Dayang Xuan

China University of Mining and Technology, Department of Mining Engineering, School of Mines, No. 1 Daxue Road, Xuzhou, Jiangsu 221116, China

E-mail: dayang.xuan@cumt.edu.cn

Education background

Ph.D., Mining Engineering, China University of Mining and Technology, 2014

B.S., Mining Engineering, China University of Mining and Technology, 2009

Experience

Associate Professor of the Department of Mining Engineering, China University of Mining and Technology, China, 2018- Present, full time

Lecturer of the Department of Mining Engineering, China University of Mining and Technology, China, 2015.12-2017, full time

Areas of Research Interests/ Research Projects

Strata movement and green mining

Overburden Isolated Grouting

Honors And Awards

The Second-class China National Coal Association Technology Advancement Ward, 2023 (Rank: 4)

The First-class China National Coal Association Technology Advancement Ward, 2022 (Rank: 2)

The Second-class China National Coal Association Technology Advancement Ward, 2018 (Rank: 2)

The Second-class China National Coal Association Technology Advancement Ward, 2015 (Rank: 2)

The First-class China National Coal Association Technology Advancement Ward, 2012 (Rank: 8)

The Shanxi Province Science and Technology Progress Award, 2020 (Rank: 2)

The Anhui Province Science and Technology Progress Award, 2019 (Rank: 2)

The Anhui Province Science and Technology Progress Award, 2012 (Rank: 7)

Academic Achievement

Plenary Speeches in Recent 5 Years

Selected Invention Patents:

Prof. Dayang Xuan has published 26 invention patents.

1. Xuan DY, Li J, Xu JL, (Approval Date: Mar. 2023), Isolated overburden grouting filling method for coal gangue underground emission reduction. US12,044,125 B2, United States.

2. Xuan DY, Xu JL, Ni JM, Yu HJ, (Approval Date: Aug. 2014), The method of mining overburden zoning isolation double boreholes staggered grouting filling drill hole arrangement. ZL2012101649301, China.

3. Xuan DY, Xu JL, Lu J, (Approval Date: Apr. 2015), A device and method for simulating the grouting filling of overburden isolated grout filling in mining operations. ZL2013102787816, China.

4. Xuan DY, Xu JL, Wang BL, Teng H, (Approval Date: Dec. 2016), A Method of Identifying the injection horizon of Overburden Isolated Grout Filling. ZL2015100329757, China.

5. Xuan DY, Xu JL, Wang BL, Teng H, (Approval Date: Jan. 2017), A method for detecting the effective spreading radius of overburden isolation grout filling slurry. ZL2015101222738, China.

6. Xuan DY, Xu JL, Li W, Ge CG, Wang BL, Ni JM, Chen JX, (Approval Date: Jun. 2017), A method for both grouting and filling that leverages surface gas extraction boreholes. ZL2015106363126, China.

7. Xuan DY, Zhang L, Xu JL, (Approval Date: Apr. 2019), Experimental system and method for the compression of fly ash slurry with overburden isolated grouting. ZL2016105769457, China.

8. Xuan DY, Chen L, Wang CC, Li J, Zheng KD, Xu JL, (Approval Date: Jul. 2020), The determination of overburden isolation grout filling horizon based on borehole injection flow measurement. ZL2019109423305, China.

9. Xuan DY, Xu JL, Li J, Zheng KD, (Approval Date: Sep. 2020), The L-shape drilling method for extracting depressurized gas during the process of overburden isolation grout filling. ZL2020109524563, China.

10. Xuan DY, Zheng KD, Li J, Xu JL, (Approval Date: Sep. 2020), The experimental device and method for three-dimensional simulation of overburden isolation grout filling slurry flow law. ZL2020109531726, China.

11. Xuan DY, Li J, Xu JL, (Approval Date: Jun. 2022), The method of overburden isolated grouting filling is employed to reduce gangue emissions in underground settings. ZL202111001931X, China.

12. Xuan DY, Xu JL, Li J, (Approval Date: Nov. 2022), The method of controlling the diffusion range of slurry filling in overburden isolated grouting. ZL202210340443X, China.

13. Xuan DY, Xu JL, (Approval Date: Dec. 2022), Methods for Controlling Surface Settlement through Grouting and Filling of Loose Layers at the Upper Boundary of Bedrock. ZL2022103404393, China.

14. Xuan DY, Xu JL, (Approval Date: Dec. 2022), The method of overburden compaction grout filling continuous mining. ZL2022103181412, China.

15. Xuan DY, Xu JL, (Approval Date: Apr. 2023), The method of coal mine gangue and CO2 mining overburden rock isolation grouting filling abatement. ZL2022103179893, China.

16. Xu JL, Xuan DY, Zhu WB, (Approval Date: Oct. 2014), Grout-filled method of zoned of coal mining with overburden isolation. ZL2012101649299, China.

17. Xu JL, Xuan DY, Ni JM, Yu HJ, Lu J, (Approval Date: Dec. 2014), Coal mining rate control method matched to overburden isolated grout filling. ZL2012101649284, China.

18. Xu JL, Xuan DY, Wang BL, Wang XZ, (Approval Date: Apr. 2017), The method of cutting hole side localized compression coal overburden isolated grout filling non-relocation village mining. ZL2015100893415, China.

19. Xu JL, Xuan DY, Wang BL, (Approval Date: May. 2017), The method of simultaneous implementation of ground drilling for extracting depressurized gas and overburden isolated grout filling. ZL2015106362994, China.

20. Xu JL, Xuan DY, Wang BL, (Approval Date: Dec. 2022), The method of overburden isolated grout filling to prevent and control mine earthquake and impact ground pressure. ZL2022104017260, China.

