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Applied Mathematics and Nonlinear Sciences
Volume 6 (2021): Issue 1 (January 2021)
Open Access
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
,
Yunming Wang
Yunming Wang
,
Shun Yang
Shun Yang
,
Jun Xiong
Jun Xiong
and
Kui Zhao
Kui Zhao
| May 25, 2021
Applied Mathematics and Nonlinear Sciences
Volume 6 (2021): Issue 1 (January 2021)
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Published Online:
May 25, 2021
Page range:
319 - 334
Received:
Dec 24, 2020
Accepted:
Jan 31, 2021
DOI:
https://doi.org/10.2478/amns.2021.2.00017
Keywords
gently inclined thin to medium-thick phosphate rock
,
convert from open-pit to underground mining
,
gently inclined thin to medium-thick ore bodies with soft interlayer
,
new mining technology and new technology
© 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.
Fig. 2
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.
Fig. 4
FLAC3D model.
Fig. 5
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.