[1]赵晓晋,贺拴海,白鹭涛,等.双塔斜拉-连续梁组合体系的力学行为分析[J].深圳大学学报理工版,2016,33(5):492-500.[doi:10.3724/SP.J.1249.2016.05492]
 Zhao Xiaojin,He Shuanhai,Bai Lutao,et al.Mechanical behavior analysis of double-pylon cable-stayed-continuous beam combination system[J].Journal of Shenzhen University Science and Engineering,2016,33(5):492-500.[doi:10.3724/SP.J.1249.2016.05492]
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双塔斜拉-连续梁组合体系的力学行为分析()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第33卷
期数:
2016年第5期
页码:
492-500
栏目:
土木建筑工程
出版日期:
2016-09-24

文章信息/Info

Title:
Mechanical behavior analysis of double-pylon cable-stayed-continuous beam combination system
作者:
赵晓晋贺拴海白鹭涛朱钊
长安大学公路学院,旧桥检测与加固技术交通行业重点实验室,陕西西安 710064
Author(s):
Zhao Xiaojin He Shuanhai Bai Lutao and Zhu Zhao
Highway College, Chang’an University, Key Laboratory of Bridge Detection Reinforcement Technology Ministry of Communication, Xi’an 710064, Shaanxi Province, P.R.China
关键词:
结构工程斜拉桥斜拉-连续梁组合体系力学行为自振频率刚度疲劳破坏活载青州航道桥
Keywords:
structural engineering cable-stayed bridge cable-stayed-continuous beam combination system mechanical behavior natural frequency stiffness fatigue failure live loads Qingzhou channel bridge
分类号:
U 442;U 448.27
DOI:
10.3724/SP.J.1249.2016.05492
文献标志码:
A
摘要:
通过对双塔斜拉-连续梁组合体系、双塔斜拉-简支梁组合体系以及常规双塔斜拉桥体系在恒、活载作用下的响应以及自振特性进行对比,分析了双塔斜拉-连续梁组合体系的优缺点. 结果显示,斜拉-连续梁组合体系整体刚度大,结构变形小,边锚索不易疲劳破坏,但辅助墩顶主梁断面在恒、活载作用下负弯矩大,需进行特殊设计;斜拉-连续梁组合体系较斜拉-简支梁组合体系自振频率高,具有整体刚度强、结构受力有利的优点,但易受地震等动力作用的影响.

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更新日期/Last Update: 2016-09-08