Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters

Chao Liu; Shu Gang Li; Jun Hua Xue

doi:doi:10.11648/j.ogce.20160403.12

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Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters

Chao Liu, Shu Gang Li, Jun Hua Xue

Published in International Journal of Oil, Gas and Coal Engineering (Volume 4, Issue 3)

Received: 20 June 2016 Accepted: 1 July 2016 Published: 18 July 2016

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Abstract

In order to evaluate and give a early-warning about the gas outburst risk during excavation, comprehensive indexes used to evaluate the gas outburst risk are put forward and a gas outburst early-warning model based on the normal distribution function (2σ) is created; a typical working face with gas outburst risk in Xinzhuangzi Mine of Huainan Mining Area is selected as the object of tracking and monitoring, and a microseismic monitoring system is created to track and monitor comprehensively the destruction process, destruction degree, and distribution of the coal mass ahead of the tunnel during excavation; the gas outburst risk is evaluated according to the monitoring data and using the comprehensive gas outburst risk evaluation indexes and early-warning model, and a timely and effective early warning about the gas outburst risk is given; the gas outburst indexes are used to check the effect of the gas outburst risk evaluation and early warning. The results show that the microseismic monitoring technology can provide reference for gas outburst evaluation and early warning; the comprehensive gas outburst evaluation indexes and the early-warning model (2σ) can reflect the variation trend of the outburst risk, accurately and effectively evaluate and give an early warning about the outburst risk during the excavation, and optimize the advance gas drainage drill hole design parameters to improve the gas drainage ratio, thus providing effective guidance for taking risk removal measures and ensuring safe and rapid tunnel excavation.

Published in	International Journal of Oil, Gas and Coal Engineering (Volume 4, Issue 3)
DOI	10.11648/j.ogce.20160403.12
Page(s)	30-37
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2016. Published by Science Publishing Group

Keywords

Outburst Hazard, Excavation Roadway, Evaluation Index, Early-Warning Model, Microseismic Monitoring Technology

References

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APA Style

Chao Liu, Shu Gang Li, Jun Hua Xue. (2016). Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters. International Journal of Oil, Gas and Coal Engineering, 4(3), 30-37. https://doi.org/10.11648/j.ogce.20160403.12

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ACS Style

Chao Liu; Shu Gang Li; Jun Hua Xue. Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters. Int. J. Oil Gas Coal Eng. 2016, 4(3), 30-37. doi: 10.11648/j.ogce.20160403.12

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AMA Style

Chao Liu, Shu Gang Li, Jun Hua Xue. Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters. Int J Oil Gas Coal Eng. 2016;4(3):30-37. doi: 10.11648/j.ogce.20160403.12

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@article{10.11648/j.ogce.20160403.12,
  author = {Chao Liu and Shu Gang Li and Jun Hua Xue},
  title = {Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters},
  journal = {International Journal of Oil, Gas and Coal Engineering},
  volume = {4},
  number = {3},
  pages = {30-37},
  doi = {10.11648/j.ogce.20160403.12},
  url = {https://doi.org/10.11648/j.ogce.20160403.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ogce.20160403.12},
  abstract = {In order to evaluate and give a early-warning about the gas outburst risk during excavation, comprehensive indexes used to evaluate the gas outburst risk are put forward and a gas outburst early-warning model based on the normal distribution function (2σ) is created; a typical working face with gas outburst risk in Xinzhuangzi Mine of Huainan Mining Area is selected as the object of tracking and monitoring, and a microseismic monitoring system is created to track and monitor comprehensively the destruction process, destruction degree, and distribution of the coal mass ahead of the tunnel during excavation; the gas outburst risk is evaluated according to the monitoring data and using the comprehensive gas outburst risk evaluation indexes and early-warning model, and a timely and effective early warning about the gas outburst risk is given; the gas outburst indexes are used to check the effect of the gas outburst risk evaluation and early warning. The results show that the microseismic monitoring technology can provide reference for gas outburst evaluation and early warning; the comprehensive gas outburst evaluation indexes and the early-warning model (2σ) can reflect the variation trend of the outburst risk, accurately and effectively evaluate and give an early warning about the outburst risk during the excavation, and optimize the advance gas drainage drill hole design parameters to improve the gas drainage ratio, thus providing effective guidance for taking risk removal measures and ensuring safe and rapid tunnel excavation.},
 year = {2016}
}

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TY  - JOUR
T1  - Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters
AU  - Chao Liu
AU  - Shu Gang Li
AU  - Jun Hua Xue
Y1  - 2016/07/18
PY  - 2016
N1  - https://doi.org/10.11648/j.ogce.20160403.12
DO  - 10.11648/j.ogce.20160403.12
T2  - International Journal of Oil, Gas and Coal Engineering
JF  - International Journal of Oil, Gas and Coal Engineering
JO  - International Journal of Oil, Gas and Coal Engineering
SP  - 30
EP  - 37
PB  - Science Publishing Group
SN  - 2376-7677
UR  - https://doi.org/10.11648/j.ogce.20160403.12
AB  - In order to evaluate and give a early-warning about the gas outburst risk during excavation, comprehensive indexes used to evaluate the gas outburst risk are put forward and a gas outburst early-warning model based on the normal distribution function (2σ) is created; a typical working face with gas outburst risk in Xinzhuangzi Mine of Huainan Mining Area is selected as the object of tracking and monitoring, and a microseismic monitoring system is created to track and monitor comprehensively the destruction process, destruction degree, and distribution of the coal mass ahead of the tunnel during excavation; the gas outburst risk is evaluated according to the monitoring data and using the comprehensive gas outburst risk evaluation indexes and early-warning model, and a timely and effective early warning about the gas outburst risk is given; the gas outburst indexes are used to check the effect of the gas outburst risk evaluation and early warning. The results show that the microseismic monitoring technology can provide reference for gas outburst evaluation and early warning; the comprehensive gas outburst evaluation indexes and the early-warning model (2σ) can reflect the variation trend of the outburst risk, accurately and effectively evaluate and give an early warning about the outburst risk during the excavation, and optimize the advance gas drainage drill hole design parameters to improve the gas drainage ratio, thus providing effective guidance for taking risk removal measures and ensuring safe and rapid tunnel excavation.
VL  - 4
IS  - 3
ER  -

