用缀板加强的开口截面薄壁杆的约束扭转分析 |
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引用本文: | 周坚.用缀板加强的开口截面薄壁杆的约束扭转分析[J].北京工商大学学报(自然科学版),1986(2). |
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作者姓名: | 周坚 |
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作者单位: | 北京建筑工程学院 |
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摘 要: | 本文将等刚度均匀布置的缀板连续化处理后,解释了乌曼斯基理论中β值的几何意义;并参考这一理论,讨论了约束扭转时的变形应力状态,推导了相应的微分方程,从而沟通了符拉索夫与乌曼斯基的理论。算例与实验值和其他计算理论所得结果的比较表明,本法具有较高的精确度。
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Analysis of Rejected Torsion of Reinforced Thin walled Beam With Laths |
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Abstract: | In this paper, by means of substitution of laths by an equivalent plate, the deformation and stresses and corresponding differencial equation of rejected torsion have been developed. Hence,the Vlasov's theory of open section and the Wumansk's theory of closed section have been linked up.An example of comparision between this paper ane experiment, and other papers indicates that the method of this paper has achieved higher accuracy. |
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