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一、绪言住友株式会社多贺露天石灰石矿位于铃鹿山山系的西北部。月产量约为11万吨,其产品主要作为生产水泥用和作为碎石出售。在很多露天矿,其最终边坡的维护管理,无论从安全方面还是从矿量方面来看都
I. INTRODUCTION Sumitomo Corporation Hoaga open-air limestone mine is located in the northwestern part of Suzuka Mountain. The monthly output is about 110,000 tons and its products are mainly sold for the production of cement and as gravel. In many opencast mines, the maintenance and management of their ultimate slopes are both safe and mine-based