中文核心期刊
CSCD来源期刊
中国科技核心期刊
RCCSE中国核心学术期刊

重庆交通大学学报(自然科学版) ›› 2008, Vol. 27 ›› Issue (S1): 854-858.

• • 上一篇    下一篇

后张预应力孔道对桥梁横截面力学特性影响

邢志明1, 邓雪涛2, 曾德荣2   

  1. 1. 中铁十七局, 河北 石家庄 050016;
    2. 重庆交通大学, 重庆 400074
  • 收稿日期:2008-05-26 出版日期:2008-07-20 发布日期:2016-11-14
  • 作者简介:邢志明(1967-),男,河北石家庄人,工程师,主要从事桥梁工程施工和研究工作。E-mail:xzmily@126.com。

Study on Influences of Post-Tensioning Prestress Holes on Mechanical Characteristics of Bridge Cross-Section

XING ZHi-ming1, DENG Xue-tao2, ZENG De-rong2   

  1. 1. 17th Bureau of China Railway, Hebei Shijiazhuang 050016, China;
    2. Chongqing Jiaotong University, Chongqing 400074, China
  • Received:2008-05-26 Online:2008-07-20 Published:2016-11-14

摘要: 从PC桥梁力学行为入手,通过数值分析的方法,分析PC桥在不同横向受力状态下箱梁截面应力分布的规律及受力特性,研究预应力孔道对PC桥梁截面受力特性的影响,从而为该类桥梁箱梁开裂等问题的对策研究提供理论依据。

关键词: 后张预应力, PC(预应力混凝土), 截面受力特性, 数值分析

Abstract: In terms of behavioral mechanics of PC bridge,the numerical analysis method is used to analyze the stress distribution rules and mechanical characteristics of box girder section of PC bridge under different horizontal forces.The influences of post-tensioning prestress holes on mechanical characteristics of bridge cross-section are also studied,which offers theoretic basis to study the cracking problems of box girder of this kind of bridge.

Key words: post-tensioning prestress, prestressed concrete, mechanical characteristics of cross-section, numerical analysis

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