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Risks Induced by Room Mining Goaf and Their Assessment: A Case Study in the Shenfu-Dongsheng Mining Area

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  • Hengjie Luan

    (College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao 266590, China
    State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China)

  • Huili Lin

    (China Coal Research Institute, Beijing 100013, China)

  • Yujing Jiang

    (College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao 266590, China
    State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China
    Graduate School of Engineering, Nagasaki University, Nagasaki 852-8521, Japan)

  • Yahua Wang

    (College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao 266590, China
    State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China)

  • Jiankang Liu

    (College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao 266590, China
    State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China)

  • Pu Wang

    (College of Mining and Safety Engineering, Shandong University of Science and Technology, Qingdao 266590, China
    State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, China)

Abstract

A large area of room mining goaf has been left throughout the history of coal mining worldwide. However, because the pillars cannot perpetually retain stability, the sudden collapse of a large area of goaf can occur. The existing large areas of room mining goaf have become a potential source of geological risks in mining areas with room mining goafs worldwide. To elucidate the distribution and state of the goafs, a survey of the characteristics of goafs was carried out by geophysical exploration and drilling methods. From this complete survey of room mining goafs, this paper has outlined eight common goaf risks, emphasizing the types of goaf risks that require precautions, and the formation mechanisms of each goaf risk has been analyzed. Considering that the occurrence of a risk may lead to several other risks and there is a certain interaction between the risks, more specific room mining goaf risk forms, causes and scopes of influence have been listed. It is advantageous to use a support vector machine, which is useful for small-sample problems, to assess the goafs. A support vector machine assessment model of room mining goafs was established, and sample training and verification were carried out. Comparing the risk assessment results with those of the field investigation, it can be seen that the evaluation model has a high accuracy. This work can greatly contribute to the prediction and prevention of risks induced by room mining goaf.

Suggested Citation

  • Hengjie Luan & Huili Lin & Yujing Jiang & Yahua Wang & Jiankang Liu & Pu Wang, 2018. "Risks Induced by Room Mining Goaf and Their Assessment: A Case Study in the Shenfu-Dongsheng Mining Area," Sustainability, MDPI, vol. 10(3), pages 1-17, February.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:3:p:631-:d:133869
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    References listed on IDEAS

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    1. Herong Gui & Manli Lin, 2016. "Types of water hazards in China coalmines and regional characteristics," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 84(2), pages 1501-1512, November.
    2. Yang Yu & Shen-en Chen & Ka-zhong Deng & Hong-dong Fan, 2017. "Long-Term Stability Evaluation and Pillar Design Criterion for Room-and-Pillar Mines," Energies, MDPI, vol. 10(10), pages 1-13, October.
    3. Ebrahim Ghasemi & Mohammad Ataei & Kourosh Shahriar, 2014. "Prediction of global stability in room and pillar coal mines," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 72(2), pages 405-422, June.
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    Cited by:

    1. Nan Zhou & Hao Yan & Shuyin Jiang & Qiang Sun & Shenyang Ouyang, 2019. "Stability Analysis of Surrounding Rock in Paste Backfill Recovery of Residual Room Pillars," Sustainability, MDPI, vol. 11(2), pages 1-13, January.
    2. Kang Ma & Yuxiu Zhang & Mengying Ruan & Jing Guo & Tuanyao Chai, 2019. "Land Subsidence in a Coal Mining Area Reduced Soil Fertility and Led to Soil Degradation in Arid and Semi-Arid Regions," IJERPH, MDPI, vol. 16(20), pages 1-14, October.
    3. Wenbing Guo & Mingjie Guo & Yi Tan & Erhu Bai & Gaobo Zhao, 2019. "Sustainable Development of Resources and the Environment: Mining-Induced Eco-Geological Environmental Damage and Mitigation Measures—A Case Study in the Henan Coal Mining Area, China," Sustainability, MDPI, vol. 11(16), pages 1-34, August.
    4. Qingfu Li & Zhipeng Wang & Linfang Lu & Qiang Ma, 2021. "Construction Risk Evaluation of Poor Geological Channels Based on Cloud Model-Improved AHP–Matter–Element Theory," Sustainability, MDPI, vol. 13(17), pages 1-22, August.

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