There are many complications that influent open-pit limit and the economic stripping ratio is the most important one.
影响露天矿开采境界的因素很多,其中一个最重要的因素就是经济合理剥采比。
The basic principles and applied conditions of three comparing methods calculating economic stripping ratio are expounded and a series of formulas corresPOnd with the ones are presented in the paper.
阐述了计算经济剥采比三种比效法的基本原理和适用条件。并提出了一套相应的计算公式。
The feasibility of adopting steep slope mining at main quarry is discussed against stripping ratio is high in flood peak period, and the preliminary scheme is put forward.
针对主矿采场正值剥离洪峰期剥采比较高的问题,对主矿采场实施陡帮开采的可行性进行论述,并且对陡帮开采方案提出初步设想。