Development and experimental study of a long-time monitoring system for mine water damage electrical information

Abstract

The change of mining stress often accompanies coal mining; these changes will affect the underground pressure water, destroy its original equilibrium state, increase the possibility of underground pressure water upward gushing, and then lead to the occurrence of mine water inrush accidents. A long-time monitoring system of mine water damage electrical information is developed to realize the long-time monitoring of mine underground pressure water. Based on the principle of resistivity tomography, this paper analyzes the method’s feasibility in inferring different geological distributions. Secondly, the long-time monitoring system of mine water damage electrical information is introduced. Finally, the stability and reliability of the instrument were proved by the simulation experiment, and the instrument was installed in the 17-33200 working face of Ping Coal No. 10 Mine, Pingdingshan City, Henan Province, China, for actual measurement to obtain the electrical information data of working face floor.