KAJIAN KEKUATAN TARIK DAN STRUKTUR MIKRO FILAMEN 3D PRINTING POLYETHYLENE TER…

The development of manufacturing technology through 3D printing methods, such as Fused Deposition Modeling (FDM), has revolutionized the industrial paradigm with advantages in efficiency, design flexibility, and production speed. This technology enables the creation of three-dimensional objects with high precision, opening up new opportunities in various industries. Polyethylene terephthalate (…

EVALUASI KONDISI AKTUAL TERHADAP RENCANA SEKUEN PENAMBANGAN BATUBARA DI PIT M…

PT. Bukit Asam Tbk adalah salah satu perusahaan tambang di Indonesia yang beroperasi dalam bidang penambangan dan penjualan batubara. Kegiatan penambangan batubara di PT Bukit Asam Tbk direncanakan dalam sekuen penambangan bulanan. Kondisi aktual di lapangan menunjukkan terjadi ketidaksesuaian dan ketidaktercapaian terhadap rencana sekuen penambangan. Tujuan penelitian ini adalah untuk mengetah…

OPTIMASI KINERJA POMPA ARTIFICIAL LIFT HYDRAULIC PUMPING UNIT (HPU) PADA SUMU…

Penurunan tekanan reservoir pada sumur minyak menyebabkan laju produksi menurun hingga tidak mampu lagi mengalir secara alami. Kondisi ini menuntut penerapan metode artificial lift untuk mempertahankan keberlangsungan produksi. Salah satu teknologi yang digunakan adalah Hydraulic Pumping Unit (HPU), yang memiliki keunggulan fleksibilitas pemasangan dan kemampuan meningkatkan produksi pada sumur…

EVALUASI AVAILABILITY AND UTILIZATION PERALATAN PEMUATAN OVERBURDEN PADA BULA…

Excavators are one of the main loading equipment used in overburden mining activities. The effectiveness of excavator operations is influenced by the level of Physical Availability (PA), with a minimum standard of 90% according to KEPMEN ESDM No. 1827 K/30/MEM/2018. However, in practice, this standard is often not achieved. This study was conducted at Pit LS, PT Tata Bara Utama, in February 202…

ANALISIS BIAYA RENCANA REKLAMASI PERHEKTAR DI PT GENTALA BUMI NUSANTARA JOB S…

Based on the Decree of the Minister of Energy and Mineral Resources of the Republic of Indonesia Number 1827 K/30 / MEM / 2018 concerning Guidelines for the Implementation of Reclamation and Post-mining and Post-operation in Mineral and Coal Mining Business Activities requires mining companies to carry out reclamation and post-mining activities on the mining area being cultivated, as a guarante…

ANALISIS GEOMETRI STOCKPILE DALAM UPAYA PENCEGAHAN DAN PENANGANAN POTENSI TER…

PT. Batu Hitam Jaya is a coal mining company operating in Batanghari Regency, Jambi Province. This research aims to analyze the influence of stockpile geometry on the potential for spontaneous combustion of coal in the company's storage area. The research methods include measuring pile dimensions such as height, slope angle, and pile shape, internal pile temperature, wind direction and speed, a…

PERENCANAAN DESAIN LERENG TIMBUNAN PADA DESAIN LIFE OF MINE (LOM) DI PIT X PT…

PT Bukit Asam Tbk, Ombilin Mining Unit, plans to resume mining activities in the Langkok area, Sawahlunto, West Sumatra. At the mine development stage, it is necessary to prepare a safe and efficient slope dump design as part of the Life of Mine (LOM) plan. A single-slope simulation was carried out to analyze slope geometry under the safest and most optimal conditions based on the calculated Sa…

