露天境界圈定以后,采、剥进度计划的安排对经济效果影响很大。七十年代以前,国内矿山大多采用缓帮开采工艺(以下简称缓帮工艺或缓帮,反之称陡帮工艺或陡帮)。其特点是沿纵轴方向布置长工作线,各工作台阶保持一定的超前距离,同步向前推进,一直到底。这种固定的工艺要求,给进度计 After delineation of the open-air realm, arrangements for mining and stripping schedules have a great impact on economic results. Before the seventies, most of the domestic mines used slow-release mining process (hereinafter referred to as slow-release process or slow-release process, and vice versa). It is characterized by a long work line along the longitudinal axis of the layout, the working steps to maintain a certain advance distance, simultaneously move forward, until the end. This fixed process requirements, to the progress meter