Study on the influence rule of underlying working face to overlying rock and high level tunnel
- DOI
- 10.2991/mmeceb-15.2016.169How to use a DOI?
- Keywords
- high level tunnel, repeated disruption, stochastic medium theory,instability mechanism
- Abstract
Aiming at the special situation of high level tunnel under the in fluence of mining in Xieqiao coal mine 21116 working face,the theoretical analysis,numerical simulation and field measurement is taken to analyze it.And it reveals the overlying strata movement rule and mechanism of high level tunnel under the in fluence of mining.The results show that the high level east wing orbit large tunnel ids located in bending subsidence belt.With the working face promoting,the movement of overlying strata is a process of forward and upward extension.Controlled by underlying working face mining disturbance again and again,the surrounding rock deformation of high level tunnel is a process of dynamic evolution tension and compression deformation.According to stochastic medium theory,we are carried out on the movement of the overlying rock mass theory parsing.Numerical calculation shows that two parts of the working face displacement form upper and lower respectively showed shape of ‘vertical half elliptical’ and ‘lateral half elliptical’.And a new method is proposed to monitoring the sink of roadway floor that is drilling from earth surface to roadway.This supervise method will provide a new research direction for study of overburden strata movement.In view of the phenomenon of local deformation and failure of roadway,some reinforcement measures must be used to meet the needs of the coal mine safety production.
- 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/).
Cite this article
TY - CONF AU - AnYing Yuan AU - Zhenquan Zhang AU - Yang Li PY - 2015/12 DA - 2015/12 TI - Study on the influence rule of underlying working face to overlying rock and high level tunnel BT - Proceedings of the 2015 2nd International Conference on Machinery, Materials Engineering, Chemical Engineering and Biotechnology PB - Atlantis Press SP - 845 EP - 851 SN - 2352-5401 UR - https://doi.org/10.2991/mmeceb-15.2016.169 DO - 10.2991/mmeceb-15.2016.169 ID - Yuan2015/12 ER -