Seismic Response Behavior of Steel Frames Having a Single Layer Latticed Cylindrical Roof
Seismic Response Behavior of Steel Frames Having a Single Layer Latticed Cylindrical Roof
复制标题
单层格构圆柱屋盖钢框架的地震响应行为
DOI：
10.11273/jssc1994.6.23_91
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发表时间：
1999
影响因子：
5.4
通讯作者：
Y. Tada
中科院分区：
文献类型：
--
作者：
A. Takeuchi;S. Yamada;Y. Tada
本文研究了单层柱面网壳钢框架结构的三维地震反应。利用科比海洋气象台记录的加速度运动进行有限元模态分析。结果表明，地震反应中的主导分量是自由振动模式具有相对较大的参与因子。由于水平地震运动，屋顶上会出现较大的垂直加速度。在子结构中的支撑的大的轴向力也被证明是由于屋顶的垂直振动。
This study elucidates the three-dimensional seismic responses of the steel frame structures having single-layer latticed cylindrical roof. A finite element modal analysis using acceleration motion recorded at the Kobe Maritime Meteorological Observatory is performed. It is shown that the dominant components in the seismic response are the free vibration modes having relatively large participation factor. Large vertical acceleration on the roof occurs due to horizontal seismic motion. Large axial forces of the braces in the sub-structures are also shown to result from the vertical vibration of the roof.