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- Title
SIZE OPTIMIZATION AND CO-OPERATIVE SUPPORT MECHANISM OF COAL PILLAR IN RESIDUAL RESOURCES RECOVERY WORKING FACE.
- Authors
Peng GONG; Ze-Xin HE; Zhan-Guo MA; Feng-Yu ZHOU; Yang LI
- Abstract
In this paper, a numerical calculation model of the mining face was established to analyze the rational size of coal pillars in the goaf on both sides by using FLAC3D based on the mining geological conditions in the pilot area. Furthermore, the feasibility of co-ordinated reinforcement with steel pipe column was explored, which can be applied to the recycling of residual coal resources like protecting coal pillars and of great value to increase the recovery rate in gobs as well.
- Subjects
COAL; REINFORCING bars; STEEL pipe; NUMERICAL calculations; THERMAL coal
- Publication
Thermal Science, 2023, Vol 27, Issue 1B, p697
- ISSN
0354-9836
- Publication type
Article
- DOI
10.2298/TSCI2301697G