Feasibility study of highwall mining in north surface mine of Yima Coal Corporation, China

Guoming Cheng; Sijing Wang; Meifeng Cai

Volume 10 Issue 6

Dec. 2003

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Abstract

International Journal of Minerals, Metallurgy and Materials > 2003 > 10(6): 1-4.

Guoming Cheng, Sijing Wang, and Meifeng Cai, Feasibility study of highwall mining in north surface mine of Yima Coal Corporation, China, J. Univ. Sci. Technol. Beijing , 10(2003), No. 6, pp.1-4.

Cite this article as:

Guoming Cheng, Sijing Wang, and Meifeng Cai, Feasibility study of highwall mining in north surface mine of Yima Coal Corporation, China, J. Univ. Sci. Technol. Beijing , 10(2003), No. 6, pp.1-4.

Cite this article as:

Guoming Cheng, Sijing Wang, and Meifeng Cai, Feasibility study of highwall mining in north surface mine of Yima Coal Corporation, China, J. Univ. Sci. Technol. Beijing , 10(2003), No. 6, pp.1-4.

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Mineral

Feasibility study of highwall mining in north surface mine of Yima Coal Corporation, China

Guoming Cheng^1), ,,
Sijing Wang¹⁾ and
Meifeng Cai²⁾

Author Affilications

Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
Civil and Environmental Engineering School, University of Science and Technology Beijing, Beijing 100083, China

Received: 21 January 2003; Available Online: 21 June 2021

Graphical Abstract

Abstract

Abstract

Yima Coal Corporation is considering to adopt highwall mining method with auger machine to recover coal from north surface pit that has reached final highwall position. The major geomechanical issues associated with auger mining are highwall and pillar stability. Based on the field investigation and laboratory test results of mechanical parameters, numerical modeling is carried out to assess the stability of highwall and pillar. Field measurements of highwall deformation have been used to validate and ensure the confidence for the development of realistic models. The results of numerical modeling show that the mining method is feasible for mining the seam of 10 m thickness in north surface coal mine.
- highwall mining,
- surface mine,
- stability evaluation,
- feasibility study

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