What to do after the stress balance of empty zone monitoring is broken

The reason why the goaf is unstable and collapses due to caving is that the original stress balance is broken. That is to say, before ground subsidence occurs, the stress balance system first becomes unstable, and the rock layer stress changes dramatically and ultimately cannot withstand the pressure above or Movement in other directions. That is, there is a change in stress first, which then leads to displacement. At present, in order to ensure the safety of goafs, most mining companies adopt Weihai Jinghe Mine Star series products goaf monitoring and early warning systems and fully automated network monitoring systems to monitor the stress of surrounding rocks and supporting structures in goafs. Ground force, strain, and displacement signals are used to comprehensively monitor and analyze multiple parameters to maximize the complementarity of various monitoring indicators, thereby significantly reducing the cost of the monitoring system, improving the accuracy of disaster monitoring, and realizing Provides real-time monitoring and early warning of disasters in goaf areas.
: >The core technology of Weihai Jinghe goaf monitoring is: stress monitoring. It monitors the stress of the rock formation through the stress of the anchored steel strands. Once abnormal changes in stress are found, the system automatically alarms and predicts ground subsidence in advance, reducing casualties and property losses. Stress anomalies also have a process. Instead of reaching the maximum or even collapse all at once, they gradually increase. During this period, the early warning system will detect it early and can usually predict it days in advance.
: Weihai Jinghe Digital Mining Technology Co., Ltd.’s Mine Star series products have achieved several major breakthroughs in ground pressure online monitoring and early warning systems. The company has achieved breakthroughs in tunnel convergence online monitoring and early warning systems and drilling stress online Monitoring and early warning systems, microseismic (acoustic emission) monitoring and early warning systems, empty area three-dimensional geological imaging systems, underground advanced detection systems, ground collapse and subsidence monitoring and early warning systems, etc. have all made relatively big breakthroughs, and can be used according to mine mining conditions. Different combinations of solutions are provided for empty areas, landslides, tunnels, etc. to solve safety monitoring and early warning problems.
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