KAJIAN AWAL GEOTEKNIK UNTUK REKOMENDASI RANCANGAN GEOMETRI LERENG PIT DI PT G…

PT Bakti Nugraha Yuda is an energy and coal mining company whose production operations operate in Ogan Komering Ulu Regency, South Sumatra Province. The mining activity plan will be carried out using the strip mine method. The angle of the slope is planned to have a depth of 65 meters. The slope in the mining activity has the potential to be deformed which can cause landslides if the slope geom…

OPTIMASI RANCANGAN DESAIN PIT BERDASARKAN BATAS WILAYAH KERJA DENGAN MEMPERHI…

Pit design optimization is a crucial stage in mining operations as it determines the final pit limit that is technically and economically optimal. This study was conducted at PT Ulima Nitra, Tbk., Wiraduta Sejahtera Langgeng Site, Pit Block 2 DUE, Muara Enim, South Sumatra. The aim of this research is to design an optimized pit by considering the mining boundary and coal contract price to maxim…

ANALISIS STABILITAS LERENG HIGHWALL DENGAN METODE SPENCER DI PIT KUNGKILAN UT…

Slope stability is a crucial aspect that must be addressed to ensure the operational safety and sustainability of a mining project. A landslide that occurred in mid-2024 at Pit Kungkilan Utara of PT Bumi Merapi Energi caused significant negative impacts, such as operational disruption and increased safety risks for workers. As a preventive measure, a slope analysis was conducted on the pit adja…

ANALISIS GEOMETRI PELEDAKAN UNTUK MENDAPATKAN HASIL FRAGMENTASI DAN DIGGING T…

PT Semen Padang (Persero) is one of the cement producers in Indonesia and the oldest cement company in the country. The rock fragmentation process in the mining activities is carried out through drilling and blasting methods, conducted by the blasting service of PT Dahana (Persero). The main problem encountered in the field is the inconsistency of fragmentation results, where several blasting o…

PERENCANAAN SEKUEN DAN PENJADWALAN PENAMBANGAN PADA TAHUN 2027 DI PIT UTARA P…

Mine Planning is an essential stage to optimize coal reserve and ensure efficient, well-directed and sustainable mining operations. This research was conducted at PT Merapi Energy Coal, Merapi Barat, Lahat District, South Sumatera, with objective of determining the requirements of loading and hauling equipment, designing a mining sequence, and preparing a production schedule in 2027. The analys…

PEMODELAN PENYEBARAN MATERIAL PAF DAN NAF, SERTA PREDIKSI PEMBENTUKAN AIR ASA…

Material hasil penggalian dari PT. Bukit Asam PIT 2 di Banko Barat menunjukkan adanya keterdapatan lapisan potensi asam dengan litologi batu lempung. Untuk mengatasi keterbentukan air asam tambang yang tidak terkendali, maka perlu dilakukan upaya prediksi serta pencegahan berupa identifikasi material potensi sumber keasaman atau Potential Acid Forming (PAF) dan material yang tidak berpotensi me…

PERAN PARA PEMODAL PENAMBANG MINYAK ARTISANAL DI DESA SUNGAI ANGIT KABUPATEN …

Penelitian ini bertujuan untuk mengetahui bagaimana peran para pemodal dalam kegiatan penambangan minyak artisanal di Desa Sungai Angit, Kecamatan Babat Toman, Kabupaten Musi Banyuasin. Penelitian ini menggunakan pendekatan kualitatif dengan metode studi kasus. Data dikumpulkan melalui wawancara mendalam terhadap informan utama, yaitu para pemodal yang terdiri dari tiga kategori: pemodal uang (…

EFEKTIVITAS PENGGUNAAN SATU UNIT ALAT BOR SANDVIK UNTUK OPTIMASI PENYEDIAAN L…

Penelitian ini dilaksanakan di PT Bukit Asam Tbk, sebuah perusahaan pertambangan batu bara yang beroperasi di wilayah Kabupaten Muara Enim, Provinsi Sumatera Selatan. Dalam menjalankan kegiatan produksinya, perusahaan ini menerapkan sistem tambang terbuka dengan metode penambangan open pit. Salah satu tahap krusial dalam proses penambangan batu bara adalah kegiatan pemberaian material lapisan p…

