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Journals Mining Engineering : Bina Tambang
Published by Universitas Negeri Padang
ISSN : -     EISSN : 23023333     DOI : -
Core Subject : Science,
Earth & Planetary Sciences
Atas dukungan dari jurusan Teknik Pertambangan dengan Penanggung Jawab Dekan Fakultas Teknik UNP (Drs. Ganefri,MPd, P.hd) bekerjasama dengan Ketua Jurusan Teknik Pertambangan (Drs.Bambang Heriyadi,MT) dan seluruh Dosen Jurusan Teknik Pertambangan Fakultas Teknik Universitas Negeri Padang. Jurnal ini terbentuk dan didukung penuh untuk sarana kretifitas Dosen dan Mahasiswa Teknik Pertambangan.
Arjuna Subject : -
Articles 609 Documents
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KAJIAN POTENSI LOGAM TANAH JARANG PADA BATUPASIR FORMASI OMBILIN ATAS DAN FORMASI OMBILIN BAWAH MENGGUNAKAN ANALISIS X-RAY FLUORESCENCE Tryudha Vansla; Harizona Aulia Rahman; Rusli HAR; Fadhilah Fadhilah
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125158

Abstract

Indonesia has an abundance of various types of natural resources, which if properly managed and utilized will have a positive impact in the form of contributing to financing and development for the region and the country. Utilization of natural resources, especially mineral resources, is a promising aspect to be managed in the present and in the future. Along with the need for energy and raw materials which are increasing every year and the existing resources are depleting, efforts are needed to anticipate in order to have other alternatives to the use of resources by conducting an inventory in areas that have potential resources that have not been properly recorded. One of the issues at the time of potential mineral resources in Indonesia is rare earth metal elements. However, no information has been found regarding rare earth metals in the West Sumatra region. This study aims to determine the geological conditions, characteristics and potential of rare earth metals in sandstone units of the upper and lower ombilin formations, West Sumatra. This research was conducted using the XRF (X-Ray Fluorescence) method. The analysis of the XRF method aims to determine the composition of elements and compounds in the sample quickly without damaging the sample. The results of the analysis showed the presence of rare earth metal elements in the study area in the form of Yttrium, Europium and Neodymium. If the levels of rare earth metals are averaged in the study area, there are elements of Europium which contain the most element content of 591.25 ppm, Neodymium of 425 and Yttrium of 292.73 ppm. With this study it is hoped that there will be further development in the observation of rare earth metals in the area around the Ombilin basin by covering a wider scale.Keywords: Sandstone, Rare Earth Metal Elements, Xrf
Analisis Kuantitas Dan Kualitas Udara Pada Sistem Ventilasi Untuk Keamanan Dan Kenyamanan Pengunjung Di Lubang Pendidikan PT. Bukit Asam Tbk. UPO Sawahluwung Talawi Sawahlunto Sumatera Barat Muhammad Abbil Raihan; Bambang Heriyadi; Mulya Gusman; Heri Prabowo
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125026

Abstract

The ventilation system is important in underground mines, because the system flows clean air into the mine. If this system is not done or not as it should be, it will cause insecurity and discomfort in the hole. Lubang Pendidikan is a learning facility that has been provided by PT. Bukit Asam Tbk UPO, visitors can learn how to mine well underground, educational pits using a suction ventilation system and using a 2 x 50 Hp fan machine. So a calculation is needed to find out the number of visitors who can enter in safe and comfortable conditions in the hole. Air quantity and quality are parameters that must be known to determine the number of visitors who can enter the hole, air quantity consists of hole area data and wind speed, while air quality consists of gas content data, wet temperature, dry temperature and relative humidity. The evaluation results obtained the maximum number that can enter in safe and comfortable conditions, namely fan machine A is 25 people, fan machine B is 30 people, and fan machine 2 x 50 Hp is 100 people.
Estimasi Sumberdaya Batubara Dengan Menggunakan Metode Ordinary Kriging di CV. NISKA Dusun Senamat, Kecamatan Pelepat, Kabupaten Bungo, Provinsi Jambi iskandar iskandar; Mulya Gusman
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125138

