Acoustic emission characteristics of rock under impact loading

来源 :Journal of Central South University | 被引量 : 0次 | 上传用户：bai1988ping

【摘要】

：

Acoustic emission tests were performed using a split Hopkinson pressure bar system(SHPB) on 50-mm-diameter bars of granite, limestone, sandstone and skarn. The

【作者】

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刘希灵李夕兵洪亮尹土兵饶蒙

【机构】

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SchoolofResourcesandSafetyEngineering,NormanB.KeevilInstituteofMiningEngineering,SchoolofCivilEngine

【出处】

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Journal of Central South University

【发表日期】

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2015年9期

【关键词】

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岩石试样冲击载荷作用声发射特性分离式霍普金森压杆发射波形幅度分布信号强度冲击波传播 rock acoustic emission（AE） sp

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Acoustic emission tests were performed using a split Hopkinson pressure bar system(SHPB) on 50-mm-diameter bars of granite, limestone, sandstone and skarn. The results show that the amplitude distribution of hits is not well centralized around 50 d B, and

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Acoustic emission characteristics of rock under impact loading

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