Equipment size effects on open pit mining performance

摘要: This paper discusses the exploitation of economies scale in open pit mining through use increasingly larger equipment. It presents a method adopted to evaluate impact increased on operational performance factors. The work identifies equipment size sensitive variables (ESSVs) mine design process that affect production process. Data from set case studies show ESSV influence extends beyond encompass milling performance, environmental footprint and community impacts. Some ESSVs (such as reliability, tyre costs productivity) are shown be related current state technology their effects therefore comparable for different mines. Other relate deposit characteristics; vary mine. A detailed analytical approach, developed model ESSVs, suggests truck/shovel operations, industry may approaching situation d...