钢框架梁柱加强与削弱并用节点抗震性能研究

1994年北岭地震和1995年阪神地震后,大量钢结构梁柱节点发生了脆性破坏,采取构造措施使塑性铰外移从而保护梁端焊缝成为震后改进钢框架梁柱节点的主要思想。将加强型和削弱型两种方式相结合,采用钢框架梁柱加强与削弱并用节点,对其中2类3种钢框架梁端加强与翼缘削弱梁柱节点进行了大比例尺试验和有限元分析。研究结果表明,3种钢框架梁端加强与翼缘削弱梁柱节点均实现了塑性铰外移,保护了梁端焊缝,具有良好的塑性转动能力和耗能能力。研究成果为该2类节点用于工程实际提供了参考。...

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Published inJianzhu Gangjiegou Jinzhan pp. 22 - 33
Main Authors 张艳霞, 李瑞, 王路遥, 赵微
Format Journal Article
LanguageChinese
Published Editorial Department of Progress in Steel Building Structures, Tongji University 01.01.2014
Subjects
塑性铰外移
抗震性能
梁柱加强与削弱并用节点
钢框架
Online AccessGet full text
ISSN1671-9379

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Abstract 1994年北岭地震和1995年阪神地震后,大量钢结构梁柱节点发生了脆性破坏,采取构造措施使塑性铰外移从而保护梁端焊缝成为震后改进钢框架梁柱节点的主要思想。将加强型和削弱型两种方式相结合,采用钢框架梁柱加强与削弱并用节点,对其中2类3种钢框架梁端加强与翼缘削弱梁柱节点进行了大比例尺试验和有限元分析。研究结果表明,3种钢框架梁端加强与翼缘削弱梁柱节点均实现了塑性铰外移,保护了梁端焊缝,具有良好的塑性转动能力和耗能能力。研究成果为该2类节点用于工程实际提供了参考。
AbstractList 1994年北岭地震和1995年阪神地震后,大量钢结构梁柱节点发生了脆性破坏,采取构造措施使塑性铰外移从而保护梁端焊缝成为震后改进钢框架梁柱节点的主要思想。将加强型和削弱型两种方式相结合,采用钢框架梁柱加强与削弱并用节点,对其中2类3种钢框架梁端加强与翼缘削弱梁柱节点进行了大比例尺试验和有限元分析。研究结果表明,3种钢框架梁端加强与翼缘削弱梁柱节点均实现了塑性铰外移,保护了梁端焊缝,具有良好的塑性转动能力和耗能能力。研究成果为该2类节点用于工程实际提供了参考。
Author 赵微
王路遥
李瑞
张艳霞
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Snippet 1994年北岭地震和1995年阪神地震后,大量钢结构梁柱节点发生了脆性破坏,采取构造措施使塑性铰外移从而保护梁端焊缝成为震后改进钢框架梁柱节点的主要思想。将加强型和削弱型...
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SubjectTerms 塑性铰外移
抗震性能
梁柱加强与削弱并用节点
钢框架
Title 钢框架梁柱加强与削弱并用节点抗震性能研究
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