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Seismic Behavior of Steel Reinforced Ultra High Strength Concrete Column and Reinforced Concrete Beam Connection
  • ISSN号:1006-4982
  • 期刊名称:《天津大学学报:英文版》
  • 时间:0
  • 分类:TU375.1[建筑科学—结构工程] U442.55[建筑科学—桥梁与隧道工程;交通运输工程—道路与铁道工程]
  • 作者机构:[1]State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China, [2]School of Mining and Technology, Inner Mongolia University of Technology, Hohhot 010051, China
  • 相关基金:Supported by National Natural Science Foundation of China (No. 50878037).
中文摘要:

为了调查连接的地震行为,钢创作了增强的极端高力量水泥(SRUHSC ) 列和增强的水泥(RC ) 微笑,六个内部 strong-column-weak-beam 连接标本被测试使周期的负担遭到了到颠倒。韧性,精力驱散能力,力量降级和刚硬降级上的应用轴的负担比率和容量的马镫比率的效果被讨论。所有连接标本在与横梁塑料绞链以一种可锻的方式弯曲失败了,这被发现。韧性和精力驱散能力与应用轴的负担比率的减少或容量的马镫比率的增加增加了。抑制系数钢在那些之间放了的排水量韧性系数和等价物增强了增强的具体连接的平常的具体连接和那些。应用轴的负担比率和容量的马镫比率在僵硬降级上的力量降级和更多的影响上有更少的影响。僵硬与容量的马镫比率的减少或应用轴的负担比率的增加严厉地降级了。试验性的结果显示那 SRUHSC 列和 RC 横梁连接展出了更好地震的性能并且能为设计申请提供参考。

英文摘要:

To investigate the seismic behavior of connections composed of steel reinforced ultra high strength concrete (SRUHSC) column and reinforced concrete (RC) beam, six interior strong-column-weak-beam connection specimens were tested subjected to reversal cyclic load. Effects of applied axial load ratio and volumetric stirrup ratio on ductility, energy dissipation capacity, strength degradation and rigidity degradation were discussed. It was found that all connection specimens failed in bending in a ductile manner with a beam plastic hinge. The ductility and energy dissipation capacity increased with the decrease of applied axial load ratio or increase of volumetric stirrup ratio. The displacement ductility coefficient and equivalent damping coefficient lay between those of steel reinforced ordinary concrete connection and those of reinforced concrete connection. The applied axial load ratio and volumetric stirrup ratio had less influence on the strength degradation and more influence on the stiffness degradation. The stiffness degraded sharply with the decrease of volumetric stirrup ratio or increase of applied axial load ratio. The experimental results indicate that SRUHSC column and RC beam connection exhibited better seismic performance and can provide reference for engineering application.

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期刊信息
  • 《天津大学学报:英文版》
  • 主管单位:中华人民共和国教育部
  • 主办单位:天津大学
  • 主编:龚克
  • 地址:天津市南开区卫津路92号天津大学第19教学桉东配楼
  • 邮编:300072
  • 邮箱:trans@tju.edu.cn
  • 电话:022-27400281
  • 国际标准刊号:ISSN:1006-4982
  • 国内统一刊号:ISSN:12-1248/T
  • 邮发代号:6-128
  • 获奖情况:
  • 天津市一级期刊,被国内外十余家检索机构收录
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘(网络版),荷兰文摘与引文数据库,美国工程索引,英国英国皇家化学学会文摘
  • 被引量:153