ANALISIS SENSITIVITAS KELAYAKAN PROYEK TAMBANG SILIKA PADA PT MINEVESTING RES…

The research was conducted on the PT Minevesting Resources Indonesia silica mining project, which is still in the feasibility study stage. To ensure the economic feasibility of developing the mine, a comprehensive study of the project's financial aspects and sensitivity was conducted. The indicators used included Net Present Value (NPV), Internal Rate of Return (IRR), and Payback Period (PBP). …

TECHNICAL PLANNING FOR COAL MINING SEQUENCE IN 2024 WITH CONSTRAINT OF GEOTEC…

PT XYZ targets 4,243,000 bcm of overburden and 1,150,000 tons of coal in 2024. The actual mining process in the first quarter was carried out and obtained overburden production of 577,698 bcm and 136,079 tons of coal which were under the company's first-quarter plan due to geotechnical problems and the presence of issues regarding disputed land. A mine plan is carried out by calculating the uni…

EVALUASI KONDISI JALAN TAMBANG DALAM MENUNJANG PRODUKTIVITAS ALAT ANGKUT BATU…

PT Bhumi Sriwijaya Perdana Coal is one of the mining companies engaged in the coal industry, located in Beji Mulyo Village, Tungkal jaya district, Musi Banyuasin Regency, South Sumatera Province. In Januari 2024, the coal production target at PT Bhumi Sriwijaya Perdana Coal was 100.000 tons/month, but the realization only reached 71,314 ton/month. One of the fators causing the non-achievement o…

ANALISIS PENGARUH VARIASI IN HOLE DELAY TERHADAP DAMPAK GROUND VIBRATION DALA…

PT Dahana (Persero), as a blasting service contractor in the limestone mining area of PT Semen Baturaja Tbk, faces operational challenges due to the proximity of the mining site to residential areas. This condition requires strict control of environmental impacts, particularly ground vibration, to comply with the SNI 7571:2023 standard. This study aims to analyze the effect of in-hole delay var…

OPTIMASI PIT PENAMBANGAN NIKEL LATERIT PADA HILL LBS-02 BLOK WEST SOROWAKO PT…

PT Vale Indonesia Tbk merupakan perusahaan pertambangan yang bergerak dalam kegiatan eksplorasi, ekstraksi, dan penambangan komoditas mineral nikel. Salah satu hill yang terlibat dalam operasi penambangan adalah pit LBS-02 yang terletak di Blok West Sorowako, Kabupaten Luwu Timur, Sulawesi Selatan. Berdasarkan data resmi yang didapatkan dari PT Vale Indonesia Tbk, di dalam 10 tahun terakhir pro…

PENGARUH PENAMBANGAN BATUBARA RAKYAT TERHADAP KUALITAS AIR ANAK SUNGAI ENIM, …

Coal mining owned by the community is one of the coal mining activities carried out by local communities on a small scale and in mutual cooperation as a form of livelihood. This community mining sometimes does not meet standards in environmental aspects, so it is destructive to nature and causes disruption of the balance between the environment and natural resource management. These exploitatio…

ANALISIS KESTABILAN LERENG LOWWALL DENGAN MENGGUNAKAN METODE ORDINARY/FELLENI…

Open-pit mining requires safe slope designs, as instability can lead to failures such as the landslide that occurred at the lowwall of Pit 1 North Block at PT Ulima Nitra Tbk. Variations in lithology and increases in groundwater saturation heighten the risk of slope failure, necessitating a comprehensive technical assessment. This study aims to analyze geotechnical parameters, determine the act…

