Abstract
In the 1970s, the exploitation of mineral resources in China experienced a period of dangerous growth while the civil mining situation became chaotic. This led to a large number of mined-out areas being left in underground mines. With this increase in exposure time, the stability of goaf is getting worse, causing geological disasters such as rock collapses, landslides and ground subsidence, and endangering the life safety of miners. Due to the complexity of geological engineering and mining technology, it is difficult for traditional technology to accurately determine the location and shape of goaf. The adaptability of surface and underground detection methods and technologies is analyzed in this paper according to the characteristics of goaf in metal mines, and the technology needed for precise exploration of concealed goaf in metal mines, based on 3D seismic technology, is put forward. By extracting the electrical and seismic response characteristics of metal mine goaf, the 3D seismic method can be used to detect the distribution of the goaf. The number, volume and filling condition of metal mine goaf are identified, which have guiding significance for mine safety.
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