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
Journal of Chongqing Jiaotong University(Natural Science)

Journal of Chongqing Jiaotong University(Natural Science) ›› 2009, Vol. 28 ›› Issue (6): 998-999.DOI: 10.3969/j.issn.1674-0696.2009.06.06

Previous Articles     Next Articles

Numerical?Analysis?on?Stress?Concentration?Factors?for?Tubular?T-Joints

BAI Yu-hui1, CHEN Zhe2, ZHOU Shui-xing1   

  1. ?1.?School?of?Civil?Engineering?＆?Architecture,?Chongqing?Jiaotong?University,?Chongqing?400074,?China?;??2.?Jingmen?Traffic?Bureau?of?Hubei?Province,?Hubei?Jingmen?448000,?China
  • Received:2009-08-20 Revised:2009-09-29 Online:2009-12-15 Published:2015-04-15

T型管节点应力集中系数的数值分析

白玉慧1,陈??喆2,周水兴1   

  1. 1.重庆交通大学土木建筑学院,重庆400074;2.湖北省荆门市交通局,湖北荆门448000
  • 作者简介:白玉慧(1982—),女,山西朔州人,硕士研究生,从事桥梁设计理论研究。E-mail:goodbaiyu@126.com。
  • 基金资助:
    交通部西部交通科技项目( 200631881422)

PDF

Abstract: The?stress?distribution?of?tubular?T-joints?at?hot?spot?stress?areas?and?its?maximum?stress?concentration?factors?（SCFs）?under?the?axial?loads?are?analyzed?by?use?of?finite?element?method.?Through?the?computation,?it?is?found?that?the?maximum?stress?concentration?factors?are?located?at?the?saddle?position.?Therefore,?the?influence?rule?of?tubular?T-joint?geometric?parameters?on?the?stress?concentration?factors?is?also?investigated?through?analyzing?numerical?models?with?different?geometric?parameters.

Key words: axial load , numerical method , tubular T-joints , hot spot stress areas , stress concentration factors （SCF） ;

摘要： 用有限元方法分析了承受轴向拉力作用时T型管节点在热点应力区的应力分布,以及最大应力集中系数,通 过计算发现,最大应力集中系数出现在鞍点处。在此基础上,通过对不同几何参数的T节点进行模型分析,得出T 型节点的几何参数对应力集中系数的影响规律。

关键词: 轴向载荷, 数值方法, T节点, 热点应力区, 应力集中系数

CLC Number: