KAJIAN PENERAPAN SISTEM FIRST IN FIRST OUT PADA STOCKPILE BATUBARA DI PIT 3 B…

PT Bukit Asam Tbk, as a coal mining company, plays a vital role in national energy supply. One crucial aspect of its operational activities is stockpile management, which serves as a coal storage area. Problems encountered at Pit 3 Banko include the inadequate implementation of the First In First Out (FIFO) system and the stockpile height exceeding the standard. This study aims to analyze the a…

ANALISIS BALIK LERENG MENGGUNAKAN METODE MORGENSTREN-PRICE PADA BLOK X PIT X …

The research was conducted in the Tanjung Enim area, South Sumatra. Back analysis of slope stability was performed to determine the actual condition of unstable rock masses and slopes by studying the factors that caused the landslides that had occurred. The purpose of this back analysis was to recommend a safe slope design and identify the factors that caused landslides in the study area. This …

PERENCANAAN TEKNIS SEKUEN PENAMBANGAN SERTA SUMP TEMPORARY DAN PERENCANAAN DI…

PT Duta Bara Utama is a coal mining company with a mining permit covering an area of 1,967 hectares. PT Duta Bara Utama targets 7,150,000 bcm of overburden and 2,000,000 tons of coal in 2025. In 2024, PT Duta Bara Utama produced 1,900,000 tons of coal and increased its production by 2,000,000 tons in 2025. The company uses the open pit mining method with main equipment such as excavators and du…

KAJIAN PENGARUH GEOMETRI TERHADAP FRAGMENTASI DAN BIAYA PELEDAKAN BATU KAPUR …

Blasting activities at PT Semen Padang are carried out to fragment hard rock formations using a blast geometry that typically involves a burden of 3–4 meters, spacing of 3–5 meters, and blast hole depths of up to 11 meters. The explosive used is DABEX 73, a mixture of 70% ANFO and 30% emulsion, produced on-site and mixed using a Mobile Manufacturing Truck (MMT), ensuring both operational ef…

ANALISIS BLENDING BATUBARA UNTUK MEMENUHI SPESIFIKASI PERMINTAAN KONSUMEN DI …

PT Putra Muba Coal is a coal mining company located in Musi Banyuasin Regency, South Sumatra Province, with two active mining areas, namely the Abimanyu and Pandu pits. These two pits produce coal with different quality characteristics, such as calorific value, ash content, moisture, and sulfur content, which pose challenges in meeting spot market demand, particularly for shipments of 8,500 ton…

ANALISIS PENGARUH DAYA DUKUNG TANAH TERHADAP PEMILIHAN ALAT MEKANIS PADA PENA…

The selection of mechanical equipment in coal mining operations is heavily influenced by geotechnical conditions, particularly the soil bearing capacity. This capacity must be calculated and compared with the ground pressure exerted by the mechanical equipment. To avoid ground failure or subsidence, the ground pressure must be lower than the soil’s bearing capacity. Soil compaction was assess…

OPTIMASI PIT PENAMBANGAN NIKEL LATERIT DI PT MINERAL ALAM ABADI GROUP SITE BC…

Indonesia is the world’s largest nickel producer with production of 1,6 million metric tons in 2022 (48,48% of global production) and reserves of 17,7 billion tons of ore or 177,8 million tons of metal. Most of the nickel laterite is found in the eastern is spread across Southeast Sulawesi, Central Sulawesi, South Sulawesi, Maluku, North Maluku, Papua, and West Papua. PT Mineral Alam Abadi (M…

ANALISIS LINEAMENT DENSITY DAN IMPLIKASINYA TERHADAP KERAWANAN BENCANA LONGSO…

Every region in Indonesia is not exempt from disasters, whether natural or social. One area in Indonesia that is the subject of this discussion is South Bengkulu Regency. Based on data from the National Disaster Management Agency, landslides have been a frequent occurrence in the past 10 years. To minimize landslide incidents, an initial mapping of landslide disaster vulnerability areas is nece…

PENGARUH GEOMETRI JALAN ANGKUT TERHADAP PRODUKTIVITAS ALAT ANGKUT PADA PENAMB…

This study aims to analyze the effect of haul road geometry on the productivity of hauling equipment in coal mining operations at PT Bhumi Sriwijaya Perdana Coal, Musi Banyuasin Regency, South Sumatera. The evaluated parameters include road width, longitudinal grade, cross slope, superelevation, and curve radius, which were compared with the standards of Ministerial Decree of Energy and Mineral…

OPTIMASI PRODUKSI BARGE LOADING CONVEYOR DALAM PEMUATAN BATUBARA DI PT PUTRA …

PT Putra Muba Coal is a coal mining company that utilizes a Barge Loading Conveyor (BLC) system for loading coal from the stockpile to the barge. In March 2025, the company set a production target of 108,500 tons/month or a daily target of 3,500 tons. However, actual production has not consistently met this target. This study aims to analyze BLC productivity, identify key obstacles hindering sm…

