Field Observation Research on 3207 Large Mining Height Faces Rib Spalling in Huoerxinhe Coalmine

DOI

10.2991/icaset-16.2016.70How to use a DOI?

Keywords

Huoerxinhe coalmine, Large mining height, Rib spalling, Field observation

Abstract

In order to further study Huoerxinhe coalmine 3207 large mining height faces rib spalling and complete the control management work, the laser rangefinder and visual observation method were used to observer the mining faces rib spalling and failing. The date(rib spalling depth, height, daily spalling range and so on) were recorded, and the main reason for 3207 working face spalling was analyzed. The result shows that Huoerxinhe coalmine 3207 large mining height faces rib spalling has three kinds of form that coal upper spalling(53%), middle upper spalling(44%) and whole coal spalling(3%).3207 mining rib spalling failure mode is mainly shear slip, and the working face cycle pressure has a greater impact on the stability of coal wall. The geological structure, roof and floor nature, mining height and working face advancing rate are the major cause.

Copyright

© 2016, 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  - Qiao Wei
PY  - 2016/05
DA  - 2016/05
TI  - Field Observation Research on 3207 Large Mining Height Faces Rib Spalling in Huoerxinhe Coalmine
BT  - Proceedings of the 2016 6th International Conference on Applied Science, Engineering and Technology
PB  - Atlantis Press
SP  - 350
EP  - 353
SN  - 2352-5401
UR  - https://doi.org/10.2991/icaset-16.2016.70
DO  - 10.2991/icaset-16.2016.70
ID  - Wei2016/05
ER  -