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Blasting. 2023, (01) Core

Dynamic Properties and Failure Modes Analysis of Magnetite Ore under Dynamic LoadingChinese Full Text

LIU Hao-shan;ZHANG Zhi-yu;LI Xiang-long;HUANG Yong-hui;WANG Jian-guo;Faculty of Land Resources Engineering, Kunming University of Science and Technology;Yunnan Key Laboratory of Sino-German Bluc Mining and Utilization of Special Underground Space;Faculty school of Electrical Engineering Kunming University of Science and Technology;

Abstract: In view of the problem that mining and crushing of magnetite ore require huge energy consumption, the split Hopkinson pressure bar（SHPB） is used to test and analyze the dynamic mechanical properties and energy dissipation characteristics of magnetite ore during crushing process under different strain rates.Meanwhile, the complete dynamic failure process of the sample is simulated by ANSYS/LS-DYNA software.The results show that the dynamic compressive strength of the magnetite ore samples has a s... More
Keywords：

hopkinson pressure bar; magnetite ore; dynamic characteristics; failure modes; numerical simulation;

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc; (B) Chemistry/ Metallurgy/ Environment/ Mine Industry

  • Subject：

    Mining Engineering

  • Classification Code：

    TD315

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