Chong Li

Professor, PhD/Postdoctoral Fellow
Department of Mining Engineering, School of Mining Engineering
China University of Mining and Technology

E-mail: lichongck@126.com 

Education background

Ph.D., Mining Engineering, China University of Mining and Technology,2012

M.S., Mining Engineering, Anhui University of Science and Technology,2007

B.S., Mining Engineering, Anhui University of Science and Technology, 2004

Experience

2007/09–2009/06 Lecturer  Department of Mining and Civil Engineering, Jiangxi Vocational and Technical College of Industry and Engineering

2012/06–2016/12 Lecturer  Department of Mining Engineering, School of Mining Engineering, China University of Mining and Technology

2017/01–2022/12 Associate Professor  Department of Mining Engineering, School of Mining Engineering, China University of Mining and Technology

2023/01–Present Professor  Department of Mining Engineering, School of Mining Engineering, China University of Mining and Technology

Areas of Research Interests/ Research Projects

Guided by the principles of "efficiency, intelligence, economy, and greenness", breakthroughs are sought in theory, technology, equipment, and materials .

1. High-efficiency mining technology for residual coal resources

(Short-wall mining; backfill re-mining; overhead mining; mining of coal seam groups; passing through gob entries)  Application scenarios: corner coal, damaged areas of small coal mines, coal pillar recovery, overhead mining areas, etc. 

2. Economic support and rapid tunneling for roadways

(Drilling pressure relief; hydraulic fracturing; cumulative energy blasting; high-strength flexible support; intelligent temporary support with high initial bearing capacity; rapid floor hardening technology)  Coal roadways: dynamic pressure roadways, water-rich roadways, roadways protected by small coal pillars, large-span roadways, etc.; hard rock roadways; soft rock roadways (double-shell support)

3. Surrounding rock stability control for gob-side entry retaining

(Retaining entries by constructing backfill bodies; gob-side roof cutting for entry retaining) Applicable to: thick coal seams; thin coal seams

4. Rapid high-pressure static blasting and fracturing technology

(Coal seam permeability enhancement; hard rock fracturing)

Honors And Awards

Key Technology of Fully Mechanized Caving Re - mining in Damaged Areas of Small Coal Mines with Shallow Buried Thick Coal Seams, China Coal Industry Association, Second Prize of China Coal Science and Technology Award, 2013

Research on Key Technologies of Backfill Re - mining in Damaged Areas of Small Kiln with Extra - thick Coal Seams, People's Government of Shanxi Province, Second Prize of Shanxi Provincial Science and Technology Award, 2014

Key Technology of Composite Laminated Shell Coordination Control for Complex Surrounding Rock in Large - section Roadways, China Coal Industry Association, Third Prize of Coal Science and Technology Award, 2014

Research on Key Technology of Low - density High - strength Support for Large - span Roadways, China Coal Industry Association, Third Prize of Science and Technology Award, 2016

Key Technology of Rapid Pillarless Entry Retaining with Self - backfilling by Roof Cutting in Thick Soft Rock Roof, China Coal Industry Association, Third Prize of China Science and Technology Award, 2016

Research on Stability of Section Coal Pillars and Surrounding Rock Control Technology for Mining Roadways under Multiple Mining Influences, China Coal Industry Association, Third Prize of China Science and Technology Award, 2016

Research on Key Technology of Yielding Double - shell Support for Main Roadways in High - stress Broken Surrounding Rock, China Association for Work Safety, Third Prize of Safety Science and Technology Progress Award, 2019

Research on Key Technology of Yielding Double - shell Support for Main Roadways in High - stress Broken Surrounding Rock, People's Government of Shanxi Province, Third Prize of Shanxi Provincial Science and Technology Award, 2020

Research on Complete Technology of Directional Hydraulic Fracturing for Hard Roof in Fully Mechanized Caving Faces, China Coal Industry Association, Second Prize of China Coal Science and Technology Award, 2023

Research on Key Technology of High - strength Flexible Support for Dynamic Pressure Roadways, China Coal Industry Association, Third Prize of China Coal Science and Technology Award, 2024

Published Monographs

1. Support Theory and Technology for Deep Large-span Roadways / By Li Chong et al. — Xuzhou: China University of Mining and Technology Press, 2022.9

2. Double-shell Support Theory and Technology for Deep Roadways / By Li Chong et al. — Xuzhou: China University of Mining and Technology Press, 2019.12

3. Underground Space Development and Design / Edited by Wang Xiangyu, Li Chong et al. — Xuzhou: China University of Mining and Technology Press, 2023.12

Selected Invention Patents:

Professor Li Chong has been granted more than 30 authorized patents.

