Response characteristics of high-density resistivity method in underground cavity exploration
In engineering construction,the existence of air-raid shelters,sinkholes,karst caves and other voids will have adverse effects on underground engineering such as the foundation of buildings and structures.In this paper,the forward and inverse models of single layer voids with different depths are obtained by using the forward modeling and least square inversion software of finite element difference method.Through the inversion test of a high density electrical method detecting air-raid shelter project in Shanxi Province,the regularity of numerical simulation of high density electrical method in different depths is verified.