Abstract

Abstract.  CV. NISKA is a company engaged in mining, especially coal, which has a mining business permit area of around 199 hectares. This company is located in Senamat Hamlet, Pelepat District, Bungo Regency, Jambi Province. CV. NISKA open pit mining system with the Open Pit method, which is a mining method that digs up mineral deposits that exist in a rock that is located at or close to the surface. Therefore it is necessary to estimate the resources in the area. Resource estimation is an estimate or estimation of the amount of resources in a place. Estimation of coal resources is a basic thing that must be done in coal mining activities. One method that can be used in estimating coal resources is the geostatistical method. The geostatistical method is the application of statistical sciences to explain earth science phenomena, especially in the fields of mining and geology. Some of the analyzes performed in estimating coal resources using the ordinary kriging method include univariate statistical analysis, spatial statistical analysis, ordinary kriging block estimation, geological modeling of coal deposits and calculation of coal tonnage. Based on the type of data to be obtained, technical data analysis uses quantitative data, namely by processing data using mining software. Then displays the design form in three dimensions. Based on the analysis and discussion that has been carried out, the research results can be taken, namely the correlation of the original thickness with ordinary kriging has a correlation value of 0.9106, which means that the two variables have a strong relationship. Total tonnage of coal resources in the PT. NISKA is a number of 2,349,750 ton.Keywords: CV.NISKA, Estimation, Kriging .
Pengaruh Total Resistance Terhadap Produktivitas Dump Truck Komatsu HD 785-7 di Area IUP 329 Ha PT. Semen Padang Ade Fikri; Tri Gamela Saldy
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125169

Abstract

PT. Semen Padang is a company that focuses on the cement industry with locations in Indarung, West Sumatra. One of the natural resources needed is limestone as a raw material for making cement. This study conducted a comparative analysis of productivity with fuel consumption used against working hours. The analysis carried out is to look at the effect of productivity on dump truck fuel. The transportation equipment used in this study is the Dump Truck Komatsu HD-785 with the hauling distance from PNBP 6 to Crusher VI of 1.23 km with an average road slope of 11.2% and along with such productivity targets will certainly affect material consumption. fuel, so that with a longer travel time will result in greater fuel use. This research was conducted on the productivity process with the aim of optimizing the productivity of the transportation equipment, obtaining a lower fuel ratio value, and using fuel for the Komatsu HD-785-7 transportation equipment to achieve productivity targets.
RANCANGAN SEQUENCE PENAMBANGAN TAMBANG TERBUKA GUNA MENCAPAI TARGET PRODUKSI TRIWULAN TAHUN 2024 PT PENGEMBANGAN INVESTASI RIAU SITE BATANG PERANAP KABUPATEN INDRAGIRI HULU PROVINSI RIAU Muhammad Rafif Gusvi Rahardi; Dedi Yulhendra
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125028

Abstract

PT. PIR merupakan Badan Usaha Milik Daerah (BUMD) Provinsi Riau yang bergerak dibidang pertambangan batubara. PT. PIR pada tahun 2012 mendapatkan persetujuan Izin Usaha Pertambangan Operasi Produksi (IUP-OP), berdasarkan keputusan Bupati Indragiri Hulu, Nomor 17/IUP/545-02/XII/2012. PT. PIR memiliki IUP-OP seluas 1.750 H dengan luas operasi produksi berjalan sebesar 105,5 H. Untuk memperluas operasi produksi PT. PIR melakukan eksplorasi pada daearah Blok C dengan melakukan pemboran coring sebanyak 50 titik bor dengan jarak antar bor 100 m. Dihasilkan sumberdaya terukur batubara sebesar 5.700.000 ton dan direncanakan mulai produksi pada tahun 2024 dengan jumlah target produksi sebesar 600.000 ton batubara dan 3.600.000 BCM overburden, tetapi belum dilakukan perencanaan penambangan pada daearah Blok C. Sehingga diperlukan perencanaan pada Blok C untuk  mendukung kegiatan produksi pada tahun 2024, Perancangan tambang dimulai dengan menghitung volume overburden dan batubara yang terdapat pada daerah batas penambangan sehingga didapatkan Stripping Ratio (SR)  yang berguna untuk perancangan pit limit, selanjutnya dilakukan sequence design pertiwulan dengan target batubara sebesar 150.000 ton dan overburden sebesar 900.000 BCM sesuai target produksi perusahaan pada tahun 2024, pembuatan sequence penambangan yang dilakukan secara serentak di daerah tertentu dengan ketinggian yang berbeda. Berdasarakan hasil perencanaan pertriwulan didapatkan hasil triwulan I jumlah cadangan batubara yang tertambang sebesar 151.238 ton dan volume overburden 900.468 BCM, triwulan II jumlah cadangan batubara yang tertambang sebesar 152.459 ton dan volume overburden 911.462 BCM, triwulan III jumlah cadangan batubara yang tertambang sebesar 148.817 ton dan volume overburden 894.667 BCM, dan triwulan IV III jumlah cadangan batubara yang tertambang sebesar 148.767 ton dan volume Overburden 929.378 BCM.
Perencanaan Geometri Jalan Hauling Batubara Dari ROM Pit Menuju ROM Port di PT. MNC Infratama Jobsite PT. Bhumi Sriwijaya Perdana Coal Provinsi Sumatera Selatan Alfajriah Alfajriah; Tri Gamela Saldy
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125139

