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ANALISIS KELAYAKAN INVESTASI PENAMBANGAN PASIR SUNGAI MUSI PULOKERTO UNTUK IN…
Geneirally, miost oif thie exisiting faicilities anid infraistructure uise conicrete constiructioin, wheire tihe mixeid mateirial tio miake coincreite iis oine oif thiem usiing saind. Tio prioduce qiualiity reaidy-mixied coincrete foir buiilding coinstructiion, saind quaility thiat meetis Indionesiian natioinal standarids iis reiquired. Theirefiore, ai studiy wias coniducited tio anailyze tihe …
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- xvi, 54 hlm.; ilus.; tab, 29 cm.
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- T1536692024
KAJIAN PERANCANGAN LOKASI CHANGE SHIFT UNTUK MEMINIMALISIR ABNORMAL CYCLE MEN…
PT Pama Persada Nusantara is one of the contractor companies at PT Bukit Asam Tbk. who is responsible for managing the MTBU Site which is located in Lahat Regency, South Sumatra with an area of 2,886 Ha and uses conventional methods with a total of 22 fleets divided into 2 work shifts with an effective time of 21.6 hours. Shift changes are carried out at 3 location points (CS 1, CS 2, CS 3) wit…
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- xvii, 58 hlm.; ilus.; tab, 29 cm.
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- T1541432024
OPTIMALISASI MANAJEMEN STOCKPILE DALAM UPAYA MEMPERTAHANKAN KUALITAS DAN KUAN…
PT Duta Bara Utama merupakan salah satu perusahaan yang bergerak di bidang pertambangan batubara yang mengelola stockpile di area site penambangannya. Pada awal November, stok batubara yang tersisa di stockpile tercatat sebesar 316.887,14 ton. Jumlah stok yang relatif besar ini disebabkan oleh tercapainya target penjualan sebesar 1,1 juta ton, sesuai dengan Rencana Kerja dan Anggaran Biaya (RKA…
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- xv, 61 hlm.; ilus,; tab, 29 cm
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- T1836972025
RANCANGAN SUMP PADA PENAMBANGAN BATUBARA DI PIT 3 TIMUR BANGKO BARAT PT. BUKI…
Coal mining activities at Pit 3 East Banko Barat PT. Bukit Asam, Tbk uses the surface mining system method. Coal mining with an open system is strongly influenced by weather factors, where weather can have an impact on mining operational activities. Based on field observations, Pit 3 East Banko Barat does not yet have a main sump, causing the mining front to be flooded. On this basis, a main su…
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- xvi, 33 hlm.; ilus.; tab, 29 cm.
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- T1535442024
KAJIAN RENCANA PENGGUNAAN SHOVEL KOMATSU PC 3000-6 DAN BELAZ 75135 TERHADAP D…
Pit X TAL Utara PT Bukit Asam plans to replace the excavation and haulage equipment with larger capacity due to increased production. If a tool is above the ground it will provide ground pressure which ground pressure from this tool must be smaller than the value of the bearing capacity of the soil. Therefore, Dynamic Cone Penetrometer (DCP) testing is carried out to determine the value of soil…
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- xvii, 58 hlm.; ilus.; tab, 29 cm.
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- T1538432024
ANALISIS PENGARUH HGI (HARDGROVE GRINDABILITY INDEX) BATUBARA TERHADAP WAKTU …
Coal has different HGI (Hardgrove Grindability Index) values, in the Inul East pit of PT Kaltim Prima Coal which has 15 coal seams, some of which are seams K1, K4, K6, K12, K14 and K17LR which are divided into 3 products namely: Melawan, Pelikan 4800, and Pelikan 4300. This research aims to see the effect of coal HGI value on Cat 6015 backhoe digging time. The data processing used in this resea…
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- xvii, 53 hlm.; ilus.; tab.; 29 cm.
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- T1535722024
PERENCANAAN TEKNIS SEQUENCE PENAMBANGAN BATUBARA TRIWULAN (I, II, III, IV) TA…
PT Dizamatra Powerindo adalah perusahaan pertambangan dengan Wilayah Izin Usaha Pertambangan seluas 971 hektar. Perusahaan ini menargetkan produksi sebesar 3,4 juta ton batubara pada Pit 04. Maka dari itu, diperlukan perencanaan dan redesign pit, kapasitas disposal, dan banyaknya unit yang dibutuhkan agar target produksi pada tahun 2024 tercapai. Software Minescape 5.7 akan menjadi alat bantu u…
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- xviii, 66 hlm.; ilus.; tab, 29 cm.
