• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Soil Dynamics and Earthquake Engineering >Nonlinear behaviour of RC frames under repeated strong ground motions
【24h】

Nonlinear behaviour of RC frames under repeated strong ground motions

机译：反复强地面运动下钢筋混凝土框架的非线性行为

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

This paper presents an extensive parametric study on the inelastic response of eight reinforced concrete (RC) planar frames which are subjected to forty five sequential ground motions. Two families of regular and vertically irregular (with setbacks) frames are examined. The first family has been designed for seismic and vertical loads according to European codes while the second one only for vertical loads, to study structures which have been constructed before the introduction of adequate seismic design code provisions. The whole range of frames is subjected to five real seismic sequences which are recorded by the same station, in the same direction and in a short period of time, up to three days. In such cases, there is a significant damage accumulation as a result of multiplicity of earthquakes, and due to lack of time, any rehabilitation action is impractical. Furthermore, the examined frames are also subjected to forty artificial seismic sequences. Comprehensive analysis of the created response databank is employed in order to derive important conclusions. It is found that the sequences of ground motions have a significant effect on the response and, hence, on the design of reinforced concrete frames. Furthermore, it is concluded that the ductility demands of the sequential ground motions can be accurately estimated using appropriate combinations of the corresponding demands of single ground motions.
机译：本文对八种钢筋混凝土（RC）平面框架的非弹性响应进行了广泛的参数研究，这些框架经受了四十五次连续地震动。检查了两个规则和垂直不规则（带有缩进）框架系列。第一个系列是根据欧洲规范设计的，用于地震和垂直荷载，而第二个系列仅用于竖向荷载，以研究在引入适当的抗震设计规范之前建造的结构。整个帧范围受五个真实地震序列的影响，这些序列由同一站点以相同方向在短时间内（最多三天）记录。在这种情况下，由于地震多发而造成大量的破坏积累，并且由于时间紧迫，任何恢复行动都是不切实际的。此外，检查的框架也要经受40次人工地震序列。为了获得重要的结论，对创建的响应数据库进行了综合分析。发现地面运动的顺序对响应有很大影响，因此对钢筋混凝土框架的设计也有很大的影响。此外，得出的结论是，可以使用单个地面运动的相应要求的适当组合来准确地估计连续地面运动的延性要求。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号