| 点式玻璃建筑中柔性支承体系承载性能的非线性分析 |
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| 引用本文： | 王元清,王喆,石永久.点式玻璃建筑中柔性支承体系承载性能的非线性分析[J].工程力学,2004,21(2):29-33. |
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| 作者姓名： | 王元清 王喆 石永久 |
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| 作者单位： | 1.清华大学土木工程系, 北京, 100084;2. 中国建筑标准设计研究院, 北京, 100044 |
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| 摘 要： | 柔性支承体系在设计时必须采用可以考虑几何非线性的计算程序进行设计.在推导出可以考虑几何非线性平面二力杆单元和平面梁单元的切线刚度矩阵基础上,编制了计算柔性支承体系的有限元程序,并在其中加入索单元特性和可以考虑初始预应力的影响.使用该程序,可以方便的对柔性支承体系进行设计.还利用这套程序,对两种典型的柔性支承体系进行了计算比较分析.
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| 关 键 词： | 结构工程 几何非线性分析 推导 柔性支承 大变形 |
| 文章编号： | 1000-4750(2004)02-0029-05 |
| 收稿时间： | 2002-09-18 |
| 修稿时间： | 2003-02-25 |
GEOMETRIC NON-LINEAR ANALYSIS OF FLEXIBLE SUPPORTING SYSTEMS FOR POINT-SUPPORTING GLASS BUILDING |
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| WANG Yuan-qing,WANG Zhe,SHI Yong-jiu.GEOMETRIC NON-LINEAR ANALYSIS OF FLEXIBLE SUPPORTING SYSTEMS FOR POINT-SUPPORTING GLASS BUILDING[J].Engineering Mechanics,2004,21(2):29-33. |
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| Authors: | WANG Yuan-qing WANG Zhe SHI Yong-jiu |
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| Affiliation: | 1.Civil Engineering Department, Tsinghua University, Beijing 100084, China;2. China Institute of Building Standard Design and Research, Beijing 100044, China |
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| Abstract: | A calculation method for flexible supporting system with large displacements and deformations is developed so as to determine the tangent stiffness and internal stress vector. The formulation is established for a '2D-bar'element and a '2D-beam'element. A program is developed and two typical flexible supporting system models are studied. The results lay down the basis for further research work. |
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| Keywords: | structural engineering geometric non-linearity deduction flexible supporting system large displacement |
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