结处产生不平衡的纵桥向水平冲击力．利用ANSYS程序建立了彭溪河特大桥的平面有限元模型，分析该不平衡力在体系转换中对结构内力和位移的影响程度，在此基础上提出减少其影响的体系转换顺序．

关键词: 单向坡斜拉桥, 体系转换, 不平衡水平冲击力, 转换顺序

Abstract: When the system of a unidirectional slope cable-stayed bridge transfers from the fixed state into the floating one， there ale the balancdess impulsive forces at every fixed spot because of the unidirectional s1ope．By the finite element analysis model of the main bridge in ANSYS，the effects which the force had taken on the internal forces and the displacements of the structure were analyzed．On the basis of these，the transformation sequence project is put forward to reduce adverse effects．

Key words: unidirectional slope cable-stayed bridge, system transformation, balanceless impulsive forces, transformation sequence

中图分类号:

U448.27

王为圣，周水兴，王新忠，刘素玲. 单向坡斜拉桥体系转换静力分析[J]. 重庆交通大学学报（自然科学版）, 2007, 26(3): 13-16.

WANG Wei-sheng，ZHOU Shui-xing，WANG Xin-zhong，LIU Su-ling. Static Analysis of Unidirectional Slope Cable-stayed Bridge during System Transformation[J]. Journal of Chongqing Jiaotong University(Natural Science), 2007, 26(3): 13-16.

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