Paper Info
Title
Monitoring Direct Current Resistivity During Coal Mining Process for Underground Water Detection: An Experimental Case Study
Abstract
Karst water may break into coal tunnels through the rock fissures and cause severe coal mine disasters. The direct current resistivity (DCR) is sensitive to underground water and can be used to detect fissures during the coal mining process. However, the three-dimensional (3-D) measurement of the DCR is still a challenging task and has not been applied to the practical coal mining dynamic process. To bridge this research gap, this study proposes a new 3-D cross-borehole method by monitoring the DCR at multiple points to analyze the geoelectrical field evolution in the underground coal mining process. Based on the forward and inversion theoretical analysis, a DCR observation system is developed for a real unground coal mine to evaluate the cross-borehole points. The 3-D resistivity distributions at different positions in the coal mining process are calculated. The analysis result demonstrates obvious resistivity changes with the evolution of the Karst water zone during the coal mining, and the location and movement of the Karst water can be well estimated. As a result, the proposed 3-D cross-borehole method is very effective for monitoring the DCR and is able to accurately detect the underground water.
Year
DOI
Venue
2022
10.1109/TGRS.2022.3173623
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING
Keywords
DocType
Volume
Conductivity, Three-dimensional displays, Coal mining, Coal, Monitoring, Rocks, Electric potential, 3-D cross borehole, direct current resistivity (DCR), geoelectrical sensing, underground water detection
Journal
60
ISSN
Citations 
PageRank 
0196-2892
0
0.34
References 
Authors
0
6
Name
Order
Citations
PageRank
Benyu Su100.68
Shengdong Liu200.34
Lei Deng300.34
Paolo Gardoni402.03
Grzegorz M. Krolczyk500.68
Zhixiong Li602.37