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Author Information

Chao Liu

College of Mineral Engineering, Xi’an University of Science and Technology, Xi’an, People’s Republic of China
Shu Gang Li

College of Mineral Engineering, Xi’an University of Science and Technology, Xi’an, People’s Republic of China
Jun Hua Xue

State Key Laboratory of Deep Coal Mining and Environment Protection, Huainan Mining Industry Group, Huainan, People’s Republic of China

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Plain Text BibTeX RIS

APA Style

Chao Liu, Shu Gang Li, Jun Hua Xue. (2016). Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters. International Journal of Oil, Gas and Coal Engineering, 4(3), 30-37. https://doi.org/10.11648/j.ogce.20160403.12

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ACS Style

Chao Liu; Shu Gang Li; Jun Hua Xue. Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters. Int. J. Oil Gas Coal Eng. 2016, 4(3), 30-37. doi: 10.11648/j.ogce.20160403.12

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AMA Style

Chao Liu, Shu Gang Li, Jun Hua Xue. Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters. Int J Oil Gas Coal Eng. 2016;4(3):30-37. doi: 10.11648/j.ogce.20160403.12

Copy | Download

@article{10.11648/j.ogce.20160403.12,
  author = {Chao Liu and Shu Gang Li and Jun Hua Xue},
  title = {Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters},
  journal = {International Journal of Oil, Gas and Coal Engineering},
  volume = {4},
  number = {3},
  pages = {30-37},
  doi = {10.11648/j.ogce.20160403.12},
  url = {https://doi.org/10.11648/j.ogce.20160403.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ogce.20160403.12},
  abstract = {In order to evaluate and give a early-warning about the gas outburst risk during excavation, comprehensive indexes used to evaluate the gas outburst risk are put forward and a gas outburst early-warning model based on the normal distribution function (2σ) is created; a typical working face with gas outburst risk in Xinzhuangzi Mine of Huainan Mining Area is selected as the object of tracking and monitoring, and a microseismic monitoring system is created to track and monitor comprehensively the destruction process, destruction degree, and distribution of the coal mass ahead of the tunnel during excavation; the gas outburst risk is evaluated according to the monitoring data and using the comprehensive gas outburst risk evaluation indexes and early-warning model, and a timely and effective early warning about the gas outburst risk is given; the gas outburst indexes are used to check the effect of the gas outburst risk evaluation and early warning. The results show that the microseismic monitoring technology can provide reference for gas outburst evaluation and early warning; the comprehensive gas outburst evaluation indexes and the early-warning model (2σ) can reflect the variation trend of the outburst risk, accurately and effectively evaluate and give an early warning about the outburst risk during the excavation, and optimize the advance gas drainage drill hole design parameters to improve the gas drainage ratio, thus providing effective guidance for taking risk removal measures and ensuring safe and rapid tunnel excavation.},
 year = {2016}
}

Copy | Download

TY  - JOUR
T1  - Early-Warning Model of Gas Outburst Hazard in Excavation Roadway Based on Microseismic Parameters
AU  - Chao Liu
AU  - Shu Gang Li
AU  - Jun Hua Xue
Y1  - 2016/07/18
PY  - 2016
N1  - https://doi.org/10.11648/j.ogce.20160403.12
DO  - 10.11648/j.ogce.20160403.12
T2  - International Journal of Oil, Gas and Coal Engineering
JF  - International Journal of Oil, Gas and Coal Engineering
JO  - International Journal of Oil, Gas and Coal Engineering
SP  - 30
EP  - 37
PB  - Science Publishing Group
SN  - 2376-7677
UR  - https://doi.org/10.11648/j.ogce.20160403.12
AB  - In order to evaluate and give a early-warning about the gas outburst risk during excavation, comprehensive indexes used to evaluate the gas outburst risk are put forward and a gas outburst early-warning model based on the normal distribution function (2σ) is created; a typical working face with gas outburst risk in Xinzhuangzi Mine of Huainan Mining Area is selected as the object of tracking and monitoring, and a microseismic monitoring system is created to track and monitor comprehensively the destruction process, destruction degree, and distribution of the coal mass ahead of the tunnel during excavation; the gas outburst risk is evaluated according to the monitoring data and using the comprehensive gas outburst risk evaluation indexes and early-warning model, and a timely and effective early warning about the gas outburst risk is given; the gas outburst indexes are used to check the effect of the gas outburst risk evaluation and early warning. The results show that the microseismic monitoring technology can provide reference for gas outburst evaluation and early warning; the comprehensive gas outburst evaluation indexes and the early-warning model (2σ) can reflect the variation trend of the outburst risk, accurately and effectively evaluate and give an early warning about the outburst risk during the excavation, and optimize the advance gas drainage drill hole design parameters to improve the gas drainage ratio, thus providing effective guidance for taking risk removal measures and ensuring safe and rapid tunnel excavation.
VL  - 4
IS  - 3
ER  -

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