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前言亨德森矿位于美国科罗拉多州中部的山区,系一采用盘区崩落法开采的地下钼矿。全部巷道掘进作业和主要生产作业均使用柴油驱动轮胎式自行设备。自1976年7月投产起的头五年是亨德森矿的自行设备台数和职工人数迅速增加的时期。设备最多达到约250台,职工最多达到
Introduction The Henderson Mine is located in the mountains of central Colorado, USA, and is a subterranean molybdenum mine that is exploited by the Panel Caving. All tunneling operations and major production operations are using diesel-driven self-tire equipment. The first five years since its commissioning in July 1976 have been a period of rapid growth in the number of Henderson Mine equipment and workers. Up to about 250 units of equipment, up to employees