Flange width has changed by strengthening the compression flange and strengthening the tensile flange.

翼缘宽度变化按加强受压翼缘和加强受拉翼缘考虑。

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In the analysis and design of steel-concrete composite beams, the concept of effective flange width is introduced to consider the impact of shear lag.

钢与混凝土组合梁的设计和分析中，通过引入有效翼缘宽度的概念考虑混凝土翼板中剪力滞后的影响。

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In the paper, spear lag of beam plated construction and effective distribution width of flange plate are analysed through model test and research. It provides a reference in design.

本文通过大型试验的研究，分析梁板结构截面的剪力滞效应，及翼缘板的有效分布宽度，为设计提供参考。

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