Filter by
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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xii, 84 hlm.; Ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xx, 67 hlm.; Ilus.; 29 cm
- Series Title
- -
- Call Number
- 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 …
- Edition
- -
- ISBN/ISSN
- -
- Collation
- ix, 86 hlm.; Ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiii, 74 hlm.; Ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiv, 75 hlm.; Ilus.; 29 cm
- Series Title
- -
- Call Number
- 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 …
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiv, 62 hlm.; ilus. 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xv, 45 hlm.; Ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xv, 90 hlm.; Ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xv, 80 hlm.; Ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xviii, 157 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xx, 54 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xii, 130 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xvii, 98 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiv, 28 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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 …
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xii, 86 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xv, 63 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- viii, 58 hlm.; ilus.; 29
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xv, 60 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiv, 34 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- 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 …
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xvi, 64 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T618722022
PERENCANAAN TEKNIS SERTA ANALISIS KEEKONOMIAN PENAMBANGAN BATUBARA PADA PT. T…
PT Tunas Jaya Perkasa developed a business as a coal mining contractor at PT Jorong Barutama Greston with a coal production target of 1,806,000 tons / year with a project life of 5 years. Based on the results of data processing and analysis, it can be determined, the fleet scenario, namely for the fleet scenario that will be used in overburden mining, totaling 11 fleets using a digging tool 2 u…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xvii, 58 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T662292022
ANALISIS PROSES PENINGKATAN KUALITAS PASIR TIMAH UNTUK MEMENUHI STANDAR INDUS…
Indonesia has a country with abundant natural wealth. One of Indonesia's wealth that should be proud of is tin. Indonesia has the second largest tin reserves after China with the second largest production in 2021. Tin is a strategic metal in advancing the Indonesian economy, considering the role of tin in supporting technologically innovative products. One of these products is the use of tin ox…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xix, 55 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T704012022
ANALISIS PENINGKATAN KUALITAS PASIR BESI UNTUK BAHAN DASAR INDUSTRI MAGNET PE…
Iron sand is sand consisting of grains of sand containing magnetic elements of iron and some other minerals, so that the amount of iron content in the grains of sand is not the same. Iron sand is one of the mining materials in Indonesia which is exploited on a large scale. Iron sand is usually found in the mountains, along rivers and is mostly found on the coast. These include along the west co…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiv, 49 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T691672022
ANALISIS PENINGKATAN KADAR PASIR SILIKA DENGAN MENGUNAKAN MAGNETIC SEPARATOR …
Silica sand is one of the non-metallic minerals which is quite abundant in Indonesia. Silica sand is found in coastal areas of rivers, lakes, beaches, and some in shallow oceans. Silica sand is also one of the raw materials used for the safety glass industry. The silica content (SiO2) in silica sand for the safety glass industry must comply with the Indonesian National Standard for the safety g…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiv, 54 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T742982022
HILIRISASI PEMANFAATAN PASIR SILIKA UNTUK MEMENUHI KEBUTUHAN AGREGAT HALUS PA…
Pasir silika atau pasir kuarsa merupakan salah satu bahan galian non logam dengan ketersediaan jumlah yang melimpah di Indonesia. Kondisi ini dapat diakibatkan oleh keadaan alam Indonesia yang hampir seluruhnya tersusun atas batuan beku asam sebagai sumber pembentuk bahan galian tersebut. Di Indonesia, persebarannya sering ditemukan di daerah pesisir pantai, sungai maupun danau dan sebagian pad…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiv, 51 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T703952022
ANALISIS PENINGKATAN KUALITAS PASIR BESI UNTUK MEMENUHI BAHAN BAKU BAJA TULAN…
Iron sand is a sand deposit that contains various minerals, including the mineral hematite (Fe2O3) which is one of the materials used in the manufacture of concrete reinforcing steel. The level of Fe2O3 in iron sand used as raw material for reinforcing steel in concrete must be in accordance with the Indonesian National Standard for raw materials for making reinforcing steel, which is 60.44%. G…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xvii, 58 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T742962022
ANALISIS PENINGKATAN KADAR PASIR TIMAH DENGAN ALAT JIG UNTUK KEBUTUHAN SENSOR…
Current technological developments have affected all fields. Along with these developments, it makes humans have a greater desire to know sophisticated technology, because it can make it easier for humans to do anythings. In the current era of globalization, which is marked by the number of people using technology to help ease work, so many devices have been created with innovative technology a…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xvi, 48 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T712312022
ANALISIS PENINGKATAN KUALITAS PASIR TIMAH UNTUK MEMENUHI KEBUTUHAN INDUSTRI P…
Granite is a rock that carries the mineral cassiterite (SnO2) which is associated with acid magma and penetrates the sedimentary layer (granite intrusion). The process of forming tin ore (Sn) comes from molten magma containing the mineral cassiterite (SnO2). The tin sand content used in this study was 48,16%, while based on previous research, the tin sand content used for pipe making was at lea…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xv, 52 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T691942022
ANALISIS PEMANFAATAN PASIR TIMAH UNTUK MEMENUHI KEBUTUHAN INDUSTRI KACA FLUOR…
Tin sand is a sand deposit that contains several minerals, including the mineral cassiterite (SnO2) which is one of the materials used in the fluorine tin oxide glass manufacturing industry. The Sn content in the tin sand used for the manufacture of fluorine tin oxide glass must meet the requirements of 33.3%. Generally, the levels of Sn contained in tin sand mining results have low levels, so …
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xviii, 55 hlm.; ilus.; 29 cm
- Series Title
- -
- Call Number
- T667932022
DESAIN FINAL PIT PENAMBANGAN BATUBARA UNTUK MEMENUHI TARGET PRODUKSI 960.000 …
PT. Bukit Tambi Mine is a private company engaged in the coal mining business, located in Batanghari district, Jambi. Monthly coal production target at PT. The Bukit Tambi mine is 80,000 tonnes. PT. Bukit Tambi Mine plans to open a new pit, namely Pit 6 to replace pit 4 which is almost reaching the mining limit. Pit 6 is designed using AutoCAD2017 software and CivilSurpac 6.6.2 which is divided…
- Edition
- -
- ISBN/ISSN
- -
- Collation
- xiv, 41hlm.: ilus.; 29 cm
- Series Title
- -
- Call Number
- T672252022
Computer Science, Information & General Works 
Philosophy & Psychology 
Religion 
Social Sciences 
Language 
Pure Science 
Applied Sciences 
Art & Recreation 
Literature 
History & Geography