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ANALISIS PENGARUH SALURAN DRAINASE TERHADAP LAJU EROSI PADA AREA REKLAMASI PT…
Reclamation activities are an important effort to restore land function and environmental quality. One of the main challenges in the reclamation process is the high risk of erosion, especially in areas that do not yet have an optimal runoff control system. This study aims to analyze the impact of drainage channels on reducing erosion rates in the reclamation area of PT Dizamatra Powerindo, Laha…
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- xvi, 125 hlm.; ilus.; tab.; 29 cm.
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- T1802422025
ANALISIS PENGARUH GEOMETRI PELEDAKAN TERHADAP HASIL FRAGMENTASI PELEDAKAN DI …
The main activities in coal mining at PT. Bukit Asam Tbk is an overburden stripping activity in the form of claystone with a strength of 34.5 Mpa. With a strength of 34.5 Mpa, PT Bukit Asam uses drilling and blasting methods to optimize the productivity of loading and digging equipment. There are several factors that become a benchmark for the success of an explosion among them, namely fragment…
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- xii, 128 hlm.; ilus.; 29 cm
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- T1439112024
ANALISIS KELAYAKAN INVESTASI TAMBANG BATUBARA MENGGUNAKAN METODE DISCOUNTED C…
As a country that has abundant natural resources, Indonesia is a target for entrepreneurs to invest and establish mining companies. Indonesia is one of the largest coal producing countries in the world with known coal reserves until 2021 based on BP Statistical Review data reaching 38.84 billion tons and spread throughout Indonesia. With such reserves, according to data from the Ministry of Ene…
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- xx, 122 hlm.; ilus.; tab; 28 cm
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- T1438132024
OPTIMASI BERAT BAHAN PELEDAK PER WAKTU TUNDA UNTUK MENCAPAI NILAI PEAK PARTIC…
PT Semen Baturaja Tbk. is a company with industrial commodities in the construction sector. The raw materials for making cement are limestone and clay. Limestone in this area is mined using the surface mining method with a quarry mine system. Limestone is a fairly hard sediment, therefore limestone scattering activities are carried out using drilling and blasting methods. The location of the bl…
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- xvi, 73 hlm.; ilus.; tab; 29 cm
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- T1436462024
ANALISIS SISTEM MINE DEWATERING TAMBANG BATUBARA DI PIT SECTION 2 PT BUDI GEM…
One of the coal mining companies named PT Budi Gema Gempita (BGG) has a production-operation mining business permit covering an area of 1,524 hectares located in Muara Lawai Village, East Merapi District, Lahat Regency, South Sumatra Province. Mining is carried out in pit section 2 with an area of 67.49 Ha. Mine base pit section 2 PT Budi Gema Gempita is located at an elevation of – 38 m with…
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- xv, 70 hlm.; ilus.; tab; 29 cm
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- T1437542024
ANALISIS ROOT CAUSE DAN PARETO FUEL CONS DIGGER DAN HAULER MENGGUNAKAN SOFTWA…
Fuel is one of the things that must be considered for consumption because the more fuel consumed, the higher the cost of mining production carried out. So it is necessary to analyze the fuel consumption of loading and transporting equipment so that it can be known whether or not the use of fuel is effective. This study aims to determine the fuel consumption of loading and hauling equipment and …
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- xxi, 111 hlm.; ilus.; tab; 29 cm
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- T1437792024
KAJIAN TEKNIS SISTEM PENYALIRAN PADA TAMBANG BATUBARA TAHUN 2023 DI PT BINA S…
One Aspect that needs attention in mining activities is the issue of water management. To carry out management in a mine water management system, several aspects need to be considered. At the end of 2022, problems occured in the west pit where high rainfall caused water to overflow and inundate the area in front of the mining area, thereby disrupting mining activities. Therefore, in dealing wit…
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- xiii, VI-1 hlm.; tab.; ilus.; 29 cm
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- T1430572024
EVALUASI KINERJA ALAT GALI MUAT DAN ALAT ANGKUT OVERBURDEN PERIODE BULAN JUNI…
PT Baturona Adimulya adalah perusahaan jasa industri pertambangan yang terintegerasi, PT Baturona Adimulya salah satu anggota grup perusahaan Ucoal Energy Wilayah kerja PT Baturona Adimulya Jobsite pit 7 terbagi menjadi tiga bagian yaitu Pit 7A, 7B, dan 7C untuk saat ini yang sedang dikerjakan pada Pit 7C. Metode yang digunakan berupa open pit. Proses penambangan bulan Juni 2023 memiliki rencan…
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- xiv, 81 hlm.; ilus.; 29 cm
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- T1429892024
OPTIMASI PERENCANAAN BLENDING BATUBARA MENGGUNAKAN PROGRAM LINIER UNTUK MEMEN…
PT. Kaltim Prima Coal (PT. KPC) banyak melayani penjualan batubara untuk kebutuhan konsumen dalam negeri maupun luar negeri. Saat ini PT. KPC melayani permintaan Perusahaan Listrik Negara (PLN) dengan persyaratan kualitas batubara sebagai berikut: total moisture (TM) < 22,50 %, kandungan abu < 6,50 %, total sulfur (TS) < 0,60 %, dan nilai kalor > 5.200 Kkal/Kg. Untuk dapat memenuhi kualitas bat…
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- xxii, 118 hlm.; ilus.; 29 cm
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- T1414172024
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