Proceedings of the 9th China-Russia Symposium "Coal in the 21st Century: Mining, Intelligent Equipment and Environment Protection" (COAL 2018)

Development of Water Flowing Fractured Zone Caused by Fully Mechanized Top Coal Caving in Xin’an Coal Mine

Authors
Changxiang Wang, Ning Jiang, Yao Lu, Buchu Zhang, Wenbo Wang, Chuanping Sun
Corresponding Author
Changxiang Wang
Available Online October 2018.
DOI
https://doi.org/10.2991/coal-18.2018.14How to use a DOI?
Keywords
fully mechanized top coal caving, water flowing fractured zone, height prediction, top coal caving simulation material, developmental characteristics
Abstract

Taking Xin’an coal mine as an example, through empirical formula, regional analogy, theory analysis and analog simulation experiment, predicted the high of water flowing fractured zone under the condition of fully mechanized top coal caving, used monitoring system to measure the height of water flowing fractured zone on site, confirmed the rationality of the theoretical analysis. Through the specially experimental box, a simulation material of top coal caving has been developed to simulate the characteristics of water flowing fractured zone under fully mechanized caving mining condition: The caving zone develops rapidly, and the overall growth is approximately linear. The development of fractured zone showed a staged linear growth. It is found that both the empirical formula calculation and the analogical prediction result include the measured results. The prediction is basically accurate, but the accuracy is not high and the error is relatively large. Only the theoretical analysis combined with the theory of relevant rock pressure and the specific formation conditions of coal mine is accurate.

Copyright
© 2018, 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/).

Download article (PDF)

Volume Title
Proceedings of the 9th China-Russia Symposium "Coal in the 21st Century: Mining, Intelligent Equipment and Environment Protection" (COAL 2018)
Series
Advances in Engineering Research
Publication Date
October 2018
ISBN
978-94-6252-570-2
ISSN
2352-5401
DOI
https://doi.org/10.2991/coal-18.2018.14How to use a DOI?
Copyright
© 2018, 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  - Changxiang Wang
AU  - Ning Jiang
AU  - Yao Lu
AU  - Buchu Zhang
AU  - Wenbo Wang
AU  - Chuanping Sun
PY  - 2018/10
DA  - 2018/10
TI  - Development of Water Flowing Fractured Zone Caused by Fully Mechanized Top Coal Caving in Xin’an Coal Mine
BT  - Proceedings of the 9th China-Russia Symposium "Coal in the 21st Century: Mining, Intelligent Equipment and Environment Protection" (COAL 2018)
PB  - Atlantis Press
SP  - 78
EP  - 85
SN  - 2352-5401
UR  - https://doi.org/10.2991/coal-18.2018.14
DO  - https://doi.org/10.2991/coal-18.2018.14
ID  - Wang2018/10
ER  -