Surrounding Rock Response Pattern of Working Face with High-Intensity Mining Based on Microseismic Monitoring

doi:10.12068/j.issn.1005-3026.2017.06.019

Journal of Northeastern University Natural Science ›› 2017, Vol. 38 ›› Issue (6): 854-858.DOI: 10.12068/j.issn.1005-3026.2017.06.019

• Resources & Civil Engineering • Previous Articles Next Articles

Surrounding Rock Response Pattern of Working Face with High-Intensity Mining Based on Microseismic Monitoring

LI Yang^{1, 2}， YANG Tian-hong^{1, 2}， HOU Xian-gang^{1, 2}， WANG Hong^{1, 2}

1. School of Resources & Civil Engineering， Northeastern University， Shenyang 110819， China; 2. Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines， Northeastern University， Shenyang 110819， China.

Received:2016-01-15 Revised:2016-01-15 Online:2017-06-15 Published:2017-06-11
Contact: YANG Tian-hong
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Abstract

Abstract:

IMS microseismic monitoring system was employed in Xiaojihan coal mine， a typical high-intensity mining mine in Western China. The spatial monitoring of the whole monitoring area was realized and more comprehensive information of surrounding rock failure was captured. The mine pressure behavior， strata movement， and the stress and deformation around the surrounding rock mass were analyzed based on microseismic monitoring. The results showed that the microseismic events evolved periodically with the continuous mining of 11203 working face， which is closely related to the mining pressure behavior in the working face， and the average periodic weighting length is 23m. The height of “three zones” and the influence range of mining disturbance in the working face could provide help for support design and disaster prevention.

Key words: high-intensity mining, mine pressure behavior, strata movement, microseismic monitoring

CLC Number:

TD325

LI Yang,YANG Tian-hong,HOU Xian-gang,WANG Hong. Surrounding Rock Response Pattern of Working Face with High-Intensity Mining Based on Microseismic Monitoring[J]. Journal of Northeastern University Natural Science, 2017, 38(6): 854-858.

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Surrounding Rock Response Pattern of Working Face with High-Intensity Mining Based on Microseismic Monitoring

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