Study on the Key technology of Coal Wall Stability Control for Mining All Height at One Time in Thick Seam

DOI

10.2991/icmce-14.2014.133How to use a DOI?

Keywords

Mining All Height at One Time, Coal Wall Spalling Mechanism, Width of Plastic Zone, Influencing Factors of Coal Wall Spalling, Control Technology

Abstract

Combined with Lade-Duncan strength criterion under plane strain condition, the coal wall spalling mechanism has been analyzed, the width of plastic zone and stress distribution has been studied, has identified the several important influencing factors, and using numerical simulation method for more intensive study, finally, the key technology of coal wall stability control is put forward which includes increasing the support strength, using side supporting design and taking coal wall grouting, through the field monitoring test, having achieved a good practical result, it provides a effective technical guarantee for thick coal seam in Wang Zhuang coal mine.

Copyright

© 2014, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Shu-Jiang CUI
AU  - Jian-Ming ZHU
PY  - 2014/12
DA  - 2014/12
TI  - Study on the Key technology of Coal Wall Stability Control for Mining All Height at One Time in Thick Seam
BT  - Proceedings of the 2014 International Conference on Mechanics and Civil Engineering
PB  - Atlantis Press
SP  - 757
EP  - 763
SN  - 2352-5401
UR  - https://doi.org/10.2991/icmce-14.2014.133
DO  - 10.2991/icmce-14.2014.133
ID  - CUI2014/12
ER  -