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- T1535272024
EFEKTIFITAS PENGGUNAAN CARA PEMADATAN UNTUK MENCEGAH TERJADINYA SWABAKAR PADA…
Coal produced from the mining front in general are not directly sent to consumers but stacked temporarily in a buildup place called stockpile.The main problem that company has to in the buildup of temporary coal stockpile is spontaneous combustion. Therefore, the compaction method is used to prevent a spontaneous combustion. From the results of studies in the field, it is found that the tempora…
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- xii, 45 hlm. : ilus. ; tab. ; 28 cm
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- T1419942014
ANALISIS PEMANFAATAN BAUKSIT UNTUK MEMENUHI KEBUTUHAN PEMBUATAN SEMEN GEOPOLI…
Bauksit merupakan hasil proses pelapukan dari batuan granit yang di dalamnya terkandung bebagai mineral, salah satunya mineral boehmit (Al2O3) yang merupakan salah satu bahan yang digunakan dalam bahan baku pembuatan semen geopolimer. Untuk kadar Al2O3 dalam pembuatan semen geopolimer menurut Muchtar Aziz, Azahri (2014) yaitu 65,23%. Umumnya kadar Al2O3 hasil tambang tidak sesuai atau tidak men…
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- xv, 45 hlm.; ilus.; 29 cm
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- T1251922023
EVALUASI PRODUKTIVITAS METODE RIPPING PADA PENGUPASAN OVERBURDEN DI PT. PRIMA…
PT. Prima Mulia Sarana Sejahtera merupakan salah satu dari perusahaan swasta yang bergerak di bidang penambangan batubara. Dalam rangka penambahan kapasitas produksi perusahaan, diperlukan peningkatan produktivitas pada kegiatan pengupasan tanah penutup, terutama pada kegiatan ripping overburden. Kegiatan ripping pada pengupasan overburden menggunakan dozer komatsu D375A unit DZ253 dan DZ265. P…
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- xv, 66 hlm.; Ilus.; 29 cm
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- T1254962023
ANALISIS PENENTUAN NILAI POWDER FACTOR UNTUK PEROLEHAN FRAGMENTASI BATUAN YAN…
PT. Berau Coal is known as a mining company engaged in the coal industry. In coal production, it is necessary to dismantle overburden by drilling and blasting. The standard of blasting operation in Pit E Blok 7 Binungan Mine Operation 2 is fragmentation ≤50 cm produced more than 60% and powder factor 0,21 kg/bcm. The drilling methods used are single rod and double rod. Based on field observat…
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- xii, 84 hlm.; Ilus.; 29 cm
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- T1037792023
ANALISIS KEMAJUAN INSTALASI PENYANGGAAN TAMBANG BAWAH TANAH PADA PEKERJAAN RE…
PT. Freeport Indonesia (PTFI) merupakan salah satu perusahaan yang bergerak dalam bidang industri pertambangan mineral. PT. Freeport Indonesia berlokasi di Kabupaten Mimika, Provinsi Papua. Penelitian ini dilakukan karena nilai linear meter penyanggaan tambang bawah tanah yang digunakan pada saat ini perlu dirubah menyesuaikan dengan keadaan aktual lapangan di area Mill Level Adit (MLA) terkini…
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- xx, 67 hlm.; Ilus.; 29 cm
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- T1282422023
KAJIAN TEKNIS PENGELOLAAN LINGKUNGAN STOCKPILE BATUBARA DI PT. BUKIT ASAM, TB…
PT Bukit Asam Tbk is a state-owned company (BUMN) which was established on March 2, 1981 in accordance with PP No. 42 of 1980 on December 15, 1980. The company is headquartered in Tanjung Enim, South Sumatra. The company has two coal ports, namely those in Palembang, South Sumatra, namely the Kertapati Coal Pier and those in Bandar Lampung, namely the Tarahan Coal Port. ROM (Run of Mine or Raw …
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- ix, 86 hlm.; Ilus.; 29 cm
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- T1260062023
EVALUASI PRODUKTIVITAS ALAT GALI MUAT DOOSAN DX 520 DAN ALAT ANGKUT HINO FM 2…
In general, the productivity of mechanical devices is a value that shows the amount of material production that can be done by both loading and transporting equipment in a certain unit of time. The size of the productivity of the loading and digging tool depends on the factors that influence it. Basically, the ability of tools and humans has limits in maximum use because of small obstacles that…
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- xiii, 74 hlm.; Ilus.; 29 cm
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- T1236502023
ANALISIS PENGARUH PERUBAHAN GEOMETRI PELEDAKAN TERHADAP FRAGMENTASI DAN DIGGI…
Dengan tingginya laju produksi, PT Kaltim Prima Coal (PT KPC) harus selalu melakukan inovasi agar seluruh tahapan dapat dilaksanakan secara optimal dan efisien, terutama pada tahap pemboran dan peledakan. Salah satu faktor penting keberhasilan suatu operasi peledakan dilihat dari fragmentasi hasil peledakan dimana hal tersebut akan berdampak pada aktivitas gali muat material. Berdasarkan data d…
