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混凝土材料断裂的声发射自相似性识别特征

作者：时间：2013-11-27 来源：网络

中，相应声发射过程不同状态下的自相似程度是不一样的，即声发射过程的自相似程度随着应力状态的变化而变化。声发射过程自相似系数的最小值，预示着宏观断裂的来临。所以，混凝土试块在临界断裂状态下所表现出的声发射自相似性识别模式为“最小-回升”型。

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关键词： 混凝土材料 声发射

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