1. Chen Liang, Liu Haibin, Xu Jinhai, Li Anhong, Qin Shuai, Li Chong, etc., Full - section Rotatable Mobile Negative - Pressure Dust Capture Device, Patent No.: 201520075516.8

2. Lu Zhigang, Li Chong, Zhao Wencai, Cao Yue, Zhang Yongbin, Cheng Zhengmin, Li Min, Yan Lihong, Chen Qiuyu, A Test Device for the Influence of Water on Roadway Surrounding Rock and Resin Anchor, November 18, 2015, China, ZL201520544295.9

3. Ma Zhanguo, Yang Kai, Li Chong, etc., A True Triaxial Multi - field Multi - phase Coupled Dynamic Test System and Method, Patent No.: ZL201510010360.4

4. Li Chong, Zhao Hongliang, Liu Ding, Li Liangbing, Cao Yue, Guo Zhilin, Li Anhong, Chang Chunfeng, A Liquid - injection Tray Bolt, Patent No.: ZL201820735833.6  

5. Li Chong, Zhao Hongliang, Cao Yue, etc., A Grouting Anchoring Self - drilling Prestressed Bolt Device for Soft Rock Roadways, Patent No.: ZL201820737228.2  

6. Li Chong, Li Guangxing, Wang Jian, etc., A New Type of Elongable Anchor Cable Device with High Anchoring Force, Patent No.: ZL201921362430.2  

7. Zhang Zhijing, Zuo Jianghong, Li Chong, etc., A New Type of Long Bolt for Roof Support in Thick Coal Seams of Coal Mines, Patent No.: ZL201822103583.7  

8. Li Chong, Zuo Jianghong, Xie Jun, etc., A New Type of Temporary Support Device for Rectangular Roadways Excavated Along the Floor in Thick Coal Seams, Patent No.: ZL201921841218.4  

9. Li Chong, Kang Zhipeng, Li Baizhuang, etc., A Retractable Arc - shaped Roof Beam, Patent No.: ZL201910693200.2  

10. Wang Pingqing, Wang Zhongkui, Song Xubin, Li Chong, etc., Hydraulic Support Roof - connection Device for Pillarless Mining Passing Through Gob Entry, Patent No.: ZL202022634004.9  

11. Li Chong, Ni Yajun, Xu Zhijun, etc., An Anti - impact Device for Side Anchor Cables in High - stress Roadways, Patent No.: ZL202022518134.6  

12. Li Chong, Song Husen, Xu Zhijun, etc., A New Type of Bendable Large Bolt Device, Patent No.: ZL202022519848.9  

13. Li Chong, Zhao Hongliang, Liu Ding, etc., A Liquid - injection Tray Bolt, Patent No.: ZL201820735833.6  

14. Li Chong, Li Hongtao, Ji Zhiqiang, etc., An Efficient Gas Drainage Device Based on Hydraulic Fracturing, Patent No.: ZL202111530712.0  

15. Li Chong, Le Yuhang, Wang Zhongkui, etc., A Composite Floor Structure, Patent No.: ZL202123067260.5  

16. Liu Yitao, Li Chong, Wang Junfeng, Tai Lianhai, etc., A Roof Anchor Cable Water Dripping Device with High - efficiency Drainage, Patent No.: ZL202322559400.3  

17. Li Chong, Xu Zhijun, Gu Wenlin, Tai Lianhai, Sun Lei, Cao Yue, etc., A Manufacturing Method of Liquid - injection High - strength Constant - resistance Prestressed Bolt, Application No.: 202410371744.8  

18. Li Chong, Cao Jianlai, Tai Lianhai, etc., A High Prestress and Large Elongation Anchoring Structure and Its Support Method, Application No.: 202411785253.4

Papers published in English Journals:

Professor Li Chong has published more than 50 papers in authoritative journals at home and abroad, with more than 30 of them indexed by SCI and EI.

