冲击危险性动态预测的震动波CT技术研究

被引：98

作者：

窦林名 ^{[1
,2
]}

蔡武 ^{[1
,2
]}

巩思园 ^{[1
]}

韩荣军 ^{[2
,3
]}

刘军 ^{[3
]}

机构：

[1] 中国矿业大学煤炭资源与安全开采国家重点实验室

[2] 中国矿业大学矿业工程学院

[3] 义马煤业集团股份有限公司

来源：

煤炭学报 | 2014年 / 39卷 / 02期

关键词：

冲击危险性; 纵波波速; 震动波CT; 波速异常系数; 波速梯度变化系数;

D O I：

10.13225/j.cnki.jccs.2013.2016

中图分类号：

TD324 [冲击地压];

学科分类号：

0819 ;

摘要：

针对煤矿冲击灾害日益频繁的现状,在应力与纵波波速的试验关系模型基础上,分析了采用纵波波速确定冲击危险的理论基础,建立了冲击危险性动态预测评价的震动波CT探测的技术,构建了震动波CT探测评价冲击危险性技术指标波速异常系数A n和波速梯度变化系数VG,并给出了各指标的判别准则,最后开展了现场应用。研究结果表明,对于同一性质的岩体,纵波波速反映了冲击矿压发生的强度条件、能量条件和动载诱冲条件;震动波CT探测技术能够对现场冲击危险性做出动态评价和预测,并能对卸压解危措施的实施和效果进行指导和检验。

引用

页码：238 / 244

页数：7

共 25 条

[1]

Rockburst hazard determination by using computed tomography technology in deep workface.[J].Linming Dou;Tongjun Chen;Siyuan Gong;Hu He;Shibin Zhang.Safety Science.2011, 4

[2] Active velocity tomography for assessing rock burst hazards in a kilometer deep mine [J].

He Hu a .

International Journal of Mining Science and Technology, 2011, 21 (05) :673-676

[3] Electromagnetic emission theory and its application to dynamic phenomena in coal-rock [J].

He, Xueqiu ;

Chen, Wenxue ;

Nie, Baisheng ;

Mitri, Hani .

INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2011, 48 (08) :1352-1358

[4] Electromagnetic emission graded warning model and its applications against coal rock dynamic collapses [J].

Wang, Enyuan ;

He, Xueqiu ;

Wei, Jianping ;

Nie, Baisheng ;

Song, Dazhao .

INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES, 2011, 48 (04) :556-564

[5] Location of high seismic activity zones and seismic hazard assessment in Zabrze Bielszowice coal mine using passive tomography [J].

LURKA A .

Journal of China University of Mining & Technology, 2008, (02) :177-181

[6]

Three-dimensional time-lapse velocity tomography of an underground longwall panel.[J].Kray Luxbacher;Erik Westman;Peter Swanson;Mario Karfakis.International Journal of Rock Mechanics and Mining Sciences.2007, 4

[7] The seismic CT method in measuring rock bodies [J].

Du Lizhi ;

Zhang Xiaopei ;

Niu Jianjun ;

Wang Xuege ;

Feng Guolei .

Applied Geophysics, 2006, 3 (3) :192-195

[8]

Seismic attenuation tomography in frequency domain and its application to engineering.[J].Yonggui Zhao;Qin Li;Hong Guo;Hongxiao Jin;Chaofan Wang.Science in China Series D: Earth Sciences.2000, 4

[9] 3-D TOMOGRAPHIC IMAGING OF ANOMALOUS CONDITIONS IN A DEEP SILVER MINE [J].

FRIEDEL, MJ ;

JACKSON, MJ ;

SCOTT, DF ;

WILLIAMS, TJ ;

OLSON, MS .

JOURNAL OF APPLIED GEOPHYSICS, 1995, 34 (01) :1-21

[10]

矿震震动波波速层析成像原理及其预测煤矿冲击危险应用实践.[D].巩思园.中国矿业大学.2010, 04

← 1 2 3 →