ANALISIS PERENCANAAN TEKNIS SEQUENCE DESAIN PIT 2 BANKO BARAT DALAM MENCAPAI …

PT. Bukit Asam, Tbk. merupakan perusahaan BUMN yang berkecimpung di sektor pertambangan batubara di Tanjung Enim, Sumatera Selatan. Perusahaan ini memiliki Izin Usaha Pertambangan (IUP) dengan luas area mencapai 40.347 hektar. Penelitian ini dilakukan dengan menganalisis serta mengumpulkan data lapangan yang aktual. Pengumpulan data lapangan melibatkan evaluasi cycle time untuk shovel PC 3000 d…

PERENCANAAN TEKNIS SEQUENCE PENAMBANGAN BATUBARA DAN OVERBURDEN KUARTAL II TA…

PT Bahana Selaras Alam adalah perusahaan konsultan pertambangan dan perusahaan jasa pertambangan terintegrasi yang berbasis di Indonesia. Dengan luas area kerja 68.85 ha, perusahaan ini menargetkan produksi sebesar 626.072,32 ton batubara dan 1.233.996,49 pada tahun 2024. Maka dari itu diperlukan adanya perencanaan dan redesign pit, kapasitas disposal, dan banyaknya unit yang dibutuhkan agar ta…

ANALISIS PENGGUNAAN BAHAN PELEDAK DAYAGEL PADA PELEDAKAN BATU KAPUR UNTUK MEN…

Fragmentation is one of the indicators that a rock blasting process must have to achieve good blasting success. In this case, the size of fragmentation produced has an impact on the excavation and loading procedures of rock blasting. To ensure that the blasting process can run in accordance with the function and meet the standard results, this research adjusts the berat of the existing Dayagel …

PERENCANAAN PENIMBUNAN AREA DISPOSAL UNTUK PERSIAPAN REKLAMASI DI PIT 5 PT BA…

Selktor pelrtambangan di Indonelsia belrkelmbang pelsat karelna pelrkelmbangan nelgara yang pelsat. Dampak lingkungan nelgatif industri pelrtambangan harus dikurangi mellalui relklamasi dan pascatambang. PT. Baturona Adimulya selbagai salah satu industri pelrtambangan harus mellakukan kelgiatan relklamasi dan pascatambang. Permasalahan pascatambang yang timbul di Pit 5 PT. Baturona Adimulya ter…

EVALUASI DIMENSI SUMP DAN KAPASITAS POMPA PADA SISTEM PENYALIRAN TAMBANG TERB…

PT. Tata Bara Utama merupakan perusahaan yang bergerak di bidang kontraktor pertambangan batubara di wilayah Kabupaten Musi Banyuasin, Provinsi Sumatera Selatan. Perusahaan ini menggunakan metode tambang terbuka di mana seluruh kegiatan operasi dilakukan dengan membuat lubang bukaan tambang yang berhubungan langsung dengan udara dan sinar matahari. Pada pit fase 2 kolam penampungan (sump) belum…

KARAKTERISASI MINERAL MAGNETIT (FE) DARI NIKEL RED LIMONIT PT ANTAM UBPN MALU…

Edition

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ISBN/ISSN

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Collation

xvi, 51 hlm.; ilus.; tab, 29 cm

Series Title

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Call Number

T1873862025

EVALUASI KINERJA POMPA SISTEM PENYALIRAN TAMBANG BATUBARA DI PIT ALAM 1-3 PT …

Edition

-

ISBN/ISSN

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Collation

xvi, 51 hlm.; ilus.; tab, 29 cm

Series Title

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Call Number

T1874392025

ANALISIS MONITORING LERENG MENGGUNAKAN SLOPE STABILITY RADAR PADA PIT E BARAT…

Slope stability is a persistent geotechnical challenge in the mining industry, necessitating meticulous planning in the design of mine slopes. Even after a slope design is confirmed as safe, continuous monitoring is essential, as initially stable slopes can become unstable due to slope movements, ultimately leading to failure. Currently, one of the most advanced and accurate slope monitoring me…