[1]徐强,郑山锁,樊禹江.大位移往复加载下钢框架节点地震损伤试验研究[J].哈尔滨工程大学学报,2019,40(02):292-297.[doi:10.11990/jheu.201706041]
 XU Qiang,ZHENG Shansuo,FAN Yujiang.Experimental study on seismic damage of steel frame joints under large displacement and cyclic loading[J].hebgcdxxb,2019,40(02):292-297.[doi:10.11990/jheu.201706041]
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《哈尔滨工程大学学报》[ISSN:1006-6977/CN:61-1281/TN]

卷:
40
期数:
2019年02期
页码:
292-297
栏目:
出版日期:
2019-02-05

文章信息/Info

Title:
Experimental study on seismic damage of steel frame joints under large displacement and cyclic loading
作者:
徐强12 郑山锁2 樊禹江3
1. 长安大学 地质工程与测绘工程学院, 陕西 西安 710054;
2. 西安建筑科技大学 土木工程学院, 陕西 西安 710055;
3. 长安大学 建筑学院, 陕西 西安 710061
Author(s):
XU Qiang12 ZHENG Shansuo2 FAN Yujiang3
1. Geological Engineering and Surveying Engineering College, Chang’an University, Xi’an 710054, China;
2. School of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China;
3. School of Architecture, Chang’an University, Xi’an 710061, China
关键词:
钢框架节点试验研究大位移加载累积耗能损伤演化破坏模式
分类号:
TU391;TU317.1
DOI:
10.11990/jheu.201706041
文献标志码:
A
摘要:
结构临近倒塌状态时,构件不可避免发生较大变形。节点区梁柱焊接处是钢框架结构薄弱环节,易发生脆性破坏,本文设计了3个不同的大位移加载制度对钢框架节点构件进行低周往复加载,考察其破坏过程与特征,研究了不同大位移加载方式对钢框架节点的荷载-位移滞回曲线、滞回耗能、损伤演化等力学性能的影响。结果表明:加载制度对构件的破坏形态起控制作用,变幅加载与等幅60 mm循环加载下试件为脆性破坏,等幅90 mm循环加载下试件为延性破坏。钢框架节点梁端作为结构抗震耗能的关键部位,将耗能能力作为评价其抗震性能的指标,建立起简单通用的累积破坏损伤模型,该损伤模型易于评价节点在地震作用下的损伤程度。

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备注/Memo

备注/Memo:
收稿日期:2017-06-13。
基金项目:国家科技支撑计划(2013BAJ08B03);国家自然科学基金项目(41272284;41807243).
作者简介:徐强,男,讲师,博士后;郑山锁,男,教授,博士生导师.
通讯作者:徐强,E-mail:538270385@163.com
更新日期/Last Update: 2019-01-30