Abstract

Every mining operation requires haul roads as a very important infrastructure facility. The purpose of this research is to plan a haul road and calculate the required road geometry design so that the Hino FM 260 JD dump truck can pass through it. Data collection methods used in this research are literature studies, observation, primary data and secondary data. The location to be studied has a road length of ± 11,2 km. The results of this study with planning a straight road width of 9 m while at a bend of 15 m, the minimum bend radius is 47 m with a turning radius of 8,5 m, the maximum superelevation obtained is 0.04, and a cross slope is obtained with a difference 18 cm high. The planned slope of the road is the maximum slope that can be passed properly by the conveyance. The slope would ideally be 8%. Based on the bend plan, there are 10 bend radii consisting of 5 SCS bends, 1 FC bend and 4 SS bends. In order to support the smoothness and safety of transportation activities, especially on hauling roads, it is necessary to take into account the road supporting factors to achieve these conditions, namely stopping distances and safety berms. On each left and right side of the road a safety embankment will be made with a width of 1.44 m with a height of 0.48 m and a safe/stopping distance for vehicles that is 41.463 m. The load received by the road surface is 16.000 lb/ft2. Therefore, a hauling road pavement is required with the addition of a cover layer with a material carrying capacity of 20.000 lb/ft2 Compact gravel and boulder-gravel formation; very compact sandy gravel.
Perhitungan Geometri Jalan Dan Daya Dukung Tanah Pada Tambang Batubara di PT. Dasrat Sarana Arang Sejati, Parambahan, Desa Batu Tanjung, Kecamatan Talawi, Kota Sawahlunto. Khairanisa Ariya; Yoszi Mingsi Anaperta
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125171

Abstract

 Abstract.  Haul roads are a facility of crucial importance in mining activities, connecting various location points throughout mining, processing, and sales operations.  Optimal and efficient planning is necessary to meet the need for haul roads. Road planning is undertaken to acquire the road geometry required. This includes the bearing capacity of the soil, which is crucial in determining the weight of vehicles that the road can sustain. Therefore, the essential data that is required for the planning process includes the conveyance specifications and the findings from the Dynamic Cone Penetrometer (DCP) test. Based on the executed plan, it was determined that the minimum width required for the haul road is 8.75 m, and 15.14 m at the bend. In addition, the plan's superelevation value is 0.04 (equivalent to 4%), a cross slope of 18 cm, a safety berm of 0.5 m, a bottom width of 1.5 m, and the minimum stopping distance is 19.61 m. Technical term abbreviations are explained upon first use. For the design of pavement thickness on the base layer that has been calculated using the DCP test, it is noted that CBR values not compliant with established standards necessitate backfilling if the result is ≤ 5% and compaction if the result is ≥ 12%, ensuring the planned road meets required standards.
Studi Kelayakan Investasi Pengadaan Loader Dan Hauler Untuk Alternatif Beli Langsung Pada Kegiatan Coal Hauling Dari Rom PIT Ke Rom Port PT. MNC Infrastruktur Utama Jobsite PT. Bhumi Sriwijaya Perdana Coal, Provinsi Sumatera Selatan wahyuzanora wahyuzanora; Tri Gamela Saldy
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125037

Abstract

Abstract.  PT. Bhumi Sriwijaya Perdana Coal (PT. BSPC) is a company engaged in coal mining located in Beji Mulyo Village, Tungkal Jaya District, Musi Banyuasin Regency, South Sumatra Province. PT. BSPC is a company that owns a Mining Business Permit (IUP) with an IUP area of 6.866 Ha, reserves of 39.401.487 tons of coal with a stripping ratio of 1:2.7. PT. BSPC plans to build a hauling road and procure equipment. This study aims to examine the feasibility of investing in the procurement of loaders and haulers, as well as alternative equipment procurement that is profitable for the company.The investment feasibility in the procurement of equipment with direct purchase alternatives using the NPV, IRR and Payback Period. The alternative is to buy directly with an NPV value of IDR 47.549.034.507, an IRR of 51% and a long return on investment of 1,8 years.Based on the sensitivity analysis that the researchers did, it was found that the BEP value for the direct purchase alternative was IDR 33.011.Keywords: Productivity, Loader, Hauler, Match Factor
PREDIKSI FRAGMENTASI PELEDAKAN MENGGUNAKAN METODE KUZ-RAM DAN METODE IMAGE ANALYSIS DI BUKIT KARANG PUTIH PT. SEMEN PADANG Rahma Febriani; Rusli HAR
Journals Mining Engineering : Bina Tambang Vol 8, No 2 (2023): Journals Mining Engineering: Bina Tambang
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v8i2.125146

