The effects of the nonuniformity of porosity development and stress distribution on material bifurcations(plane shear bending and surface wrinkling)are investigated by means of numerical method.

利用数值方法研究材料空洞化和承受应力沿板厚分布的非均匀性对材料分叉（平板中平面剪切带和表面皱曲）的作用。

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The method presented here is an extension of the method of analysis of interconnected plane shear walls that had been proposed in an article by the author.

本文的方法，实质上是作者在文章中所提出的分析平面联肢墙的方法的推广。

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A method to calculate the section curvature ductility index of high strength concrete shear wall is induced by using stress-strain relationship of rectangle stirrup and plane section assumption.

利用矩形箍筋约束混凝土的应力一应变关系和平截面假定，建立了高强混凝土剪力墙截面曲率延性系数的计算方法。

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