用界面断裂力学方法分析碾压混凝土坝的层间断裂问题
郝巨涛
摘要(Abstract)：
碾压混凝土坝是一种成层结构体，其新老碾压混凝土层之间的界面是难以消除的（尽管适当的施工方法可以使该界面变得难以辨认）．目前常用的把碾压混凝土坝按照均质各向异性体来处理的方法，由于低估了界面对结构破坏方式的影响，难以真实地反映碾压混凝土坝的实际情况．为此，对界面断裂理论进行了分析评价，并详细介绍了与这一理论相关的试验结果，根据界面断裂理论，得到了碾压混凝土坝一般将沿界面破坏的结论，以此为基础，提出了碾压混凝土坝稳定分析方法．
关键词(KeyWords)： 界面断裂力学;碾压混凝土坝;层间断裂;分析
基金项目(Foundation):
作者(Author): 郝巨涛
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