| 考虑节点剪切变形及二阶效应的钢框架自由振动分析和试验研究 |
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| 引用本文： | 赵均,李永梅,王松涛,魏钢.考虑节点剪切变形及二阶效应的钢框架自由振动分析和试验研究[J].工业建筑,2003,33(2):62-64,12. |
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| 作者姓名： | 赵均 李永梅 王松涛 魏钢 |
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| 作者单位： | 1. 北京工业大学,北京,100022
2. 北京市经济技术开发区管委会,北京,100176 |
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| 基金项目： | 北京市自然科学基金资助项目 (编号 :3 942 0 0 2 ) |
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| 摘 要： | 考虑节点剪切变形和二阶效应的影响 ,提出了建立在带半刚域杆元二阶分析基础上的钢框架结构自由振动分析方法 ,同时 ,进行了 5层足尺钢框架结构的动力试验。通过与试验结果的比较 ,表明该方法的分析结果准确性高 ,并结合算例分析了有关因素的影响
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| 关 键 词： | 钢框架 自由振动分析 二阶效应 节点剪切变形 |
A STUDY ON THE FREE VIBRATION ANALYSIS AND A FULL-SCALED TEST OF THE STEEL FRAME STRUCTURE INCLUDING INFLUENCES OF THE JOINT SHEAR DEFORMATION AND THE SECOND-ORDER EFFECT |
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| Zhao Jun\ Li Yongmei\ Wang Songtao.A STUDY ON THE FREE VIBRATION ANALYSIS AND A FULL-SCALED TEST OF THE STEEL FRAME STRUCTURE INCLUDING INFLUENCES OF THE JOINT SHEAR DEFORMATION AND THE SECOND-ORDER EFFECT[J].Industrial Construction,2003,33(2):62-64,12. |
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| Authors: | Zhao Jun\ Li Yongmei\ Wang Songtao |
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| Abstract: | Based on the second\|order analysis of the beam element with semi\|rigid regions at ends,a new method of the free vibration analysis of steel frame structures is developed,which accounts for the second\|order effect and the joint shear deformation.A full\|scaled 5\|storey steel frame structure is tested for investigating its dynamic characteristics.The calculation values from the new method are compared with the test results,which shows a very good accuracy.Other example problems are also analyzed by the new method and other methods for further comparison. |
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| Keywords: | steel frame\ free vibration analysis\ second\|order effect\ joint shear deformation |
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