| 残余应力对等截面H型钢梁屈曲性能的影响研究 |
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| 引用本文： | 张绪涛,赵永生,汤美安.残余应力对等截面H型钢梁屈曲性能的影响研究[J].钢结构,2008,23(3):40-44. |
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| 作者姓名： | 张绪涛 赵永生 汤美安 |
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| 作者单位： | 聊城大学,建筑工程学院,聊城,252059 |
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| 摘 要： | 以有限元分析软件ANSYS为工作平台，基于非线性板壳有限元理论，采用壳单元对等截面H型钢梁考虑双重非线性的全过程分析，从而对其屈曲性能进行深入的研究。通过变化构件腹板、翼缘的残余应力峰值，从荷载一位移曲线、承载力、变形的发展等方面入手，分析了残余应力对等截面H型钢梁屈曲性能的影响，获得了一些有价值的结论。
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| 关 键 词： | 残余应力 H型钢梁 屈曲性能 有限元 |
| 修稿时间： | 2007年10月30 |
THE EFFECT OF RESIDUAL STRESS ON BUCKLING PROPERTY OF H SECTION STEEL BEAM S |
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| Zhang Xutao,Zhao Yongsheng,Tong Meion.THE EFFECT OF RESIDUAL STRESS ON BUCKLING PROPERTY OF H SECTION STEEL BEAM S[J].Steel Construction,2008,23(3):40-44. |
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| Authors: | Zhang Xutao Zhao Yongsheng Tong Meion |
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| Affiliation: | Zhang Xutao Zhao Yongsheng Tang Meian (School of Architecture , Engineering,Liaocheng University Liaocheng 252059) |
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| Abstract: | Based on the finite element method, the buckling of H section steel beams are analysed by ANSYS , in which geometric and material non linearity are considered and shell element is adopted The residual stress peak value of web plate and flange are changed and analysed systematically According to the load deflection curves, the load c arrying capacity and the deformations are obtained, the effect of residual stress on the buckling property of H section steel beams is discussed Some valuable con clusio ns are ... |
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| Keywords: | residual stress H section steel beams buckling property f inite element |
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