THERMAL SCIENCE

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Authors of this Paper

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Fei Liu

,

Guang-Heng Ge

,

Peng Gong

SIMULATION ON THE DEFORMATION OF SURROUNDING ROCK IN FULLY MECHANIZED TOP COAL CAVING FACE IN THICK LOOSE SEAM

ABSTRACT
Based on the on-site production geological conditions, this paper comprehensively applies research methods such as numerical modelling and theoretical calcula­tion deeply study the rock pressure behavior and deformation mechanism of the surrounding rock of the fully mechanized top coal caving face in thick and un­consolidated coal seams. At the same time, the deformation law and energy evo­lution characteristics of the coal pillar in the section are discussed, providing an important reference for the stability control of the end surrounding rock and the optimization of the coal pillar size.
KEYWORDS
thick loose seam, extra thick seam, deformation mechanism
PAPER SUBMITTED: 2024-09-01
PAPER REVISED: 2024-10-07
PAPER ACCEPTED: 2024-10-11
PUBLISHED ONLINE: 2025-05-03
DOI REFERENCE: https://doi.org/10.2298/TSCI2502123L
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2025, VOLUME 29, ISSUE Issue 2, PAGES [1123 - 1129]
REFERENCES
  1. Xu, J., Key Layer Theory and Its Application for Rock Movement and Control, Xuzhou: China University of Mining and Technology, Jiangsu, China, 1999
  2. Shabanimashcool, M., Li, C. C., A Numerical Study of Stress Changes in Barrier Pillars and A Border Area in A Longwall Coal Mine, International Journal of Coal Geology, 106 (2013), Feb., pp. 39-47
  3. Boderac, B. B., Rock Pressure Features of Moscow Suburb Coal-Field, Coal, 2 (1998), pp. 1-7
  4. Missavage, J., et al., Subsidengce Prediction in Shallow Room and Pillar Mines, International Journal of Mining and Geological Engineering, 4 (1986), Mar., pp. 39-46
  5. NaPier, J. A. L., Malan, D. F., The Computation Analysis of Shallow Depth Tabular Mining Problems, Journal of The South African Institute of Mining and Metallurgy, 107 (2007), Nov., pp. 725-742
  6. Qian, M. G., Li, H., The Activity Law of Overlying Strata in Stope and Its Influence on Mine Pressure, Journal of China Coal Society, 7 (1982), 2, pp. 1-12
  7. Teng, T., Gong, P., Experimental and Theoretical Study on the Compression Characteristics of Dry/Water-Saturated Sandstone under Different Deformation Rates, Arabian Journal of Geosciences, 13 (2020), June, pp. 517-532
  8. Teng, T., et al., Water Injection Softening Modelling of Hhard Roof and Application in Buertai Coal Mine, Environmental Earth Sciences, 84 (2025), 54
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Simulation on the deformation of surrounding rock in fully mechanized top coal caving face in thick loose seam

2025 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence