| 考虑节点半刚性及二阶效应的钢框架自由振动分析 |
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| 引用本文： | 陈刚,陈玉泉,周资斌,冯永. 考虑节点半刚性及二阶效应的钢框架自由振动分析[J]. 工业建筑, 2006, 36(4): 81-84 |
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| 作者姓名： | 陈刚 陈玉泉 周资斌 冯永 |
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| 作者单位： | 浙江杭萧钢构股份有限公司,杭州,310003;河海大学,土木工程学院,南京,210009;中国人民解放军73670部队,南京,210042 |
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| 摘 要： | 利用考虑节点柔性和二阶效应的二阶弹性分析单元刚度矩阵,采用有限单元法对半刚性钢框架进行了自由振动研究。通过对各算例计算所得自振频率的分析比较,探讨了各种因素对自由振动分析的影响。
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| 关 键 词： | 半刚性 二阶效应 自由振动分析 自振频率 |
| 收稿时间： | 2005-08-20 |
| 修稿时间： | 2005-08-20 |
THE FREE VIBRATION ANALYSIS OF THE STEEL FRAME STRUCTURE INCLUDING INFLUENCE OF CONNECTION'S FLEXIBILITY AND THE SECOND-ORDER EFFECT |
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| Chen Gang,Chen Yuquan,Zhou Zibin,Feng Yong. THE FREE VIBRATION ANALYSIS OF THE STEEL FRAME STRUCTURE INCLUDING INFLUENCE OF CONNECTION'S FLEXIBILITY AND THE SECOND-ORDER EFFECT[J]. Industrial Construction, 2006, 36(4): 81-84 |
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| Authors: | Chen Gang Chen Yuquan Zhou Zibin Feng Yong |
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| Affiliation: | 1 Hangxiao Steel Structure Co., Ltd Hangzhou 310003;2 School of Civil Engineering, Hohai University Nanjing 210009;3 No. 73670,Unit of PLA Nanjing 210042 |
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| Abstract: | Based on the second-order analysis of elastic element stiffness matrix considering connection′s flexibility and second-order effect,a finite element method is used to study free vibration of semi-rigid steel frame.Through the comparison of examples′ natural frequency,different factors influencing free vibration analysis are discussed. |
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| Keywords: | semi-rigidity second-order effect free vibration analysis natural frequency |
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