1. Li Chong, Xu Jinhai, Li Ming, Li Kai. Determination and Application of the Thickness of the Reserved Rigid - Gap Soft Layer in Deep Soft Rock Roadways[J]. Journal of China University of Mining & Technology, 2011, 40(4): 505 - 510. (EI indexed)

2. Li Chong, Xu Jinhai, Wu Rui. Mechanism and Practice of Coupling Support of Anchor Cable - Network Shell Lining in Deep Soft Rock Roadways[J]. Journal of Mining & Safety Engineering, 2011, 28(2): 193 - 198. (EI indexed).

3. LI Chong, Xu Jinhai, Fu Chunsheng, Wu Rui, Ma Qianqian. Mechanism and practice of rock control in deep large - span cut holes[J]. Mining Science and Technology, 2011, 21(6): 891 - 896. (EI indexed)

4. Li Chong, Xu Jinhai, Wu Rui, Dong Jiantao. Mechanism and Practice of Bolt Support Release in Mining Roadways of Fully Mechanized Caving Faces[J]. Journal of China Coal Society, 2011, 36(12): 2018 - 2023. (EI indexed)

5. LI Chong, Xu Jinhai, Pan Jianzhong, Ma Chao. Distribution laws and types of plastic zones of large - span roadway surrounding rock[J]. International Journal of Mining Science and Technology, 2012, 22(01): 23 - 25. (EI indexed)

6. Li Chong, Xu Jinhai, Li Ming. Stress Characteristics Analysis of the Full - length Anchored Prestressed Bolt Body[J]. Journal of Mining & Safety Engineering, 2013, 30(2): 188 - 193. (EI indexed)

7. Li Chong, Xu Jinhai, Wang Zhongliang, Qin Shuai. Domino instability effect of surrounding rock - coal pillars in a room - and - pillar gob[J]. International Journal of Mining Science and Technology, 2013, 23(06): 913 - 918. (EI indexed)

8.  Li Chong, Wang Zhongliang, Liu Tao. Principle and practice of coupling support of double yielding shell of soft - rock roadway under high stress[J]. International Journal of Mining Science and Technology, 2014, 24(04): 513 - 518. (EI indexed)

9. Li Chong, Ma Zhanguo, He Chunchun, Gong Peng. Experimental Study of Continuous Grading Strip Mine Slag Compaction Characteristics [J]. Electronic Journal of Geotechnical Engineering, 2014, 19,Y: 8535 - 8544. (EI indexed)

10. Li Chong, Cao Yue, Ma Zhanguo, Cheng Zhengmin, Zhang Yankun. Support Mechanism of Short, Thin and Dense Bolts Anchored in Full Length to Soft - Rock Roadway[J]. Electronic Journal of Geotechnical Engineering, 2014, 19,Z2: 10121 - 10132. (EI indexed)

11. D. Ma, X.B. Mao, C. Li, F. Du. Boundary Integral Computation of Elastic Water Resisting Key Strata under the Condition of Discontinuous Load[J]. Computer Modeling in Engineering and Sciences, 2012, 83(06): 561 - 574. (SCI indexed)

12.  WAN Shiwen, XU Jinhai, LI Chong. Study on the chaotic behavior of mining rock seepage system[J]. Mining Science and Technology, 2011,21(6):755 - 759. (EI indexed)

13. Weng Mingyue, Xu Jinhai, Li Chong. Field Study on the Relationship between Coal and Rock Failure, Strata Behavior and Gas Emission in Fully Mechanized Caving Faces[J]. Journal of China Coal Society, 2011, 36(10): 1709 - 1714. (EI indexed)

14. Wu Rui, Xu Jiahai, LI Chong, Zhou Baojing, Ma Qianqian, Wang Zhongliangt. Stress wave propagation in supporting bolts: A test for bolt support quality[J]. International Journal of Mining Science and Technology, 2012, 22(04): 567 - 571. (EI indexed)