Abstract

Limestone has massive and hard properties so that for production it is necessary to handle it by breaking up the rock mass. Separation of the rock mass is carried out by drilling and blasting which aims to split the rock according to the size of the rock fragmentation that has been planned. One of the factors for the success of a blasting operation is the size of the resulting rock fragmentation. where, later the size of the resulting fragmentation will affect the removal and disassembly of the blasted material. The company has a fragmentation target of no more than 15% with a size of ± 80 cm. The percentage of boulder from the actual results of blasting is ± 28%, thus disturbing the performance of the loading and unloading equipment to be ineffective and can result in production targets not being achieved. This research aims to determine the percentage size of fragmentation resulting from blasting activities theoretically and using Split Desktop Software. The results of this study are expected to be able to provide information to what extent the success of the blasting carried out by PT. Semen Padang, so that the company can determine the proper blasting geometry to use.The method used in analyzing the results of blasting fragmentation is using the Kuz Ram method and Spilt Desktop Software. The Kuz-Ram method pays close attention to the size of blasted rock fragmentation. In addition, analysis with the Kuz-Ram model is based on rock factor parameters, rock volume and explosives used. To find out the level of rock fragmentation resulting from blasting, you can use the Image Analysis Method, namely Split Desktop Software. Based on the data analysis performed, the percentage of fragmentation calculated using the split desktop software is 74.12% with a boulder percentage of 25.88%. Meanwhile, the prediction of fragmentation resulting from the Kuz-ram model is 71.98% with a boulder percentage of 28.02%
Analisis Kebutuhan Alat Gali Muat dan Alat Gali Angkut pada Kegiatan Penambangan Clay untuk Mencapai Target Produksi 33.000 Ton/Bulan Menggunakan Metode Match Factor di CV Bukit Clay Pasie Laweh, Kec. Lubuk Alung, Kab. Padang Pariaman Sumatera Barat Rahmatul Fajri S.; Rudy Anarta
Journals Mining Engineering : Bina Tambang Vol 10, No 1 (2025): Journals Mining Engineering: Bina Tambang (On Progress)
Publisher : Departemen Teknik Pertambangan FT UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/bt.v9i3.130672

Abstract

CV Bukit Clay merupakan suatu perusahaan di bidang pertambangan clay yang berada di daerah Pasie Laweh, Kecamatan Lubuk Alung, Kabupaten Padang Pariaman, Sumatera Barat. Perusahaan ini menggunakan metode tambang terbuka. Tidak tercapainya target produksi 33.000 ton/bulan hal ini disebabkan oleh beberapa permasalahan seperti rendahnya waktu kerja efektif, tidak diperhatikannya kapasitas produksi dan ketidakserasian kerja antara alat gali muat dan alat angkut. Ketidakselarasan antara alat gali muat dan alat angkut mengakibatkan terjadinya waktu tunggu bagi alat. Berdasarkan penelitian yang dilakukan pada Juni 2024, produktivitas 1 unit excavator Komatsu PC 200 adalah 158,95 ton/jam dan 19 unit dump truck (DT) Hino 300 adalah 127,3 ton/jam. Dari hasil analisis menggunakan metode match factor didapatkan nilai MF = 0,8 sehingga MF < 1, maka menyebabkan alat gali muat menunggu alat angkut. Sehingga diperlukan penambahan alat angkut agar keserasian antara alat gali muat dan alat angkut seimbang dan target produksi tercapai. Setelah dilakukan perbaikan efisiensi kerja agar produksi tercapai, maka diperlukan penambahan alat angkut. Penulis mengasumsikan menambahkan alat angkut menjadi 24 unit agar alat gali muat tidak menunggu. Maka didapat produktivitas excavator adalah 34.600 ton/bulan dan produktivitas 24 unit DT Hino 300 adalah 34.944 ton/jam. Ini menunjukkan sudah tercapainya target produksi clay di CV Bukit Clay sebesar 33.000 ton/bulan.

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