|本期目录/Table of Contents|

[1]张鹏翔 ,李绍泉 .贵州井下煤层爆破地震波特征及其影响[J].中国安全生产科学技术,2013,9(8):49-53.[doi:10.11731/j.issn.1673-193x.2013.08.009]
 ZHANG Peng xiang,LI Shao quan.Characteristics and impact of blasted seismic wave in Guizhou underground coal[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2013,9(8):49-53.[doi:10.11731/j.issn.1673-193x.2013.08.009]
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贵州井下煤层爆破地震波特征及其影响
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
9
期数:
2013年8期
页码:
49-53
栏目:
学术论著
出版日期:
2013-08-30

文章信息/Info

Title:
Characteristics and impact of blasted seismic wave in Guizhou underground coal
文章编号:
20130809
作者:
张鹏翔 12李绍泉 12
(1 贵州省矿山安全科学研究院,贵州贵阳550025; 2 贵州省煤矿设计研究院,贵州贵阳550025)
Author(s):
ZHANG Pengxiang 12 LI Shaoquan12
(1Guizhou Mine Safety Research Institute, Guiyang Guizhou 550025, China;  2Guizhou Coalmine Design & Research Institute, Guiyang Guizhou 550025, China)
关键词:
煤层地震波小波包分析瓦斯抽放量瓦斯压力
Keywords:
coal seismic wave wavelet packet analysis gas drainage volume gas pressure
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2013.08.009
文献标志码:
A
摘要:
贵州省煤层赋存条件差,煤矿地质条件复杂。由于煤矿井下爆破采掘适应性强、初期投资小等特点,适应于地质条件复杂、断层多的源赋存复杂条件的中小型煤矿,因此目前贵州煤矿井下煤层采掘多采用爆破作业方式。但井下煤层爆破作业易引发煤尘、瓦斯爆炸、煤与瓦斯突出等矿山灾害,因此研究煤矿井下爆破规律及其对煤矿各方面安全的影响是十分必要和迫切的。通过比较选用小波包分析方法,对现场实验的井下煤层爆破地震波信号进行分析,得出其能量、频率等特征,并分析了其对前方煤体瓦斯抽放量及瓦斯压力的影响规律。
Abstract:
The coal seam conditions in Guizhou are poor, and the geological conditions of coal mine are complex. Since coal mine blasting has some characteristics like adaptability, small initial investment and other features, so it has been adapted in the small and medium coal mines, which have complex geological conditions and a lot of faults. Therefore most of coal mines in Guizhou use blasting practices for now. But coal mine blasting operations may easily lead to dust or gas explosions, coal and gas outburst mine disasters and so on. So study on its effect of coal mine blasting safety on all aspects of mine is very necessary and urgent. By comparing the relative methods, wavelet packet analysis method was selected. The blasting seismic wave signals of underground coal experimental site analysis. The energy, frequency and other characteristics obtained by onsite experiment were analyzed were drawn, and its influence laws on gas drainage volume and gas pressure of forward coal were analyzed.

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备注/Memo

备注/Memo:
贵州省科技厅2008攻关项目(重大专项)(黔科合重大专项字[2008]6012);贵州省科技厅2009攻关项目(黔科合院所创能[2009]4006号)
更新日期/Last Update: 2013-09-11