The vertical and parallel relations of the trench with drill drift are summarized by the bottom structure disposal design on inclined orebody footwall.

• 通过对倾斜矿体下盘底部结构的设计,总结了堑沟与凿岩巷道在垂直与平行位置关系,经比较和验算后合理设计底部结构,减少了开采损失贫化。