21. Xu JL, Xuan DY, Li J, Wang BL, Zhang L, (Approval Date: May. 2022), The method of green mining for the overburden isolated grouting of coal gangue in high-intensity mining face. ZL2021110019165, China.

22. Xu JL, Xuan DY, (Approval Date: Apr. 2023), Coal-base solid waste overburden isolation grouting and filling water retention coal mining method. ZL2022103099827, China.

23. Li J, Xuan DY, Xu JL, (Approval Date: Mar. 2023), The method of overburden isolated grouting and filling of unconfined condition. ZL2022103404406, China.

24. Xu JL, Liu K, Xuan DY, (Approval Date: Apr. 2015), A method of grouting and filling and compacting the filling body of the hollow area from the roof roadway. ZL2013104583777, China.

25. Wang BL, Xu JL, Xuan DY, Teng H, (Approval Date: Apr. 2017), A novel device and methodology for the penetration of drilling holes that specifically designed for the overburden isolated grout filling. ZL2015106189882, China.

26. Ni JM, Xu JL, Chen JX, Xuan DY, Wei XP, Zhang L, Wu JG, (Approval Date: Feb. 2019), A method of controlling surface residual settlement by grouting and filling in old mining hollow areas. ZL2016110934168, China.

Papers published in English Journals:

Dr. Dayang Xuan has published more than 20 papers in the field of mining engineering.

1. Xuan DY, Wang BL, Xu JL, “A shared borehole approach for coal-bed methane drainage and ground stabilization with grouting,” INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 86: 235-244, 2016.

2. Xuan DY, Xu JL, “Longwall surface subsidence control by technology of isolated overburden grout injection,” INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY, 27(5): 813-818, 2017.

3. Xuan DY, Xu JL “Grout injection into bed separation to control surface subsidence during longwall mining under villages: case study of Liudian coal mine, China,” NATURAL HAZARDS, 73(2): 883-906, 2014.

4. Xuan DY, Xu JL, Wang BL, “Investigation of fill distribution in post-injected longwall overburden with implications for grout take estimation,” ENGINEERING GEOLOGY, 206: 71-82, 2016.

5. Xuan DY, Xu JL, Wang BL “Borehole investigation of the effectiveness of grout injection technology on coal mine subsidence control,” ROCK MECHANICS AND ROCK ENGINEERING, 48(6): 2435-2445, 2015.

6. Xuan DY, Xu JL, Zhu WB, “Backfill mining practice in China coal mines,” JOURNAL OF MINES, METALS AND FUELS, 61(7-8): 225-234, 2013.

7. Xuan DY, Xu JL, Zhu WB, “Dynamic disaster control under a massive igneous sill by grouting from surface boreholes,” INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 71: 176-187, 2014.

8. Xuan DY, Li J, Zheng KD, Xu JL, “Experimental study of slurry flow in mining-induced fractures during longwall overburden grout injection,” GEOFLUIDS, 2020: 1-10, 2020.

9. Xuan DY, Zhang MW, Li J, “Experimental study on the diffusion radius of modified slurry used in longwall overburden isolated grouting,” GEOFLUIDS,2023: 1-11, 2023.

10. Xuan DY, Ning XM, Lu KF, Li J, Xu JL, “Delayed-Expansion Capsule Sealing Material for Coal Mine Overburden Isolated Grouting,” APPLIED SCIENCES, 14(24):11595, 2024.

11. Li J, Xuan DY, Xu JL, “Compaction Response of Mining-Induced Rock Masses to Longwall Overburden Isolated Grouting,” MINERALS, 13(5): 633, 2023.

12. Ma CW, Xuan DY, Xu JL, “Experimental Study on Water Reduction Modification and Efficient Utilization of Coal-Based Solid Waste Slurry,” ADVANCES IN CIVIL ENGINEERING, 2024: 1-8, 2024.

13. Teng H, Xu JL, Xuan DY, “Surface subsidence characteristics of grout injection into overburden: case study of Yuandian No. 2 coalmine, China,” ENVIRONMENTAL EARTH SCIENCES, 75(6): 1-11, 2016.

14. Wang BL, Xu JL, Xuan DY, “Time function model of dynamic surface subsidence assessment of grout-injected overburden of a coal mine,” INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 104: 1-8, 2018.

15. Wang CC, Xu JL, Xuan DY, “Experimental method and application of the slurry “diffusion-bleeding-seepage” of isolated overburden grout injection,” FRONTIERS IN EARTH SCIENCE, 2023: 1-10, 2023.

16. Xu JL, Xuan DY, He CC, “Innovative backfilling longwall panel layout for better subsidence control effect—separating adjacent subcritical panels with pillars,” INTERNATIONAL JOURNAL OF COAL SCIENCE & TECHNOLOGY,1(3): 297-305, 2014.

17. Xu JL, Xuan DY, “Cost Investigation of the Coalmine Subsidence Control Technology of Isolated Overburden Grout Injection,” GEOTECHNICAL AND GEOLOGICAL ENGINEERING, 37(5): 4251-4258, 2019.

18. Zheng KD, Xuan DY, Li J, “Study on Fluid–Solid Characteristics of Grouting Filling Similar-Simulation Materials,” MINERALS, 12(5): 502, 2022.

19. Zheng KD, Xuan DY, Li J, “Experimental Study on Compaction Law of Rock Mass in the Caving Zone Under the Grouting Pressure of Overburden Isolation Grouting Filling,” GEOTECHNICAL AND GEOLOGICAL ENGINEERING, 2022.

20. Li J, Xuan DY, Xu JL, “An Experimental Study of Coal Gangue Pulverization for Slurry Making and a Field Test on Hulusu Coal Mine Overburden Grouting,” APPLIED SCIENCES, 15(1): 475, 2025.