ANALISIS KESTABILAN LERENG SIDEWALL MENGGUNAKAN METODE BISHOP PADA PIT B2 TAM…

Penelitian ini dilakukan di PT Batu Hitam Jaya, sebuah tambang batubara terbuka di Kabupaten Batanghari, Jambi. Pada awal Februari 2025, terjadi kelongsoran pada bench di bawah jalan dengan lebar 16 meter, tinggi 5 meter, dan sudut kemiringan 38° yang juga difungsikan sebagai jalan menuju disposal. Kondisi ini menimbulkan gangguan operasional dan meningkatkan risiko keselamatan, sehingga diper…

KAJIAN BLENDING BATUBARA DALAM RENCANA PEMENUHAN MARKET BRAND BULAN MARET PT …

Batubara merupakan salah satu sumber energi utama yang digunakan di berbagai negara dan sering diperdagangkan guna memenuhi kebutuhan energi global. Indonesia sebagai salah satu negara penghasil batubara memiliki peran penting dalam memenuhi permintaan tersebut salah satunya melalui PT Bukit Asam Tbk yang memproduksi dan mengekspor batubara dalam berbagai market brand. Penelitian ini bertujuan …

ANALISIS PENGARUH PENGGUNAAN AIR DECK TERHADAP FRAGMENTASI HASIL PELEDAKAN, G…

Kegiatan peledakan pada PT MTN di pit E Utara bertujuan untuk mengupas lapisan tanah penutup batubara overburden ataupun interburden. Hal ini dilakukan agar mempermudah alat gali muat untuk mengupas lapisan tanah penutup tersebut dalam mencapai target produksi. Kegiatan peledakan yang dilakukan di PT MTN terdiri dari beberapa tahapan, seperti persiapan pengeboran, kegiatan pengeboran, kegiatan …

PERBANDINGAN STRATEGI PEMBIAYAAN EQUITY FINANCING DAN DEBT FINANCING PROYEK T…

The research was conducted on the silica mining project of PT Minevesting Resources Indonesia, which is still at the feasibility study stage, with the main focus on evaluating the optimal financing strategy through a comparison between equity financing and debt financing. The analysis was carried out using a quantitative approach based on projected cash flows with two key parameters, namely Net…

ANALISIS KELURUSAN MORFOLOGI UNTUK IDENTIFIKASI STRUKTUR GEOLOGI DAERAH PARUN…

Penelitian ini bertujuan untuk mengidentifikasi kelurusan (lineament) dan menganalisis pola struktur geologi di wilayah Parungponteng dan sekitarnya, yang terletak di Provinsi Jawa Barat. Studi ini dilakukan dengan pendekatan penginderaan jauh menggunakan data Digital Elevation Model Nasional (DEMNAS) sebagai sumber utama dalam ekstraksi kelurusan. Tahapan awal dalam proses penelitian meliputi …

ANALISIS ALIRAN PERMUKAAN SUNGAI TERHADAP ZONASI KERENTANAN BANJIR PADA SUB D…

Watersheds are areas where rainfall falls and is collected by mountain ridges before flowing through smaller rivers and into the main river. Rainfall that falls directly on the ground separates into flow water, evaporation water, and infiltration water that eventually enters the river as stream discharge. Surface runoff can occur from excessive rainwater falling to the ground. Runoff can occur …

ANALISIS STABILITAS LERENG METODE BISHOP DAN UNCONFINED COMPRESSIVE STRENGTH …

Penelitian yang dilakukan pada Daerah Kisau dan Sekitarnya, OKU Selatan, Sumatera Selatan. Tujuan dilakukan penelitian untuk mengetahui aspek geologi, faktor penyebab longsor, stabilitas lereng dengan nilai faktor keamanan (FK), mengetahui tingkat kerentanan longsor, dan mitigasi pra-bencana longsor. Metode yang digunakan dalam penelitian yaitu metode bishop dan unconfined compressive strength.…

STUDI MIKROFASIES DAN DIAGENESIS BATUAN KARBONAT FORMASI LEDOK DAERAH TAWARAN…

Batupasir Formasi Ledok merupakan batupasir karbonatan yang mengandung foraminifera, sehingga menarik untuk dikaji terkait lingkungan pengendapan dan juga fasies batuannya. Analisis mikrofasies dan diagenesis dilakukan untuk mengetahui lingkungan pengendapan serta proses-proses diagenesis dan tipe mikrofasies. Penelitian dikhususkan pada satuan batupasir karbonatan Formasi Ledok pada daerah Taw…

PETROGENESA ANDESIT FORMASI KIKIM, DAERAH BUMI KAWA DAN SEKITARNYA, KABUPATEN…

Daerah penelitian terletak di Daerah Bumi Kawa Kabupaten Ogan Komering Ulu, Provinsi Sumatera Selatan. Pada daerah penelitian dijumpai struktur batuan beku andesit dan pada analisis petrografi juga ditemui tekstur khusus. Kondisi Geologi tersebut menjadikan daerah penelitian ini menarik untuk dilakukan penelitian lebih lanjut terutama untuk menjelaskan kaitannya dengan keterbentukan batuan beku…

