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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:

29卷

期数:

2012年02期

页码:

48-54,95

栏目:

出版日期:

2012-06-30

文章信息/Info

Title:

Finite Element Analysis of Bolted Connection in Q460 Grade High Strength Steels Under Static Shear

作者:

潘斌^1,2,石永久^1,2,王元清^1,2

1. 清华大学 土木工程安全与耐久教育部重点实验室,北京 100084; 2. 清华大学 土木工程系,北京 100084

Author(s):

PAN Bin^1,2, SHI Yong-jiu^1,2, WANG Yuan-qing^1,2

1. Key Laboratory of Civil Engineering Safety and Durability of Ministry of Education, Tsinghua University, Beijing 100084, China; 2. Department of Civil Engineering, Tsinghua University, Beijing 100084, China

关键词:

高强度钢材;  孔壁承压性能;  破坏模态;  有限元分析;  接触非线性;  极限承载力

Keywords:

high strength steel;  bearing resistance;  failure mode;  finite element analysis;  non-linear contact;  ultimate bearing capacity

分类号:

TU391

DOI:

-

文献标志码:

A

摘要:

1. 清华大学 土木工程安全与耐久教育部重点实验室,北京 100084; 2. 清华大学 土木工程系,北京 100084

Abstract:

A finite element model with three-dimensional solid elements was established to stimulate the bolted connection in nine groups of Q460 grade high strength steels. Non-linear material, geometrical and contact analysis were carried out to predict the load-displacement curves. The model-building procedure and solution programs were introduced in detail. Due to various end distance, edge distance and pitches, different failure modes were observed including end tear-out, bearing resistance and net-section facture. The effectiveness of the performed finite element analysis was verified by the comparison between calculation results and the experiment results. The results show that the finite element model in the paper can simulate bearing resistance of bolted connection in high strength steels. It's found that the appropriate stress-strain relations and contact stiffness are important parameters for accurate prediction.

参考文献/References:

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相似文献/References:

备注/Memo

备注/Memo:

收稿日期:2012-03-20
基金项目:国家自然科学基金项目(51038006)
作者简介:潘 斌(1988-),男,江西丰城人,工学硕士研究生,E-mail:panb_thu@163.com。

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更新日期/Last Update: 2012-06-20