15. Li Chong, Xu Jinhai, Wang Zhongliang, Qin Shuai. Domino instability effect of surrounding rock - coal pillars in a room - and - pillar gob[J]. International Journal of Mining Science and Technology, 2013.12.10, 23(6): 913 - 918. (EI indexed)

16.  Li Chong, Wang Zhongliang, Liu Tao. Principle and practice of coupling support of double yielding shell of soft - rock roadway under high stress[J]. International Journal of Mining Science and Technology, 2014.07.15, 24(4): 513 - 518. (EI indexed)

17. Li Chong(#)(), Ma Zhanguo, He Chunchun, Gong Peng. Experimental Study of Continuous Grading Strip Mine Slag Compaction Characteristics[J]. Electronic Journal of Geotechnical Engineering, 2014.10.20, 19(Y): 8535 - 8544. (EI indexed)

18. Li Chong(#)(), Cao Yue, Ma zhan - guo, Cheng Zheng - min, Zhang Yan - kun. Support Mechanism of Short, Thin and Dense Bolts Anchored in Full Length to Soft - Rock Roadway[J]. Electronic Journal of Geotechnical Engineering, 2014.12.10, 19(Z2): 10121 - 10132. (EI indexed)

19. Li Ming, Mao Xianbiao, Lu Aihong, Tao Jing, Zhang Guanghui, Z Zhang Lianying, Li Chong. Effect of specimen size on energy dissipation characteristics of red sandstone under high strain rate[J]. International Journal of Mining Science and Technology, 2014.3.01, 24(2): 151 - 156. (EI indexed)

20. R. Wu, J.H.Xu, C.Li, Z.L.Wang, Q.Shuai. Stress distribution of mine roof with the boundary element method[J]. Engineering Analysis with Boundary Elements, 2015.1.5, 50(2): 39 - 46. (EI indexed)

21. Li Chong, Cao Yue, Cheng Zhengmin, Xu Jinhai, Chen Liang. Study on Roof Collapse Law and Span - Reducing Support Technology of Large - Span Roadways[J]. Journal of Mining & Safety Engineering, 2015.11.10, 32(6): 978 - 983. (EI indexed)

22. Chong Li, Amit Kumar, Sunil Kumar, Xiao - Yun Yang. On the approximate solution of nonlinear time - fractional KdV equation via modified homotopy analysis Laplace transform method[J]. Journal of Nonlinear Science and Application, 2016.11.20, 19(9): 5463 - 5470. (SCI indexed)

23. Chong Li, et al. Slicing filling principle and repeated mining key technology for extra - thick coal seams in small coalpit destroyed areas[J]. Bulgarian Chemical Communications, 2017, 49(1): 66 - 70. (SCI indexed)

24. Chong Li, Banghua Yao, Qingqing Ma. Numerical Simulation Study of Variable‐Mass Permeation of the Broken Rock Mass under Different Cementation Degrees[J]. Advances in Civil Engineering, 2018, 2018(1): 3592851. (SCI indexed); Chong Li, Sifeng He. Experimental study on seepage and fracture characteristics of cemented rock samples under triaxial stress[J]. Lithosphere, 2021, 2021(Special 7): 9893399. (SCI indexed)

25. Chong Li, Sifeng He, Zhijun Xu. Disastrous mechanism and concentration distribution of gas migration in fully mechanized caving stope in Wuyang coal mine[J]. Geofluids, 2021, 2021(1): 4366942. (SCI indexed)

26. Chong Li, Sifeng He. Experimental study on seepage and fracture characteristics of cemented rock samples under triaxial stress[J]. Lithosphere, 2021, 2021(Special 7): 9893399. (SCI indexed)

27. Chong Li, Jian Zhang, Han Jun, et al. A numerical solution to the effects of surface roughness on water–coal contact angle[J]. Scientific Reports, 2021, 11(1): 459. (SCI indexed)

28. Li Chong, He Sifeng, Chen Liang. Study on Asymmetric Fracture Mechanism and Control Countermeasures of Roof in Large - Span Soft Rock Roadways Crossing Faults[J]. Journal of Mining & Safety Engineering, 2021, 38(6): 1081. (EI indexed)

29. Chong Li, Sifeng He, Zhijun Xu. Experimental Investigation on Long‐Term Strength and Acoustic Emission Characteristics of Coal Pillar under Inclined Compression Loading[J]. Geofluids, 2022, 2022(1): 1213215.

