我国冶金、化工、建材、核工业等系统的矿山,应用空场法、留矿法开采均占有一定比重。所形成的空区按赋存条件可分为水平及缓倾斜矿体采空区;急倾斜薄矿脉群采空区;倾斜、急倾斜厚矿体采空区等三种类型。这些空区可能 China’s metallurgy, chemical industry, building materials, nuclear industry and other systems of mines, the application of open-field method, mining law occupy a certain proportion. According to the occurrence conditions, the vacant area formed can be divided into three categories: horizontal and gently inclined goaf; gob area of ​​steeply dipping thin-veins group; and gob, of inclined and steep thick ore body. These empty areas are possible