三道庄矿区不规则空区的处理

介绍了三道庄矿区在目前条件下处理露天采场下部大量不规则采空区的方法，认为深孔逐次爆破处理大面积地下采空区具有效率高、作业安全、投入少的明显优点，不足之处是深部大块较多，并易产生岩根。

Disposal of the Irregular Mine Goaf in Sandaozhuang Mining District

This paper describes the approach to dispose of a lot of irregular goaf below the open pit under the present conditions in Sandaozhuang mining district. It is considered that the approach of caving large-area underground mine goaf by zoned deep-hole blasting has such obvious advantages as high efficiency, good working safety and lower investment, but has such shortcomings as more bourock producing in the deep and rock toe forming easily.