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Research progress in the mining technology of the slowly inclined, thin to medium thick phosphate rock transition from open-pit to underground mine

Xiaoshuang Li

Xiaoshuang Li

  • School of Civil Engineering, Shaoxing UniversityShaoxing, China
  • Sinosteel Maanshan General Institute of Mining Research Co. LtdMaanshan, China
  • State Key Laboratory of Safety and Health in Metal Mines, Jiangxi University of Science and TechnologyGanzhou, China
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Li, Xiaoshuang
, 
Yunming Wang

Yunming Wang

  • Sinosteel Maanshan General Institute of Mining Research Co. LtdMaanshan, China
  • State Key Laboratory of Safety and Health in Metal Mines, Jiangxi University of Science and TechnologyGanzhou, China
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Wang, Yunming
, 
Shun Yang

Shun Yang

  • School of Civil Engineering, Shaoxing UniversityShaoxing, China
  • Jiangxi Key Laboratory of Mining Engineering, Jiangxi University of Science and TechnologyGanzhou, China
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Yang, Shun
, 
Jun Xiong

Jun Xiong

Department of Civil and Environmental Engineering, University of AlbertaEdmonton, Canada
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Xiong, Jun
 und 
Kui Zhao

Kui Zhao

Jiangxi Key Laboratory of Mining Engineering, Jiangxi University of Science and TechnologyGanzhou, China
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Zhao, Kui
  
25. Mai 2021
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Online veröffentlicht: 25. Mai 2021
Seitenbereich: 319 - 334
Eingereicht: 24. Dez. 2020
Akzeptiert: 31. Jan. 2021
DOI: https://doi.org/10.2478/amns.2021.2.00017
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© 2021 Xiaoshuang Li et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Metal and non-metal open pit to underground mining research in recent years.
Metal and non-metal open pit to underground mining research in recent years.

Fig. 2

Similar material simulation experiment of mining and pillar recovery.
Similar material simulation experiment of mining and pillar recovery.

Fig. 3

Subsidence displacements after the first (a), third (b), fifth (c), sixth (d) excavation steps of the similar material model.
Subsidence displacements after the first (a), third (b), fifth (c), sixth (d) excavation steps of the similar material model.

Fig. 4

FLAC3D model.
FLAC3D model.

Fig. 5

Deformation and Failure Characteristics of the Roof for the 3-m Ore Pillars.
Deformation and Failure Characteristics of the Roof for the 3-m Ore Pillars.

Fig. 6

Deformation and Failure Characteristics of the Roof for the 5-m Ore Pillars.
Deformation and Failure Characteristics of the Roof for the 5-m Ore Pillars.
Sprache:
Englisch
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Fachgebiete der Zeitschrift:
Biologie, Biologie, andere, Mathematik, Angewandte Mathematik, Mathematik, Allgemeines, Physik, Physik, andere
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