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新型竹木框架装配节点抗震性能试验研究
  • ISSN号:1000-8993
  • 期刊名称:《工业建筑》
  • 时间:0
  • 分类:TU375.303[建筑科学—结构工程]
  • 作者机构:常州工学院土木建筑工程学院,江苏常州213032
  • 相关基金:国家自然科学基金项目(41302226); 建设部科技项目(2014-K2-014); 常州市科技计划项目(CJ20159031); 常州工学院科研项目(YN1615).
中文摘要:

节点是竹木框架结构的重要组成部分,直接关乎结构的安全。在综合分析多种节点的基础上,提出了一种新型的竹木框架装配节点,为了研究节点在地震作用下的力学性能,设计了3个足尺的节点T型试件进行循环荷载试验,试件的唯一不同是柱套钢板的厚度。试验时,柱子与地面平行固定,在梁端施加水平循环荷载,采用位移控制法加载直至试件破坏。3个试件的破坏均来自于梁翼缘钢板受压时屈曲,节点钢板没有出现屈服现象,并得到节点的荷载-位移滞回曲线、骨架曲线。试验结果表明:3个试件的荷载-位移滞回曲线比较饱满,节点的刚度随着荷载的增加出现退化现象,节点柱套板厚度对节点的耗能能力和承载力有明显的影响。

英文摘要:

Connection which is an important member to bamboo( timber) frame structure,directly concerns the overall structural safety. Based on a comprehensive analysis of the mechanical properties of several wood connections,a new type bamboo frame connection was given in the paper. Three full-size T-type connection specimens were designed to study the mechanical properties under cycle load. The only difference among three specimens was the thickness of column hollow frame plate. The column of specimens was fixed to floor horizontally,horizontal load was applied in beam tip,specimens were loaded by displacement control until to fail. It was observed that the failure modes of three specimens were caused by the buckling of flanges under compression,the steel of connections did not yield. And the load-displacement curves and skeleton curves of three specimens were obtained. The results showed that load-displacement hysteretic curves for three specimens were relatively plump,the stiffness of connection degenerated with the increasing of cyclic load,plate thickness of column of connection had a significant effect on the energy dissipation capacity and strength of connection.

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期刊信息
  • 《工业建筑》
  • 中国科技核心期刊
  • 主管单位:中国钢铁工业协会
  • 主办单位:中冶集团建筑研究总院有限公司
  • 主编:白云
  • 地址:北京市海淀区西土城路33号
  • 邮编:100088
  • 邮箱:
  • 电话:010-82227237
  • 国际标准刊号:ISSN:1000-8993
  • 国内统一刊号:ISSN:11-2068/TU
  • 邮发代号:2-825
  • 获奖情况:
  • 全国中文核心期刊,中国期刊方阵“双高”期刊
  • 国内外数据库收录:
  • 日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊(2004版),中国北大核心期刊(2008版),中国北大核心期刊(2011版),中国北大核心期刊(2014版),中国北大核心期刊(2000版)
  • 被引量:27423