Damage evolution during uniaxial compressive tests evaluated by acoustic emission monitoring

机译：通过声发射监测评估单轴压缩试验中的损伤演变

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Experiments of fracturation have been performed under uniaxial compression tests on three arenite samples from iron mine of Tressange (Lorraine, France). In addition to usual mechanical parameters such as strains and axial stress, acoustical parameters such as P-wave velocity, maximum signal amplitude received (a kind of measure of the attenuation) and AE activity, have been investigated. These two independent types of measurements involve coherent results suggesting a progressive anisotropic damage leading to the failure.

机译：在Tressange（法国洛林）铁矿的三个砂岩样品的单轴压缩试验下进行了压裂试验。除了通常的机械参数（例如应变和轴向应力）之外，还研究了声学参数（例如P波速度，接收到的最大信号幅度（一种衰减的量度）和AE活动）。这两种独立的测量涉及相干的结果，表明进行性各向异性破坏会导致失效。

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《International Symposium on Geotechnical Measurements and Modelling; Sep 23-25, 2003; Karlsruhe, Germany》|2003年|p.413-418|共6页
会议地点 Karlsruhe(DE)
作者
J. Wassermann; D. Amitrano; G. Senfaute; F. Homand;
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LaEGO-lNPL-INERIS, Nancy, France;

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正文语种 eng
中图分类公路运输;
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Damage evolution during uniaxial compressive tests evaluated by acoustic emission monitoring

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