典型钢梁与箱型柱采用梁翼切削或梁翼加盖板抗弯接头的破坏模式
本文主要介绍二十二组钢梁与箱型柱抗弯接头试体的耐震行为与破坏模式,其中十七组试体采用梁翼切削(reduced beam section,RBS)式接头,另五组以梁翼加盖板的补强(enlarged beam section,EBS)式接头,所有试体均为梁腹栓接、梁翼焊接(BWWF)的现场施作接头。试验结果显示,七组梁翼切削试体及三组梁翼加盖板试体具有4%弧度层间位移角或3%塑性转角以上的变形能力,此十组试体的平均梁塑铰应变硬化系数为1.22。由试体破坏形式归纳,造成梁柱接头变形能力不足的破坏模式包括:梁翼板全渗透焊道断裂、梁翼板于梁腹扇形开孔尖端附近断裂、梁翼切削段内断裂、柱内横隔板与柱板间焊道...
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Main Authors: | , , , |
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Format: | Article |
Language: | zho |
Published: |
Editorial Department of Progress in Steel Building Structures, Tongji University
2010-01-01
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Series: | Jianzhu Gangjiegou Jinzhan |
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Online Access: | http://steelpro.tongji.edu.cn/thesisDetails?columnId=40757981&Fpath=home&index=0 |
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