加槽钢做连接构件的空间半刚性梁柱节点滞回性能分析

doi:10.12068/j.issn.1005-3026.2017.03.026

东北大学学报:自然科学版 ›› 2017, Vol. 38 ›› Issue (3): 430-435.DOI: 10.12068/j.issn.1005-3026.2017.03.026

加槽钢做连接构件的空间半刚性梁柱节点滞回性能分析

蔡勇，吕晓勇，杨文超，李喆

(中南大学土木工程学院，湖南长沙410075)

收稿日期:2015-09-25 修回日期:2015-09-25 出版日期:2017-03-15 发布日期:2017-03-24
通讯作者: 蔡勇
作者简介:蔡勇(1968-)，男，湖南益阳人，中南大学副教授，博士.
基金资助:
国家自然科学基金资助项目(51078354)；湖南省自然科学基金重点资助项目(10JJ2034).

Hysteretic Behavior of Semi-rigid Space Steel Beam-to-Column Joints with Channel Components

CAI Yong， LYU Xiao-yong， YANG Wen-chao， LI Zhe

School of Civil Engineering， Central South University， Changsha 410075， China.

Received:2015-09-25 Revised:2015-09-25 Online:2017-03-15 Published:2017-03-24
Contact: LI Zhe
About author:-
Supported by:
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摘要/Abstract

摘要： 加槽钢做连接构件的空间半刚性弱轴端板连接是一种新型的端板连接形式.为研究其抗震性能，对加槽钢做连接构件的空间半刚性梁柱节点在循环荷载作用下的受力性能进行了有限元分析，分析了其强轴节点加载屈服时，弱轴节点在循环加载作用下的受力特点、节点刚度和耗能能力.分析结果表明，加槽钢做连接构件的弱轴节点具有良好的耗能能力，强轴的加载对弱轴节点极限承载力几乎没有影响，但对弱轴节点的滞回性能具有一定的影响.并根据有限元分析结果，修正了加槽钢做连接构件的弱轴节点的曲线形滞回模型的表达式，可为实际工程提供参考.

关键词: 槽钢, 空间节点, 半刚性, 受力特点, 滞回性能

Abstract: Semi-rigid space end-plate connections of weak-axis with channel components are new end-plate connections form. The finite element analysis of semi-rigid space beam-to-column joints with channel components under cyclic loading was carried out in order to investigate its seismic performance， and the mechanical characteristics， joint stiffness and energy dissipation capacity of weak-axis joints under cyclic loading were analyzed when its strong-axis joint was yielded under the static load. The results showed that the weak-axis joint with channel components has a good energy dissipation capacity， and the loading of strong-axis has almost no effect on the weak-axis connections’ capacity property but exerts some effect on the weak-axis connections’ hysteretic behavior. In accordance with the results of the finite element analysis， the curvilinear hysteretic model expression of weak-axis joints with channel components was modified， which may provide reference for practical projects.

Key words: channel components, space joint, semi-rigid, mechanical characteristics, hysteretic behavior

中图分类号:

TU392.1

蔡勇，吕晓勇，杨文超，李喆. 加槽钢做连接构件的空间半刚性梁柱节点滞回性能分析[J]. 东北大学学报:自然科学版, 2017, 38(3): 430-435.

CAI Yong， LYU Xiao-yong， YANG Wen-chao， LI Zhe. Hysteretic Behavior of Semi-rigid Space Steel Beam-to-Column Joints with Channel Components[J]. Journal of Northeastern University Natural Science, 2017, 38(3): 430-435.

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加槽钢做连接构件的空间半刚性梁柱节点滞回性能分析

Hysteretic Behavior of Semi-rigid Space Steel Beam-to-Column Joints with Channel Components

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