|本期目录/Table of Contents|

[1]苟海刚,郑辉晓,卢林枫.箱形节点域工字形柱弱轴盖板加强连接的设计方法[J].建筑科学与工程学报,2018,35(01):77-86.
　GOU Hai-gang,ZHENG Hui-xiao,LU Lin-feng.Design Method of Cover-plate Reinforced Connection of I-section Column for Weak Axis with Box Joint Region[J].Journal of Architecture and Civil Engineering,2018,35(01):77-86.
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
35卷
期数:
2018年01期
页码:
77-86
栏目:
出版日期:
2018-01-30

文章信息/Info

Title:
Design Method of Cover-plate Reinforced Connection of I-section Column for Weak Axis with Box Joint Region
作者:
苟海刚，郑辉晓，卢林枫
长安大学建筑工程学院
Author(s):
GOU Hai-gang, ZHENG Hui-xiao, LU Lin-feng
School of Civil Engineering, Chang’an University
关键词:
钢框架; 弱轴; 盖板连接; 设计方法; 力学性能
Keywords:
steel frame;  weak axis;  cover-plate connection;  design method;  mechanical behavior
分类号:
-
DOI:
-
文献标志码:
A
摘要:
为了实现“高延性-高弹性承载力”的抗震设计思路和推广盖板加强型连接在工字形柱钢框架中的应用，提出了一种适用于箱形节点域工字形柱弱轴盖板加强连接的设计方法和设计步骤。通过一个多层钢框架工程实例的设计，验证了所提盖板加强型连接设计方法的可靠性。采用ABAQUS有限元软件对实际工程的内框架十字形节点在循环荷载作用下的力学性能进行分析，研究了节点的破坏形态、滞回曲线、骨架曲线、刚度退化曲线、延性系数和耗能能力。结果表明：新型箱形节点域工字形柱弱轴盖板加强连接的设计方法合理、可靠，应用该方法设计的工字形柱弱轴连接节点能够实现梁上“塑性铰”外移，节点具有较强的塑性变形能力和耗能能力，能够满足抗震规范中“强柱弱梁”和“强节点弱构件”的抗震设计理念。
Abstract:
In order to realize the seismic design idea of “high ductility and high bearing capacity” and to promote the application of cover-plate reinforced connection in I-section column steel frame, the design method and step about the cover-plate reinforced connection with box joint region of I-section column for weak axis were proposed. The reliability of the design method about cover-plate reinforced connection was verified by a practical multi-storey steel frame engineering example. The mechanical behavior of internal frame cross-shaped joint under cyclic loading in the actual engineering was analyzed by using finite element software ABAQUS. The failure pattern, hysteresis curve, skeleton curve, stiffness degradation curve, ductility factor, and energy dissipation performance were analyzed. The results show that the design method of the new cover-plate reinforced connection with box joint region of I-section column for weak axis was reasonable and reliable. The joint of I-shaped column for weak axis designed by the method can effectively move the beam plastic hinge away. The joint with the new connection has strong plastic deformation capacity and energy dissipation capacity, and can achieve the seismic design concept of “strong column and weak beam” and “strong joint and weak component” in the seismic code.

参考文献/References:

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备注/Memo

备注/Memo:
更新日期/Last Update: 2018-02-01