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中南大学学报(英文版). 2024, (05)

Effect of high-voltage electric pulse stimulation on heated-granite: An experimental investigationEnglish Full Text

YIN Tu-bing;LIU Cheng-hui;ZHUANG Deng-deng;LI Xi-bing;School of Resources and Safety Engineering, Central South University;Oulu Mining School, University of Oulu;

Abstract: High-voltage electric pulse（HVEP） technology merits further investigation into its potential applications. The effectiveness of using HVEP to induce pre-damage and deteriorate hot dry rock（HDR） was investigated in this study.Different peak voltages of HVEP were applied to heated-granite flake specimens. Furthermore, the influence of temperature on HVEP stimulating granite was investigated. The results show that when the applied peak voltages exceeded 96 kV, through-fracture failure occurred in t... More
Keywords：

hot dry rock; high-voltage electric pulse; rock breaking technique; temperature; fracture pattern; rock structure;

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc; (A) Mathematics/ Physics/ Mechanics/ Astronomy

  • Subject：

    Geophysics

  • Classification Code：

    P314

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