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- xiv, 75 hlm.; Ilus.; 29 cm
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- T1278682023
EVALUASI KINERJA BULLDOZER CAT D6R2 XL UNTUK MENCAPAI TARGET DOZING OVERBURDE…
The bulldozer performance at Tata Bara Utama in the disposal area had not yet reached the target, so an evaluation of the bulldozer is needed to achieve the dozing target and the dozing pattern of the bulldozer. This research was conducted using a field survey to collect primary and secondary data, then proceed with analyzing the data that has been obtained. The results of this study were that …
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- xiv, 62 hlm.; ilus. 29 cm
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- T1187542023
ANALISIS KEMANTAPAN LERENG DITINJAU DARI KOMPOSISI MINERAL PADA FORMASI LEREN…
Slope stability is an important factor in the sustainability of the mining process, a stable slope will reduce potential losses due to cladding. A waste dump/disposal area is an area in an open pit mining operation that is used as a place to dispose of low-grade material and/or non-ore materials such as overburden and interburden. The east block heap slope of the Muara Tiga Besar Utara is a hoa…
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- xv, 45 hlm.; Ilus.; 29 cm
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- T1103112023
MODIFIKASI GEOMETRI PELEDAKAN UNTUK MENGURANGI BOULDER DI LOKASI PNBP LIMESTO…
PT Semen Padang (persero) Tbk is one of the cement producers in Indonesia and is part of the Semen Indonesia Group (SIG). In the unloading of limestone at PT Semen Padang (Persero) Tbk, drilling and blasting activities are carried out, the company has a standard of supervision of the performance of the PT Dahana (Persero) blasting service, namely the size of the blasted rock which is ≤80 cm i…
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- xv, 90 hlm.; Ilus.; 29 cm
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- T1217322023
RANCANGAN PENAMBANGAN BATUAN ANDESIT DI PT BIMA SHABARTUM WIJAYA, KABUPATEN O…
Andesite is one of the rock mining commodities that is useful in building infrastructure in the Baturaja area. In 2023, PT Bima Shabartum will mine in the South Ogan Komering Ulu district, so data is needed to prepare the mining process, namely regional geological data, pit limit design data, and mine road planning. Therefore, the authors conducted research to obtain these data. Prospecting act…
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- xv, 80 hlm.; Ilus.; 29 cm
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- T1236112023
ANALISIS PENINGKATAN KUALITAS MINERRAL HEMATIT PADA PASIR BESI UNTUK MEMENUHI…
Iron sand is a sand deposit that contains various minerals in it, including the hematite mineral (Fe2O3) which is one of the materials used in the cement manufacturing industry. The Fe2O3 grade in the iron sand used for cement manufacture must comply with the cement manufacturing standard, which is 76,21%. Usually, the Fe2O3 grade contained in the iron sand from mining practice does not reach t…
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- xviii, 157 hlm.; ilus.; 29 cm
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- T856522023
ANALISIS KEBUTUHAN SUMUR RESAPAN SEBAGAI UPAYA MENGURANGI VOLUME RUN OFF DI P…
Runoff is the water that flows on the surface due to the lack of soil infiltration capacity. Excessive runoff can cause floods. One area that is affected by this issue is the Housing of Unsri Lectures, Bukit Lama Village, Palembang City. This study aims to provide an alternative drainage planning in the form of infiltration wells and analyze the dimension scenarios that can help reduce excessiv…
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- xx, 54 hlm.; ilus.; 29 cm
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- T1159962023
POLA KEBIJAKAN PERTAMBANGAN DALAM PENYUSUNAN PROGRAM PENGEMBANGAN DAN PEMBERD…
The mining industry is obliged to contribute in improving the living standards of the community, especially the local communities living around the area of operation - as well as to help in the making of environmentally sustainable development, one of which is by conducting the obligations of the Community Development and Empowerment Program (PPM). This program is planned by mining companies wh…
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- xii, 130 hlm.; ilus.; 29 cm
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- T1164782023
OPTIMASI JARAK TITIK INFORMASI DALAM ESTIMASI SERTA KLASIFIKASI SUMBERDAYA BA…
