Rock burst assessment and prediction by dynamic and static stress analysis based on micro-seismic monitoring

J He, L Dou, S Gong, J Li, Z Ma - … Journal of Rock Mechanics and Mining …, 2017 - Elsevier
Currently, rock bursts have become one of the most serious type of mining disasters in many
countries, leading to injuries and deaths, damage to facilities and the surroundings, and …

[HTML][HTML] Tomography of the dynamic stress coefficient for stress wave prediction in sedimentary rock layer under the mining additional stress

W Shen, G Shi, Y Wang, J Bai, R Zhang… - International Journal of …, 2021 - Elsevier
In this study, the tomography of dynamic stress coefficient (TDSC) was established based on
a mechanical model of stress wave propagation in bedding planes and a mathematical …

Case study of seismic hazard assessment in underground coal mining using passive tomography

A Cao, L Dou, W Cai, S Gong, S Liu, G Jing - International Journal of Rock …, 2015 - Elsevier
The relation between applied stress and wave velocity is examined firstly at the laboratory-
scale by using ultrasonic technique. Subsequently, an island longwall face under hard-thick …

Application of seismic velocity tomography in underground coal mines: a case study of Yima mining area, Henan, China

W Cai, L Dou, A Cao, S Gong, Z Li - Journal of Applied Geophysics, 2014 - Elsevier
A better understanding of geological structures, stress regimes, and rock burst risks around
longwall mining panels can allow for higher extraction efficiency with reduced safety …

[PDF][PDF] 冲击危险性动态预测的震动波CT 技术研究

窦林名, 蔡武, 巩思园, 韩荣军, 刘军 - 煤炭学报, 2014 - researchgate.net
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 …

Evolution of stress concentration and energy release before rock bursts: two case studies from Xingan coal mine, Hegang, China

G Wang, S Gong, Z Li, L Dou, W Cai, Y Mao - Rock Mechanics and Rock …, 2016 - Springer
Since the first recorded rock burst occurred in England in 1738, more than 20 countries have
reported rock bursts (Kabiesz and Makowka 2009; Ortlepp and Stacey 1994; Patynska and …

Quantitative analysis of seismic velocity tomography in rock burst hazard assessment

W Cai, L Dou, S Gong, Z Li, S Yuan - Natural Hazards, 2015 - Springer
In order to quantitatively evaluate the relationship between the tomographic images of P
wave velocity and rock burst hazard, the seismic velocity tomography was used to generate …

[PDF][PDF] 矿震震动波速度层析成像评估冲击危险的验证

蔡武, 窦林名, 李振雷, 巩思园, 韩荣军, 刘军 - 地球物理学报, 2016 - geophy.cn
摘要矿震震动波速度层析成像, 作为一种新的地球物理方法在冲击矿压危险评估领域具有广阔的
应用前景, 但截至目前, 采用该技术评估冲击危险的现场应用研究还比较少 …

Research on dynamic response characteristics of normal fault footwall working face and rock burst prevention technology under the influence of the gob area

L Tai, C Li, S Gu, X Yu, Z Xu, L Sun - Scientific Reports, 2023 - nature.com
To study the effect of mining dynamic response characteristics on the footwall working face
of the normal fault under the influence of the gob area, theoretical research, indoor …

Passive seismic tomography for rockburst risk identification based on adaptive-grid method

S Gong, J Li, F Ju, L Dou, J He, X Tian - Tunnelling and Underground …, 2019 - Elsevier
Passive seismic velocity tomography is a promising tool for use in evaluating rockburst risk
during underground coal mining, however, the traditional model gridding method will lead to …