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ANALISIS KINERJA FLEET DENGAN PENGEMBANGAN SISTEM PENCATATAN LOSS TIME MENGGU…
PT Bara Energi Lestari adalah perusahaan pemilik konsesi lahan pertambangan batubara seluas 1.495 ha di Gampong Seumambek, Kabupaten Nagan Raya, Provinsi Aceh. Kegiatan pengupasan lapisan overburden (OB Removal) saat ini dikerjakan di Pit Utara seluas 13,77 ha dengan jenis material berupa claystone dengan berat jenis 2,3 ton/m3. Pekerjaan pencatatan loss time pada kegiatan OB Removal di PT Bara…
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- xiv, 165 hlm.; ilus.; 29 cm
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- T1573872024
ANALISIS KESESUAIAN RELATIVE BULK STRENGTH MENGGUNAKAN BAHAN PELEDAK LOW DENS…
PT Kaltim Prima Coal uses blasting method in the interburden removal process. Blasting is declared successful if the fragmentation and digging rate produced meet the reference standards, which is related to the use of powder factor. To reduce the powder factor but still produce optimal blasting, PT Kaltim Prima Coal applies the use of low density explosives that can be varied and adjusted in en…
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- xviii, 57 hlm.; ilus.; tab, 29 cm.
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- T1553392024
PENINGKATAN KADAR BAUKSIT HINGGA MEMENUHI STANDAR SMELTER GRADE ALUMINA (SGA)…
Bauxite is a consisting of heterogeneous minerals with the main composition of alumina oxide (Al2O3). Bauxite as the main raw material for alumina can be obtained or extracted through mining processes carried out by surface mining and underground mining, according to the availability of bauxite itself. The Geological Resources Center data in 2014 shows the number of bauxite resources in Indones…
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- xvii, 139 hlm.; ilus.; 29 cm
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- T1457522024
ANALISIS KESELAMATAN KERJA PERTAMBANGAN BATU ANDESIT DI PT. ATIKA TUNGGAL MAN…
The Implementation of Mineral and Coal Mining Rules, it is part of one of the company's overall management systems in the context of controlling risks to the safety and health of mining operations. SMKP Minerba works as a reference for mines in Indonesia in implementing SMKP even though it has previously been implemented by SMK3. This study aims to test and analyze the application of the Mining…
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- xi, 83 hlm.; ilus.; 29 cm
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- T1395122023
ANALISIS PENGELOLAAN STOCKPILE BATUBARA DI PT. JASA LAKSA UTAMA, LAHAT, SUMAT…
PT. Jasa Laksa Utama is a coal mining company that is part of PT. Bara Alam Utama, located in Lahat Regency, South Sumatra Province. Results of company's coal production are stored in stockpile. Problem that occurs in this company is stockpile management that has not been going well due to high coal in that exceeds coal out, so there is coal final stock and it can cause difficulty in implementi…
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- xiv, 37 hlm.; Ilus.; 29 cm
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- T1381852024
ANALISIS PENGARUH SIFAT MEKANIK BATUAN TERHADAP KEMAMPUGARUAN BULLDOZER DAN K…
PT. Berau Coal is one of the mining companies in Indonesia, which is engaged in coal mining. This research was conducted in pit q. block prapatan at the site of binungan mine operation 1. The condition of the bulldozer ripper tool has experienced many breakdowns so the PA plan of the D10T-2 bulldozer is not on target which makes the production of overburden material ripping not achieved. As in …
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- xviii, 45 hlm.; Ilus.; 29 cm
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- T1105942023
EVALUASI KEBUTUHAN ALAT GALI MUAT DAN ALAT ANGKUT UNTUK MEMENUHI TARGET PRODU…
PT. Putra Muba Coal is a national company engaged in the coal mining industry and has been meeting coal needs for various local industries and international markets since 2008. PT. Putra Muba Coal uses an open pit mining system using a combination of excavators and dump trucks. In 2022 based on the RKAB (Work Plan and Budget) which has been approved by the Ministry of ESDM, PT. Putra Muba Coal …
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- xv, 40 hlm.; Ilus.; 29 cm
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- T917452023
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