文章详细信息 关键词： 曲箱梁桥;;剪滞效应;;曲率中心角;;剪滞系数 [gap=950]Keywords: curved box girder bridge; shear lag effect; central angle of curvature; shear lag factor
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...中华铁道网 关键词: 曲线箱梁; 剪滞效应; 有限元法; 能量变分法 [gap=750]Key words:Curve box girder; Shear stagnates effect; Finite element method; Energy calculus of variations ..
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本文应用变分法和有限条法分析箱形梁桥的剪滞效应。
In this paper, the shear lag effect in box girder Bridges is analysed by means of variational calculus and finite strip method.
提出一种板桁结合梁剪滞效应分析的有限段单元模型，避免了常规计算方法中的某些不足。
A kind of finite segment element model for analysis of shear lag effect in plate and truss composite girder is proposed. The model avoids certain deficiencies in conventional calculations.
应用作者建立的有限段模型，对简支箱梁进行剪滞效应分析，发现变高度简支梁存在负剪力滞。
Analysis of shear lag effect in thin-walled box girders with one-dinensional dicrete finite element;
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