Ridho Subekti Rachmadi, M. Murad, Yoga Herlambang
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引用次数: 0

摘要

PT Gilgal Batu Alam Lestari是一家以花岗岩为主要矿物的矿业公司。本公司采用的采矿系统为露天矿山(采石场),具有卸、装、拖采矿通道。储量是一个必须知道的重要因素,因为它涉及将被出售的采矿活动的产品,是决定盈亏的因素之一。本研究采用的方法是横断面法。利用全站仪对PT Gilgal Batu Alam Lestari采石场的地形测绘结果显示,最高海拔75米,最低海拔30米的采石场地形发生了色调变化。采用截面法计算已开采花岗岩的体积和吨位,结果为163,906.93 m³或819,534.65吨。已开采储量占初始总储量342,673.98 m³(1713369.93吨)的14.03%。如果PT Gilgal Batu Alam Lestari可以继续生产160,000 m³/年的花岗岩,那么PT Gilgal Batu Alam Lestari花岗岩矿山的剩余寿命为7年零1个月。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
PERHITUNGAN CADANGAN BATU GRANIT DENGAN METODE PENAMPANG MELINTANG (CROSS SECTION) DI PT. GILGAL BATU ALAM LESTARI KECAMATAN SUNGAI KUNYIT KABUPATEN MEMPAWAH PROVINSI KALIMANTAN BARAT
PT Gilgal Batu Alam Lestari is a mining company that uses granite as its main mineral. The mining system used by the company is an open pit mine (quarry) with unloading, loading and hauling mining channels. Reserves are an important element that must be known because they involve products from a mining activity that will be sold and are one of the determining factors for profit and loss. The method used in this study is the cross-sectional method. The results of topographic mapping in the quarry area of PT Gilgal Batu Alam Lestari using a Total Station have changed hue in the quarry area with the highest elevation topography of 75 meters and the lowest of 30 meters. The volume and tonnage of granite that has been mined is calculated using the cross section method and the result is 163,906.93 m³ or 819,534.65 tons. The percentage of mined reserves obtained was 14.03% of the initial total reserves of 342,673.98 m³ or 1713369.93 tons. If PT Gilgal Batu Alam Lestari can continue to produce 160,000 m³/year of granite, then the remaining life of the granite mine of PT Gilgal Batu Alam Lestari is 7 years and 1 month.
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