ANALISIS PEMODELAN GEOLOGI TEKNIK DAN MANAJEMEN RISIKO KESTABILAN LERENG DI P…

In arranging mining activities, risk management on slope stability is very important, especially in areas that have a high risk of landslides and work accidents. Risk management includes the identification, analysis, and evaluation of risks as well as decision making to reduce or avoid these risks. The results of the study can be recommendations in the basis for making appropriate risk manageme…

ESTIMASI SUMBERDAYA DAN PEMODELAN GEOMETRI BATUBARA DAERAH PIT 3 TIMUR, BANKO…

The South Sumatra Basin, precisely located in the back arc basin, has formations that contain coal, including the Muara Enim Formation, Airbenakat Formation and Talang Akar Formation. One of them is PT Bukit Asam Tbk, Muara Enim Regency, South Sumatra which has a coal mining site. The method used in this research is the stratigraphic correlation method, where this method can help in knowing the…

ANALISIS KESTABILAN LERENG MENGGUNAKAN LIMIT EQUILIBRIUM METHODS DENGAN PENDE…

Administratively, the research area is located in the PT. Bukit Asam Tbk precisely at PIT ZA, Sirah Pulau Village, East Merapi District, Lahat Regency, South Sumatra Province. This study aims to analyze geological conditions, engineering geology and the value of safety factors and the probability of avalanches in the research area. In addition, this study aims to recommend an ideal slope design…

ANALISIS KUALITAS AIR TANAH UNTUK KEPERLUAN KONSUMSI BERDASARKAN PARAMETER FI…

One of the main needs and aspects that affect human life is water. Water is an important necessity and plays a major role for living creatures in this world. Every region certainly has various water problems, both in terms of quantity and quality of water in that region. Water is divided into two types, namely groundwater and surface water. Research in the Indralaya Mulya area will discuss grou…

THE MAPPING OF GEOLOGICAL STRUCTURES: GEOLOGIAL SOCIETY OF LONDON HANDBOOK

Edition

-

ISBN/ISSN

0-471-93243-4

Collation

168 p. : ill. ; 23 cm

Series Title

-

Call Number

551.8 McC m

KAJIAN SIFAT FISIK TANAH PADA LAHAN GAMBUT TERBAKAR UNTUK TANAMAN NANAS (Anan…

Natural or intact peatlands are important carbon stores because they can sequester large amounts of carbon. An estimated 500-700 Gt of organic carbon globally is stored in peatlands. The physical characteristics of peat that are important in its utilization include moisture content, bulk density (BD), total pore space, soil permeability, soil color, and peat maturity. This research method uses …

ANALISIS STRUKTUR GEOLOGI BAWAH PERMUKAAN MENGGUNAKAN METODE ANOMALI GRAVITAS…

Penelitian dilakukan di Daerah Kayu Ajaran dan sekitarnya, Bengkulu Selatan dengan luas kawasan 9 x 9 Km untuk mendapatkan informasi struktur bawah permukaan menggunakan metode anomali gravitasi. Penelitian bertujuan untuk menganalisis dan merekonstruksi struktur bawah permukaan dan memahami keterkaitannya dengan hasil observasi lapangan. Anomali gravitasi diperoleh dari data Global Gravity Mod…

PEMETAAN GEOHAZARD BANJIR LAHAR DINGIN STUDI KASUS: DAERAH ALIRAN SUNGAI BATA…

The increase in volcanic activity at Mount Marapi, which occurs periodically from January to March 2024, causes a buildup of volcanic material around the crater and on the mountain slopes. Recorded until June 2025 volcanic activity on this mountain occurred several times and experienced eruptions that spewed volcanic material at a radius of 2 - 3 km from the crater of Mount Marapi. This accumul…

KARAKTERISTIK PETROGRAFI BATUPASIR FORMASI TALANG AKAR DAN IMPLIKASINYA TERHA…

Regionally, the Bungin Campang Village area located in Simpang District, South OKU Regency, is located in the Palembang sub-basin, which is an integral part of the South Sumatra Basin. The South Sumatra Basin is a back-arc basin formed in the Tertiary period due to tectonic interaction between the Sunda Shelf, which is part of the Asian continental plate, and the Indian Ocean plate. Geologicall…

ANALISIS SPASIAL ZONA KERAWANAN LONGSOR DENGAN METODE EKSTRAKSI OTOMATIS LINE…

Bencana longsor merupakan ancaman serius di Kabupaten Lahat, Sumatera Selatan, dipicu oleh kondisi geologi, iklim, dan aktivitas manusia, terutama kemiringan lereng curam, curah hujan tinggi, dan kerentanan geologis. Penelitian ini bertujuan memetakan daerah rawan longsor dengan memanfaatkan Sistem Informasi Geografis (SIG) melalui data citra satelit dan peta topografi. Fokus utama adalah ident…

PERENCANAAN SISTEM PENYALIRAN TAMBANG DI PIT SECTION 2, PT. BUDI GEMA GEMPITA…

High rainfall can affect many thing in mining operational activities, therefore an optimal drainage system is needed to handle water from entering the minig area. The aim of this research is to determine the optima drainage system planning process for the research location. Rainfall will be calculated using the Gumbel method, the result of calculation for 10 years is 145.19 mm/day. With a Minin…