矿井底板突水过程电荷感应规律试验研究

doi:10.16265/j.cnki.issn1003-3033.2017.10.018

中国安全科学学报 ›› 2017, Vol. 27 ›› Issue (10): 105-110.doi: 10.16265/j.cnki.issn1003-3033.2017.10.018

矿井底板突水过程电荷感应规律试验研究

郑文红¹, 陈广阳², 罗浩³, 潘一山⁴ 教授, 唐治^1,5

1 辽宁工程技术大学力学与工程学院辽宁阜新 123000;
2 华晨汽车工程研究院,辽宁沈阳 110036;
3 辽宁大学信息学院,辽宁沈阳 110036;
4 辽宁大学物理学院,辽宁沈阳 110036;
5 北京科技大学土木与资源工程学院,北京 100083

收稿日期:2017-07-10 修回日期:2017-09-05 出版日期:2017-10-20 发布日期:2020-11-05
作者简介:郑文红 (1988—),女,辽宁凌源人,博士研究生,研究方向为冲击地压预测与防治。E-mail: 916034757@qq.com。
基金资助:
国家自然科学基金资助(11172121,51641404)。

Experimental study on charge induction law of water inrush in mine floor

ZHENG Wenhong¹, CHEN Guangyang², LUO Hao³, PAN Yishan⁴, TANG Zhi^1,5

1 School of Mechanics and Engineering,Liaoning Technical University,Fuxin Liaoning 123000,China;
2 Brilliance Automotive Engineering Research Institute,Shenyang Liaoning 110036,China;
3 School of Information,Liaoning University,Shenyang Liaoning 110036,China;
4 School of Physics, Liaoning University,Shenyang Liaoning 110036,China;
5 School of Civil and Resource Engineering, University of Science and Technology Beijing,Beijing 100083,China

Received:2017-07-10 Revised:2017-09-05 Online:2017-10-20 Published:2020-11-05

摘要/Abstract

摘要： 为研究复杂水文地质条件下矿井底板突水导水通道形成及破坏情况的判断问题,基于电荷感应监测技术,通过水压致裂试验对比不同壁厚电荷信号规律,研究导水通道距离采掘空间不同深度下电荷特征,探究电荷前兆信息与底板突水通道形成过程的联系。结果表明:电荷信号和声发射信号均在起裂压力前出现较大脉冲,这2种信号出现的顺序随机,这与岩体的结构以及组成有关;壁越厚,起裂压力越大,释放的电荷量越大,电荷释放与试样变形破坏所需的力存在必然联系;不同壁厚试样电荷感应信号在衰减时间与电荷累积量等方面有差异,通过电荷感应信号探测导水通道形成深度是可行的。

关键词: 矿井, 突水, 电荷感应, 水压致裂, 导水通道

Abstract: For complex hydrogeological conditions, the judgement about both the formation of and damage to mine water flowing channel in floor is regarded as a difficult problem. Based on charge induction monitoring technique, the relationship between the charge signal and wall thickness was examined by carrying out hydraulic fracturing tests. The charge characteristics of water channel as a function of the depth of mining space were studied. The relation between the precursor information of charge and formation of water inrush channel was explored. The results show that large pulses of charge signal and acoustic emission signal appear before the initiation pressure, and the order of two signals is random, which is related to the structure and composition of the rock mass, that the larger the wall thickness is, the greater the crack initiation pressure is and the greater the amount of charge released will be, and release of the charge is necessarily related to the force required for the deformation and failure of specimen, that wall thickness has a significant effect on the charge induced signal's in the decay time and charge accumulation, and detecting the formation depth of water flowing channel by charge induced signal is feasible.

Key words: mine, water inrush, charge induction, hydraulic fracturing, water flowing channel

中图分类号:

X936

郑文红, 陈广阳, 罗浩, 潘一山, 唐治. 矿井底板突水过程电荷感应规律试验研究[J]. 中国安全科学学报, 2017, 27(10): 105-110.

ZHENG Wenhong, CHEN Guangyang, LUO Hao, PAN Yishan, TANG Zhi. Experimental study on charge induction law of water inrush in mine floor[J]. China Safety Science Journal, 2017, 27(10): 105-110.

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矿井底板突水过程电荷感应规律试验研究

Experimental study on charge induction law of water inrush in mine floor

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