[1]王玉田1,2,王 燕2,等.钢框架加强型梁柱连接的抗震机理研究。[J].西安建筑科技大学学报:自然科学版,2011,43(01):31-035,080.[doi:DOI:10.15986/j.1006-7930.2011.01.021]
 ,surface water heat pump;life cycle total cost;load characteristic;water supply energy consumption;water supply temperature[J].J.Xi’an Univ. of Arch. & Tech.:Natural Science Edition,2011,43(01):31-035,080.[doi:DOI:10.15986/j.1006-7930.2011.01.021]
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钢框架加强型梁柱连接的抗震机理研究。()
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西安建筑科技大学学报:自然科学版[ISSN:1006-7930/CN:61-1295/TU]

卷:
43
期数:
2011年01期
页码:
31-035,080
栏目:
出版日期:
2011-02-28

文章信息/Info

Title:
surface water heat pump;life cycle total cost;load characteristic;water supply energy consumption;water
 supply temperature
文章编号:
1006-7930(2011)01-0031-05
作者:
王玉田1王 燕2姜福香2
(1.西安建筑科技大学土木工程学院,陕西西安710055;2.青岛理工大学土木工程学院,山东青岛266033)
Author(s):
WANG Yong1LAI Dao-xin1FAN Wei2
(1. 710055 2. 266033) Earthquake mechanism of steel frame with reinforced beam-column connection Wang Yu-tian12 , Wang Yan (1. School of Civil Engineering, Xian University of Archtecture & Technology, Xian 7100552.School of Civil Engineering,Qingdao Technological University, Qingdao 266033China)
关键词:
钢框架加强型梁柱连接低周往复荷载试验塑性铰外移抗震机理
Keywords:
seismic mechanism steel moment-resisting frame reinforced beam-column connection low-cyclic reversed loading test plastic hinge outward relocation
分类号:
TU375.4
DOI:
DOI:10.15986/j.1006-7930.2011.01.021
文献标志码:
A
摘要:
钢框架结构在强烈地震荷载作用下,传统的栓焊连接(或全焊连接)节点表现出大量的脆性破坏,迫使
人们重新认识钢结构的抗震性能,并探究具有良好抗震性能的梁柱刚性连接形式.本文考虑了对梁柱连接局
部加强的方法来提高节点承载力和转移塑性铰位置的几种连接形式,通过低周反复荷载试验进行了验证.发
现这种加强型梁柱连接虽然在地震荷载作用下对承载力的提高并不明显,但可以保证有效地将塑性铰外移,
大大提高节点的延性,从而加强了节点的耗能能力,达到避免节点脆性破坏的目的.在此基础上,对加强型梁
柱连接在地震荷载作用下的内力传递、变形发展和塑性铰外移的过程进行了深入的理论分析,揭示了加强型
梁柱连接的抗震工作机理.
Abstract:
Under intense earthquake loading, brittle failure steel moment-resisting frames with traditional bolted-welded connections or full-welded connections. Then people are forced to make a new awareness of the seismic performance of steel structures. And new forms of rigid beam-column connections with good seismic behavior have to be explored. In this paper, several kinds of beam-column connections with local reinforcement are employed to improve the bearing capacity of nodes and to transfer the location of plastic hinges, which has been verified through low-cyclic reversed loading test. It is shown that, although, the increase of the bearing capacity of the reinforced beam-column connection is not obvious under seismic loading,it is sure that the plastic hinge can be effective relocated and the ductility of the node can be greatly enhanced. There, energy dissipation capability of the node can be improved, and brittle failure can be avoided in the node. Based on test results, deeply theoretical analysis of internal forces transmission, deformation development and the process of outward relocation of plastic hinge of the reinforced beam-column connections under seismic loading are carried out. Then seismic mechanism of reinforced beam-column connections is revealed

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2010-04-16  修改稿日期:2010-12-31
基金项目:国家自然科学基金资助项目(50778092)
作者简介:王玉田(1972-),男,河南南阳人,博士研究生,工程师,主要从事结构试验研究.
更新日期/Last Update: 2015-11-01