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Mining Method Optimization of Gently Inclined and Soft Broken Complex Ore Body Based on AHP and TOPSIS: Taking Miao-Ling Gold Mine of China as an Example

Author

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  • Qinqiang Guo

    (School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China
    The First Institute of Geological & Mineral Resources Survey of Henan, Luoyang 471000, China)

  • Haoxuan Yu

    (School of Resources and Safety Engineering, Central South University, Changsha 410083, China
    Equal contribution as first author.)

  • Zhenyu Dan

    (School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo 454000, China)

  • Shuai Li

    (School of Resources and Safety Engineering, Central South University, Changsha 410083, China)

Abstract

The gently inclined thin to medium thickness ore body under a weak rock stratum is one of the typical difficult bodies to mine. In order to solve the fuzziness, randomness, and uncertainty in the process of mining method optimization for such ore bodies, a multi-level, multi-factor, multi-objective, and multi-index comprehensive evaluation system involving technology, economy, construction, and safety was constructed by combining the analytic hierarchy process (AHP) and technique for order preference by similarity to ideal solution (TOPSIS). Taking the Miao-ling gold mine in China as an example, the AHP-TOPSIS comprehensive decision model of mining method optimization is established, the comprehensive superiority degrees of the four mining schemes are 67.57%, 45.07%, 56.07%, and 31.63%, and the upward horizontal drift backfill mining method is determined as the optimal scheme. The method is verified in the actual production of the mine, which not only ensures the safe production of the mine, but also achieves better technical and economic effects. The research results provide a reference for the optimization of mining methods for gently inclined and soft broken complex ore bodies at home and abroad.

Suggested Citation

  • Qinqiang Guo & Haoxuan Yu & Zhenyu Dan & Shuai Li, 2021. "Mining Method Optimization of Gently Inclined and Soft Broken Complex Ore Body Based on AHP and TOPSIS: Taking Miao-Ling Gold Mine of China as an Example," Sustainability, MDPI, vol. 13(22), pages 1-14, November.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:22:p:12503-:d:677910
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    References listed on IDEAS

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    5. Dongdong Chen & Xiaoyu Wu & Shengrong Xie & Yanding Sun & Qing Zhang & En Wang & Yaohui Sun & Long Wang & Hui Li & Zaisheng Jiang & Xiaowei Wu, 2020. "Study on the Thin Plate Model with Elastic Foundation Boundary of Overlying Strata for Backfill Mining," Mathematical Problems in Engineering, Hindawi, vol. 2020, pages 1-15, March.
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    Cited by:

    1. Shuai Li & Lifeng Yu & Wanjun Jiang & Haoxuan Yu & Xinmin Wang, 2022. "The Recent Progress China Has Made in Green Mine Construction, Part I: Mining Groundwater Pollution and Sustainable Mining," IJERPH, MDPI, vol. 19(9), pages 1-19, May.
    2. Ahmed M. A. Shohda & Mahrous A. M. Ali & Gaofeng Ren & Jong-Gwan Kim & Ahmed M. Abdo & Wael R. Abdellah & Abbas M. Hassan, 2022. "Sustainable Assignment of Egyptian Ornamental Stones for Interior and Exterior Building Finishes Using the AHP-TOPSIS Technique," Sustainability, MDPI, vol. 14(4), pages 1-17, February.
    3. Zaihai Wu & Zhaojun Qi & Yunpeng Kou & Zheng Li & Guoyan Zhao & Weizhang Liang, 2022. "Application of Extended Set Pair Analysis on Wear Risk Evaluation of Backfill Pipeline," Sustainability, MDPI, vol. 14(23), pages 1-17, November.

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