The reference currently used in estimating and classifying coal resources in PT Dizamatra Powerindo is SNI 5015:2019, which refers to the Australian Guidelines for Estimating and Reporting of Inventory Coal, Coal Resources, and Coal Reserves, 2003 Edition. However, several changes have emerged with the issuance of The JORC Code, 2012 Edition and Australian Guidelines for The Estimation and Clas…
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- xvii, 98 hlm.; ilus.; 29 cm
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- T753782022
EVALUASI PERSENTASE BATUBARA HALUS (FINE COAL) DI PT. DIZAMATRA POWERINDO, KA…
PT. Dizamatra Powerindo is a coal mining unit located in Lahat Regency, South Sumatra. This company implements an open-pit mining system using strip mining. In production activities, it was found that fine coal measuring < 2 mm with a percentage of 16% was found in ready-to-sell products. The PLTU party provides conditions to PT. Dizamatra that the percentage of refined coal is below 10% in rea…
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- xiv, 28 hlm.; ilus.; 29 cm
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- T771642022
ANALISIS PENINGKATAN NILAI TAMBAH PASIR TIMAH UNTUK MEMENUHI BAHAN BAKU INDUS…
Kasiterit merupakan sumberdaya alam yang sering dijumpai di Indonesia. Unsur penyusun utama mineral kasiterit adalah Sn yang dalam nama lain disebut stannum, merupakan sumberdaya alam yang dimanfaatkan oleh manusia sejak lama. Kasiterit banyak ditemukan di beberapa daerah di Indonesia tersebar mulai dari Kepulauan Riau sampai ke pulau Bangka Belitung, serta terdapat di Riau yaitu Kampar, Rokan …
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- xii, 86 hlm.; ilus.; 29 cm
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- T663862022
EVALUASI SISTEM PENIRISAN TAMBANG BATUBARA AREA PIT UTARA PT BARA ANUGRAH SEJ…
PT Bara Anugrah Sejahtera is a company engaged in coal mining. The mining system currently applied is the open pit method. Alng with the development of the mine, it will create a large basin that has the potential to become a water storage area. In the rainy season, water will in undate the mining area, causing the hole to be flooded. The pump used is a KSB DND 150 4H pump with a capacity of 57…
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- xv, 63 hlm.; ilus.; 29 cm
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- T737342022
PERENCANAAN TEKNIS DAN EKONOMIS REKLAMASI TAMBANG BATUBARA TAHUN 2023-2024 PT…
PT Triaryani (TRA) is located in Musi Rawas Utara, South Sumatra. TRA produces 1,000,000. tons in 2019. The plan for topsoil spreading with an area of 1.15 hectares which will be reclaimed in 2023 requires 5,750 m3 of topsoil, while in 2024 it requires topsoil with anPerPer area of 6.6 hectares as much as 33,000m3 with a topsoil thickness of 0 ,5 m. The revegetation activity plan covers an area…
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- viii, 58 hlm.; ilus.; 29
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- T820952022
PERENCANAAN TEKNIS SCHEDULE PENAMBANGAN BATUBARA PADA TRIWULAN I TAHUN 2022 D…
PT Bima Putra Abadi Citranusa is a company engaged in coal mining located in Lubuk Betung Village, South Merapi District, Lahat Regency, Province South Sumatra. PT. BPAC plans to meet the production target in first quarter of 2022 of 459.711,58 tons. For this reason, it is necessary to plan a new mining design and schedule to meet production targets. This study aims to technically plan the stag…
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- xv, 60 hlm.; ilus.; 29 cm
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- T738942022
PENCUCIAN BATUBARA MENGGUNAKAN ARUS VERTIKAL (HYDROCYCLONE) UNTUK MENGURANGI …
Ash contained in coal or ash content greatly affects the quality of coal. Standard use of ash in PLTU requires coal with an ash content value of 7.8%. So that the coal washing process is needed to reduce the ash content. This study focuses on improving the quality of coal by reducing the ash content of coal using a hydrocyclone with a variable height of the overflow position of 45 cm, 51 cm, an…
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- xiv, 34 hlm.; ilus.; 29 cm
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- T740152022
ANALISIS PENGARUH BERAT FEED, TINGGI DAN JARAK ANTAR RIFFLE TERHADAP HASIL PR…
Tin is a type of metal with a silvery white color and luster that is not easily oxidized and is malleable. Tin in nature is not found in compound elements, but combined with other elements and mineral in the form of compunds, or commonly called tin sand. The current tin is obtained from the mineral cassiterite (tin ore) or the main mineral that found in tin sand. To obtain that tin ore, mining …
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- xvi, 64 hlm.; ilus.; 29 cm
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- T618722022
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