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Distribution Law of In Situ Stress and Its Engineering Application in Rock Burst Control in Juye Mining Area

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  • Guangchao Zhang

    (College of Energy and Mining Engineering, Shandong University of Science & Technology, Qingdao 266590, China
    Shandong Energy Group Co., Ltd., Jinan 250014, China)

  • You Li

    (College of Energy and Mining Engineering, Shandong University of Science & Technology, Qingdao 266590, China)

  • Xiangjun Meng

    (College of Energy and Mining Engineering, Shandong University of Science & Technology, Qingdao 266590, China
    Shandong Energy Group Co., Ltd., Jinan 250014, China)

  • Guangzhe Tao

    (College of Energy and Mining Engineering, Shandong University of Science & Technology, Qingdao 266590, China)

  • Lei Wang

    (State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Huainan 232001, China)

  • Hanqing Guo

    (Shandong Energy Group Co., Ltd., Jinan 250014, China)

  • Chuanqi Zhu

    (State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Huainan 232001, China)

  • Hao Zuo

    (College of Energy and Mining Engineering, Shandong University of Science & Technology, Qingdao 266590, China)

  • Zhi Qu

    (College of Energy and Mining Engineering, Shandong University of Science & Technology, Qingdao 266590, China)

Abstract

This paper presents an integrated approach for mathematical statistics, theoretical analysis, and a field test to investigate the distribution law of in-situ stress and its engineering practice of rock burst control. The test site is located in the Juye mining area, Shandong Province, China. The main conclusions included: (1) There are two types of in-situ stress states in the Juye mining area, σ H > σ V > σ h (42.42%) and σ H > σ h > σ V (57.57%), which are mainly caused by the tectonic stress of the Heze and Fushan faults (The σ H , σ V, and σ h is the maximum principal stress, vertical principal stress or intermediate principal stress and minimum principal stress respectively). (2) The lateral pressure coefficients K H , K h , and K av show a non-linear distribution with increased depth, approaching 1.32, 0.96, and 1.41, respectively. The variation range of the horizontal difference stress μ d is 0.09–0.58. (3) The average value of the stress gradient is 3.05 MPa/100 m, and the main directions of the maximum horizontal principal stress are northeast–southwest, and northwest–southeast. (4) A new combined supporting strategy, incorporating optimization of roadway layout, anti-impact support system design, and local reasonable pressure relief, was proposed for the rock burst control, and its validity was verified via field monitoring. All these design principles and support strategies for the rock burst control presented in this study can potentially be applied to other similar projects.

Suggested Citation

  • Guangchao Zhang & You Li & Xiangjun Meng & Guangzhe Tao & Lei Wang & Hanqing Guo & Chuanqi Zhu & Hao Zuo & Zhi Qu, 2022. "Distribution Law of In Situ Stress and Its Engineering Application in Rock Burst Control in Juye Mining Area," Energies, MDPI, vol. 15(4), pages 1-17, February.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:4:p:1267-:d:745566
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    References listed on IDEAS

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    1. Hong Xue Han & Shunde Yin, 2018. "Determination of In-Situ Stress and Geomechanical Properties from Borehole Deformation," Energies, MDPI, vol. 11(1), pages 1-13, January.
    2. Alireza Salmachi & Mojtaba Rajabi & Carmine Wainman & Steven Mackie & Peter McCabe & Bronwyn Camac & Christopher Clarkson, 2021. "History, Geology, In Situ Stress Pattern, Gas Content and Permeability of Coal Seam Gas Basins in Australia: A Review," Energies, MDPI, vol. 14(9), pages 1-37, May.
    3. Pengju Xing & John McLennan & Joseph Moore, 2020. "In-Situ Stress Measurements at the Utah Frontier Observatory for Research in Geothermal Energy (FORGE) Site," Energies, MDPI, vol. 13(21), pages 1-20, November.
    4. Kang Yi & Zhenghe Liu & Zhiguo Lu & Junwen Zhang & Shuangyong Dong, 2020. "Effect of Axial In-Situ Stress in Deep Tunnel Analysis Considering Strain Softening and Dilatancy," Energies, MDPI, vol. 13(6), pages 1-14, March.
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    Cited by:

    1. Yulong Chen & Junwen Zhang & Jianhang Chen & Xuejie Deng, 2022. "Special Issue: Rock Burst Disasters in Coal Mines," Energies, MDPI, vol. 15(13), pages 1-6, July.

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