30. Chong Li, Zhijun Xu. Numerical modeling and investigation of fault - induced water inrush hazard under different mining advancing directions[J]. Mathematics, 2022, 10(9): 1561. (SCI indexed)

31. Chong Li, et al. Experimental study on expansion and cracking properties of static cracking agents in different assembly states[J]. International Journal of Mining Science and Technology, 2022, 32(6): 1259 - 1272. (SCI indexed)

32. Chong Li, Sifeng He. Erosion Effect on Non‐Darcy Hydraulic Characteristics of Limestone and Mudstone Mixture[J]. Geofluids, 2022, 2022(1): 8781289. (SCI indexed)

33. Li Chong, Tai Lianhai. Study on the Mechanism of High - Strength Flexible Support in Strong Dynamic Pressure Roadways Based on Energy Release Characteristics[J]. Journal of Mining & Safety Engineering, 2022, 39(05): 930 - 939. DOI:10.13545/j.cnki.jmse.2022.0130. (EI indexed)

Hosted Vertical Projects

1. National Natural Science Foundation of China (Young Scientists Fund): Research on Damage Evolution and Support Mechanism of Yielding Shell in Deep Soft Rock Roadways (51304200), January 2014 – December 2016, Principal Investigator

2. China Postdoctoral Science Foundation (Special Funding of the 7th Batch): (2014T70560), 2014–2017, Principal Investigator

3. China Postdoctoral Science Foundation Project: (2013M540477), 2013–2015, Principal Investigator

4. China University of Mining and Technology "Qihang Plan" Funding Project: Research on Pressure Relief and Span Reduction Support Mechanism for High-stress Large-span Roadways, 2012, Principal Investigator

5. National Natural Science Foundation of China (General Program): Mechanism of Drilling Pressure Relief and Double Micro-arch Span Reduction Support for Deep Large-span Roadways (51874277), January 2019 – December 2022, Principal Investigator

6. National Natural Science Foundation of China (General Program): Mechanism of Coupled Instability of Overburden-Coal Pillar Groups and Water-inrush Sand-inrush under Strong Mining Disturbance in Shallow Coal Seams (52374140), January 2024 – December 2027, Principal Investigator

Hosted Horizontal Projects 

1. Research on Complete Technology of High-strength Economic Support and Rapid Tunneling for Dynamic Pressure Roadways in Nangou Coal Industry (2021210180), July 2021–July 2023, Principal Investigator

2. Research on Overhead Mining Technology for Thick Coal Seams in Nangou Coal Industry (2022210076), March 2022–December 2026, Principal Investigator

3. Key Technology Research on Cracking and Pressure Relief of End Suspended Roof in Fully Mechanized Caving Face of Gucheng Coal Mine (2022210242), July 2022–December 2022, Principal Investigator

4. Research on Crossheading Layout Design and Track UpHill Reinforcement Scheme Based on Hydraulic Fracturing Technology (2022210241), August 2022–August 2024, Principal Investigator

5. Research on High-strength Economic Support and Parameter Optimization for Soft Rock Roadways with Roof Water Dripping in Jintong Coal Mine (2023210282), April 2023–December 2023, Principal Investigator

6. Research on Roadway Layout and Support Reliability Evaluation and Control Technology under Goaf (2023210281), July 2023–July 2025, Principal Investigator

7. Study on Spatial Distribution Evolution Law of Stress Field in Overlapping Mining of Multi-coal Seam Working Faces and Optimization of Successive Excavation Faces in Baotou Energy Wanli Mining Area (2025210046), January 2025–January 2027, Principal Investigator

8. Research on Development of Coal-based Solid Waste Backfill Materials and Design of Grouting Technology Scheme (2025210131), April 2025–April 2027, Principal Investigator