A case study of mining-induced impacts on the stability of multi-tunnels with the backfill mining method and controlling strategies

  • Qiang Sun
  • Jixiong Zhang
  • Qiang Zhang
  • Hao Yan
Original Article


Deep mining practices are jeopardized by the recurrent instability and failure of roadways/multi-tunnels. This paper describes a case study of the mining-induced impacts on the stability and control strategy of overlying multi-tunnels with backfill mining in the Ping Dingshan No. 10 Coal Mine in Henan Province, China. To reveal the dynamic impacts of coal mining on the stability of overlying multi-tunnels, particularly in the process of mining cycle and after the overlying strata long-term stability period, a 3D finite element model was applied to explore the effect of longwall panel width, advancing distance, and backfill material’s compaction ratio (BMCR) on the multi-tunnels’ deformation characteristics. The results obtained demonstrate that failure and deformation of the overlying multi-tunnels become more pronounced with the increased longwall panel width and advancing distance, as well as with BMCR reduction. The ranking of deformation degree in the overlying multi-tunnels is as follows: main haulage roadway > auxiliary haulage roadway > main inclined shaft > rock crosscut > auxiliary inclined shaft. Using a 2D physical simulation experiment, a comprehensive analysis method and engineering design concept for the stability control of overlying multi-tunnels with backfill mining are put forward based on further research of the deformation characteristics of multi-tunnels using caving and backfilling method. The results obtained are instrumental to the stability control of overlying tunnels in deep mining practices with similar conditions.


Multi-tunnels Backfill coal mining Stability control Numerical and physical simulation 



This research was financially supported by the Fundamental Research Funds for the Central Universities (2017XKZD13). The authors gratefully acknowledge the financial support of the organization. The authors also thank Prof. Andy Fourie for his valuable suggestions.


  1. Dalgıc S (2002) Tunneling in squeezing rock, the Bolu tunnel, Anatolian Motorway. Turk Eng Geol 67(1–2):73–96CrossRefGoogle Scholar
  2. Euler DS (2017) Application of ventilation management programs for improved mine safety. Int J Min Sci Technol 27(4):647–650CrossRefGoogle Scholar
  3. He MC, Xie HP, Peng SP, Jiang YD (2005) Study on rock mechanics in deep mining engineering. Chin J Rock Mech Eng 24(16):2803–2813 (in Chinese) Google Scholar
  4. Huang YL, Zhang JX, An BF, Zhang Q (2011) Overlying strata movement law in fully mechanized coal mining and backfilling longwall face by similar physical simulation. J Min Sci 47(5):618–627CrossRefGoogle Scholar
  5. Ju F, Huang P, Guo S, Xiao M, Lan LX (2017) A roof model and its application in solid backfilling mining. Int J Min Sci Technol 27(1):139–143CrossRefGoogle Scholar
  6. Li M, Zhang JX, Deng XJ, Ju F, Li BY (2017) Measurement and numerical analysis of water-conducting fractured zone in solid backfill mining under an aquifer: a case study in China. Q J Eng Geol Hydroge 50(1):81–87CrossRefGoogle Scholar
  7. Liang S, Elsworth D, Li XH, Fu XH, Yang D, Yao QL, Wang Y (2015) Dynamic impacts on the survivability of shale gas wells piercing longwall panels. J Nat Gas Sci Eng 26:1130–1147CrossRefGoogle Scholar
  8. Miao XX, Zhang JX, Guo GL (2010) Study on waste-filling method and technology in fully- mechanized coal mining. J China Coal Soc 35(1):1–6Google Scholar
  9. Pappas DM, Mark C (1993) Behavior of simulated longwall gob material. US Bureau of Mines, report of investigations, vol 9458, pp 25–27Google Scholar
  10. Peng SS (1986) Coal mine ground control, 2nd edn. Wiley, New YorkGoogle Scholar
  11. Peng SS (1992) Surface subsidence engineering. Society for Mining, Metallurgy, and Exploration, Inc, Littleton, ColoradoGoogle Scholar
  12. Peng SS, Chiang HS (1984) Longwall mining. Wiley, New YorkGoogle Scholar
  13. Rao J (2008) Study on stability of roadway group affected by mining action. Henan Polytechnic University, JiaozuoGoogle Scholar
  14. Steiner W (1996) Tunnelling in squeezing rocks: case histories. Rock Mech Rock Eng 29(4):211–246CrossRefGoogle Scholar
  15. Sun Q, Zhang JX, Ju F, Li LY, Zhao X (2015) Research and application of schemes for constructing concrete pillars in large section finishing cut in backfill coal mining. Int J Min Sci Technol 25(6):915–920CrossRefGoogle Scholar
  16. Sun Q, Zhang JX, Zhang Q, Yin W, Germain D (2016) A protective seam with nearly whole rock mining technology for controlling coal and gas outburst hazards: a case study. Nat Hazards 84(3):1–14CrossRefGoogle Scholar
  17. Sun Q, Zhang JX, Zhang Q, Zhao X (2017) Analysis and prevention of geo-environmental hazards with high-intensive coal mining: a case study in China’s western eco-environment frangible area. Energies 10(6):786CrossRefGoogle Scholar
  18. Tu XZ, Bi JX (1998) Mining-induced impacts on the deformation characteristics of overlying roadways. J Min Saf Eng (1):41–43Google Scholar
  19. Tu M, Zhang XY, Zhang HL (2008) Dynamic effect on overlying coal entry in using lower protective seam mining and its controlling measures. J Min Saf Eng 25(4):426–429Google Scholar
  20. Wang FT, Tu SH, Zhang C, Zhang YW, Bai QS (2016) Evolution mechanism of water-flowing zones and control technology for longwall mining in shallow coal seams beneath gully topography. Environ Earth Sci 75(19):1309CrossRefGoogle Scholar
  21. Yu K (2014) Study on the stability and control technology of surrounding rock of shallow roadway close above goaf. D. China University of Mining and Technology, XuzhouGoogle Scholar
  22. Zhang JX, Wu Q, Huang YL, Zhou YJ (2010) Strata pressure behavior by raw waste backfilling with fully-mechanized coal mining technology. J China Coal Soc 35(8):1–4Google Scholar
  23. Zhang JX, Jiang HQ, Deng XJ, Ju F (2014) Prediction of the height of the water-conducting zone above the mined panel in solid backfill mining. Mine Water Environ 33(4):317–326CrossRefGoogle Scholar
  24. Zhang JX, Zhang Q, Sun Q, Gao R, Germain D, Abro S (2015) Surface subsidence control theory and application to backfill coal mining technology. Environ Earth Sci 74(2):1439–1448CrossRefGoogle Scholar
  25. Zhang JX, Zhang Q, Spearing AJS, Miao XX, Guo S (2017) Green coal mining technique integrating mining-dressing-gas draining-backfilling-mining. Int J Min Sci Technol 27(1):17–27CrossRefGoogle Scholar
  26. Zhou N, Jiang HQ, Zhang JX (2013) Application of solid backfill mining techniques for coal mine under embankment dam. Min Technol 122(4):228–234CrossRefGoogle Scholar

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© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.State Key Laboratory of Coal Resources and Safe MiningChina University of Mining and TechnologyXuzhouChina
  2. 2.School of Civil, Environmental and Mining EngineeringUniversity of Western AustraliaPerthAustralia

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