瞬变电磁法在豫西某矿井水文勘查中的应用

Application of TEM on Hydrological Survey to a Mine in the West of Henan Province

瞬变电磁法对低阻体反应敏感,近年来广泛应用于煤矿井下水文地质状况的勘查,可探测矿井下含水构造,如地下溶洞、煤矿采空区、深部不规则水体等。以豫西渑池某矿井为例,通过对勘查范围内的采空区赋水性、主采煤层顶板和底板的赋水性以及断层构造的赋水性进行探测,分析评价勘查区的水文地质发育情况,为该矿井的安全生产提供科学依据。

Transient electromagnetic method is sensitive to low resistivity object,which is widely used in the exploration of hydrogeology conditions in underground coal mine. It can identify water-bearing structure underground,such as underground karst caves,goaf of coal mine,irregular deep water body etc. In this essay,the author sets a coal mine in Mianchi County,west of Henan Province as an exam- ple, detects the water-bearing property of goaf, roof and floor of principal coal seam, as well as fault structure in exploration area, to eval- uate the development of hydrogeology in exploration area,finally provide scientific basis to continuous safe production of coal mine.