3,006 Hits in 6.0 sec

The Study of Rock Burst Induced by Underground Mining Excavation

Shi-guo SUN, Zhi-qi GONG, Shuai-ying WEI
2017 DEStech Transactions on Environment Energy and Earth Science  
The underground mining extends to deep, resulting in that underground mining geological environment and mining conditions become increasingly complex, thus induced by various forms of disaster.  ...  Among them, rock burst disaster is a serious consequence, and the number has an increasing trend. It has become one of the most important hidden dangers in the excavation of underground engineering.  ...  Acknowledgement This research was financially supported by the National Natural Science Foundation of China (41172250) /National "12th Five-Year" Plan for Science & Technology Support (2012BAK09B06) /The  ... 
doi:10.12783/dteees/icesee2017/7857 fatcat:wnbvqhqdbbdanp6ekmyt6n6ix4

Optimization Study of Outburst Prevention Measures for Tuzhu Coal Mine Based on Fixed Weight Clustering Analysis

Wenke Luo, Shiliang Shi, Yi Lu, Shenghua Zou, Zaian Chen, Liliang Chen
2016 Journal of Geoscience and Environment Protection  
Affected by many involved factors, different dimensions, data with large difference, incomplete information and so on, the most optimal selection of regional outburst prevention measures for outburst mine  ...  and effective technical measures for prevention of coal and gas outburst disaster.  ...  Therefore, according to the fixed weight method of grey theory, for gas occurrence condition of specific areas, optimizing the preliminary feasible scheme with the multi-objective of the pre-drainage drilling  ... 
doi:10.4236/gep.2016.41016 fatcat:fqznyjw7sre7bd6buqzjb6ouqe

Multi-Index Monitoring and Evaluation on Rock Burst in Yangcheng Mine

Yunliang Tan, Yanchun Yin, Shitan Gu, Zhiwei Tian
2015 Shock and Vibration  
By using microseismic method, electromagnetic radiation method, and drilling bits method, rock burst in Yangcheng Mine was monitored, and a system of multi-index monitoring and evaluation on rock burst  ...  If there is identified burst risk in the workface, drilling bits method was used to ascertain the burst region, and then pressure releasing methods were carried out to eliminate the disaster.  ...  Conclusions By using microseismic method, electromagnetic radiation method, and drilling method, rock burst in Yangcheng Mine was monitored, and a multi-index monitor and evaluation system for rock burst  ... 
doi:10.1155/2015/624893 fatcat:2llxavczm5d2pcvr2tnhnvo2ky

Development history and prospect of remote sensing technology in coal geology of China

Kelong Tan, Junwei Qiao
2020 International Journal of Coal Science & Technology  
This paper summarizes the general situation, theories, development process, key research and future of remote sensing technology for coal mining in China.  ...  Coal remote sensing technology was founded in the period of coal resources survey after the founding of People's Republic of China.  ...  With the imaging of spectral information, the multi-polarization of radar imaging, the multi-direction of optical detection, the intellectualization of geoscience analysis, the dynamic of environmental  ... 
doi:10.1007/s40789-020-00323-2 fatcat:lalmihxvmbhexe5rdla6esjzya

Development of Intelligent Gas and Coal Seam Spontaneous Combustion Sensor Experiment Device Based on Analytic Hierarchy Process

Qingguo BAO, Kai CAO, Deming WANG, Shaofeng WANG
2014 Sensors & Transducers  
Summarizes the basic problems of the basic method of coal mine gas detection and the existing gas detection equipment, put forward the research method by combining the intelligent gas sensor technology  ...  and traditional gas detection technology.  ...  the use of electrochemical method for gas detection, the use of the electrode and electrolyte; optical method is the use of gas refractive index and optical absorption properties detection gas: electrical  ... 
doaj:de633e47b4e34f46a8b9a86f80b29d4b fatcat:w2ltvkh7hvflziwlfnfbiucrji

An Approach to Dynamic Disaster Prevention in Strong Rock Burst Coal Seam under Multi-Aquifers: A Case Study of Tingnan Coal Mine

Xinxin Zhou, Zhenhua Ouyang, Ranran Zhou, Zhenxing Ji, Haiyang Yi, Zhongyi Tang, Bo Chang, Chengcheng Yang, Bingcheng Sun
2021 Energies  
Finally, the proposed method was applied in an engineering case, and the effectiveness of this method for prevention and control of multi-dynamics disasters was evaluated by field observations of the caving  ...  coal mine considered in this study, the exhibited characteristics of two types of dynamic disasters, namely rock burst and water inrush, were analyzed.  ...  Informed Consent Statement: Not applicable. Data Availability Statement: The data supporting the study are included in this paper.  ... 
doi:10.3390/en14217287 fatcat:dww7z6ykkfcqtazuhjkk5lkniq

Maxwell-equations Based on Mining Transient Electromagnetic Method for Coal Mine-Disaster water Detection

Benyu Su, Jingcun Yu, Chenxing Sheng
2017 Elektronika ir Elektrotechnika  
Finally, we use the method in the coalmine which is located in Linfen city in Shanxi province in China, and the detecting result is verified by drilling.  ...  This research focuses on detecting water-bearing geological structure by transient electromagnetic method.  ...  ACKNOWLEDGMENT The authors would like to thank three anonymous reviewers for critical reviews and comments.  ... 
doi:10.5755/j01.eie.23.3.18326 fatcat:umg32bs3vvejdpvko2wrpr7q6i

A New Dynamic Assessment for Multi-parameters Information of Water Inrush in Coal Mine*

