Study of electromagnetic and acoustic emission in creep experiments of water-containing rock samples

Based on biaxial shear creep tests conducted on rock samples with different water contents, we present the results of our study on the regularities of electromagnetic and acoustic emission during the process of creep experiments in which we have analyzed the contribution of water to the occurrence o...

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Published in:Journal of China University of Mining and Technology 2008-03, Vol.18 (1), p.42-45
Main Authors: JING, Hong-wen, ZHANG, Zhong-yu, XU, Guo-an
Format: Article
Language:English
Subjects:
acoustic emission (AE)
biaxial shear creep tests
electromagnetic emission (EME)
water content
声发射
水含量
电磁发射
采矿技术
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description Based on biaxial shear creep tests conducted on rock samples with different water contents, we present the results of our study on the regularities of electromagnetic and acoustic emission during the process of creep experiments in which we have analyzed the contribution of water to the occurrence of electromagnetic radiation. The result shows that in the creep-fracturing course of rock samples, when the water content increases, the initial frequency and amplitude of electromagnetic and acoustic emission also increases, but at a decreasing growth rate caused by loading stress. This can be used as a criterion for the long-term stability of rock masses under conditions of repeated inundation and discharge of water.
doi_str_mv 10.1016/S1006-1266(08)60009-7
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identifier ISSN: 1006-1266
ispartof Journal of China University of Mining and Technology, 2008-03, Vol.18 (1), p.42-45
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recordid cdi_wanfang_journals_zgkydxxb_e200801009
source ScienceDirect Freedom Collection 2022-2024
subjects acoustic emission (AE)
biaxial shear creep tests
electromagnetic emission (EME)
water content
声发射
水含量
电磁发射
采矿技术
title Study of electromagnetic and acoustic emission in creep experiments of water-containing rock samples
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