| 薄壁结构加强筋弯扭耦合屈曲分析 |
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| 引用本文： | 方闯,曾广武. 薄壁结构加强筋弯扭耦合屈曲分析[J]. 华中科技大学学报(自然科学版), 1998, 0(7) |
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| 作者姓名： | 方闯 曾广武 |
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| 作者单位： | 华中理工大学交通科学与工程学院 |
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| 基金项目： | 交通部跨世纪优秀专业人才专项基金 |
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| 摘 要： | 用能量法分析了面内受压的薄壁加强筋弯扭耦合屈曲，研究了柔性腹板加强筋和刚性腹板加强筋以及不同结构形式加强筋（对称型和不对称型加强筋）弯扭耦合屈曲特性，并考虑了截面变形和板后屈曲的影响．计算表明本方法计算结果和有限元计算结果有较好的一致性，通过对不同结构加强筋的计算，得到一些对工程结构设计和建造有一定指导意义的结果．
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| 关 键 词： | 弯扭耦合屈曲；加强筋；薄壁结构；能量法 |
Analysis of Flexural Torsional Buckling of Stiffeners of Thin Wall Structure in Compression |
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| Fang Chuang Doctoral Candidate, College of Traffic Sci. , Eng.,HUST,Wuhan ,China. Zeng Guanwu. Analysis of Flexural Torsional Buckling of Stiffeners of Thin Wall Structure in Compression[J]. JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE, 1998, 0(7) |
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| Authors: | Fang Chuang Doctoral Candidate College of Traffic Sci. & Eng. HUST Wuhan China. Zeng Guanwu |
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| Affiliation: | Fang Chuang Doctoral Candidate, College of Traffic Sci. & Eng.,HUST,Wuhan 430074,China. Zeng Guanwu |
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| Abstract: | An energy method is developed for analyzing the flexural torsional buckling behavior of flanged stiffeners subjected to axial force. The rigid web case, the flexible web one and several different kinds of stiffeners (symmetrical, asymmetrical) are studied. The results obtained from the method are shown to be in good agreement with the results given by finite element programs. The results are useful to practice structures design and construction. |
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| Keywords: | flexural torsional buckling stiffeners thin wall structure energy method |
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