Ma Jun, Zhang Yingmei
2012 Energy Procedia  
The coal mine flood is one of five nature disasters in the mine construction and production process.  ...  It has been carried on the example analysis in the ore 3# coal bed in Shanxi, the results of prediction in line with the actual results, and different conditions for many parameters of the mine statistics  ...  In this article, at the basis of geological prospect, applied the automatic detection and multi-sensor data fusion technology for coal mine water disaster prevention and strengthened the dynamic monitor  ... 
doi:10.1016/j.egypro.2012.01.247 fatcat:zoe4ymmt6fgwtkuncm4hqqa2um

Characteristic of geological anomaly detected by combined geophysical methods in a deep laneway of coal mine

Liu Sheng-dong, Zhang Ping-song, Cao Yu, Wang Bo
2009 Procedia Earth and Planetary Science  
provide a powerful technology for safety and efficient driving in a deep laneway. keyword: multi-information of geophysics; geological anomaly; advanced detection; deep laneway  ...  Therefore, it is necessary to employ various geophysical methods for geological anomaly detection in the front of laneway end in order to avoid mine inundation, which guides the process of driving in a  ...  Acknowledgements Financial support for this work is provided by the Guqiao Coal Mine of Huainan Mining  ... 
doi:10.1016/j.proeps.2009.09.145 fatcat:wyptdmbuprgdbghdkfb4off2eu

Multi-Step Combined Control Technology for Karst and Fissure Water Inrush Disaster During Shield Tunneling in Spring Areas

Xing Huang, Linfeng Li, Chaofan Zhang, Bin Liu, Kejin Li, Hongbing Shi, Boyu Jing
2021 Frontiers in Earth Science  
First, a detailed geological exploration was carried out by ahead geophysical prospecting using high-density resistivity method, geological radar, etc., and geological borehole drilling was conducted from  ...  This study provided a reliable control method for shield tunneling through the karst and fissure water-rich area and played an essential role in protecting the spring water.  ...  Wang et al. (2021) presented a real-time water inrush monitoring system using the accurate measurement of sensors and wireless transmission bands and developed an early warning method for multi-information  ... 
doi:10.3389/feart.2021.795457 fatcat:s55gxbf725dn7bp3zbkm5gtxpm

Research on Tomography by Using Seismic Reflection Wave in Laneway

Yong-feng Liu, Yun-hai Wang, Hai-tao Ma
2011 Procedia Engineering  
It will help to supply positive guidance for working plan and construction measures in laneway.  ...  As a necessary step and an integral part of works in laneway, the geological prediction is an important means of reducing disaster losses and geological disasters in the works in laneway.  ...  instruments They have unique features for detection method, data processing and the result evaluation.  ... 
doi:10.1016/j.proeng.2011.11.2446 fatcat:6dk6xqxjg5gyxnbcr6au5wsrbu

Electromagnetic Response Characteristics Research on Mine Different Geological Body

Yi Mu, Hao Qiu, Hui Xu, Jianghua Li
2019 IOP Conference Series: Earth and Environment  
A large number of experimental research of the mine transient electromagnetic method was used to collect typical geological anomaly experience card cases in Jin Cheng mine, such as structure, mined-out  ...  In order to achieve fine detection to geologic abnormal body ,some card cases were analyzed by the electromagnetic response multi-parameter curves to identify electromagnetic response characteristics of  ...  After drilling by the miners, it is verified the original small coal mines 3 mined-out area, and drilled a larger amount of water, which has a total of 800,000 m 3 water.  ... 
doi:10.1088/1755-1315/237/6/062015 fatcat:vicwtz5scfdq7evsmtyamkdnum

Determination of Fractured Water-Conducting Zone Height Based on Microseismic Monitoring: A Case Study in Weiqiang Coalmine, Shaanxi, China

Wei Gao, Yingchun Li, Qingyuan He
2022 Sustainability  
The achievement of microseismic monitoring provides a guarantee for safety production and prevention and control of mine water disaster in the 1311 working face of the No. 3 coal seam, and can also be  ...  The microseismic monitoring system (MMS) was used to monitor the surrounding area of the 1311 working face in real time to obtain the microseismic event information during the fracture development.  ...  Informed Consent Statement: Not applicable. Acknowledgments: The technical staff of the Weiqiang coalmine are appreciated for their field work.  ... 
doi:10.3390/su14148385 fatcat:w7q3npxiczg23pr4piitpbwhem

Preliminary Discussion on Comprehensive Research Method for Rock Burst in Coal Mine Based on Newton's Second Law

Jianping Zuo, Hongqiang Song, Yunqian Jiang, Shankun Zhao, Meilu Yu, Liyun Li, Fabio Rizzo
2020 Shock and Vibration  
Rock burst is one of the major dynamic disasters that directly threaten production safety in coal mines.  ...  On this basis, a comprehensive rock burst research method involving the three elements of Newton's second law was proposed, which especially focuses on the investigation into geological conditions of mining  ...  It belongs to the direct contact monitoring method and contains drilling method, borehole stress measurement, mine pressure observation, and surrounding rock deformation measurement. e drilling method  ... 
doi:10.1155/2020/8861306 fatcat:egpa5tioajhqnpm6gsizichh7i

Fine Exploration and Control of Subway Crossing Karst Area

Jing Wang, Liping Li, Shaoshuai Shi, Shangqu Sun, Xingzhi Ba, Yijie Zhang
2019 Applied Sciences  
When a disaster source is unknown and uncertain, it is difficult for tunnel stability analysis to conform to the actual situation, which is likely to cause serious geological disasters.  ...  Firstly, the accurate location of the source of the disaster is realized via the geophysical method, and the orientation of the target is determined.  ...  At present, drilling laser technology is mainly used in the goaf of coal mine, but it is not combined with geophysical prospecting methods, which leads to the problem of blind drilling.  ... 
doi:10.3390/app9132588 fatcat:slm7xorc6feprkoe3n76dctmbu
« Previous Showing results 1 — 15 out of 3,006 results