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PROMINE
Published by Universitas Bangka Belitung
ISSN : 23547316     EISSN : 26207737     DOI : -
Core Subject : Science, Social, Engineering,
Earth & Planetary Sciences Engineering Environmental Science
Jurnal ilmiah dengan nama Promine merupakan terbitan berkala ilmiah Jurusan Teknik Pertambangan Universitas Bangka Belitung yang terbit setiap bulan Juni dan Desember dalam setahun yang meliputi bidang Eksplorasi (Geologi dan Geofisika), Geoteknik/Geomekanika, Pengolahan Minerba, Reklamasi, dan Pasca Tambang.
Arjuna Subject : -
Articles 130 Documents
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Peningkatan Kompetensi Masyarakat Lokal dalam Pemanfaatan Endapan Tras Di Daerah Nagreg Kendan, Kabupaten Bandung, Jawa Barat Sri Widayati; Dudi nasrudin Usman; Sriyanti Sriyanti; HimawaN Nuryahya; Ike J. Triwardhani
PROMINE Vol 7 No 2 (2019): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v7i2.1644

Abstract

Competency enhancement in trass utilization was given to local communities of Nagreg Kendan,Bandung, West Java. This activity was intended to explore the potential of local cummunity indeveloping trass deposit utilization for local economy. This activity is expected to providerecommendation and encouragement for local community to develop entrepreneurship in utilizing andmanaging mineral resources potential. This activity was divided into several parts, they are pre-test,counseling and discussion about trass utilization, and also post-test to evaluate local community’sbasic knowledge. Local community shows good knowledge and enthusiasm of local community indeveloping local economy through trass utilization.
Analisis Kestabilan Lereng Berdasarkan Kekuatan Geser Massa Batuan Terhadap Perubahan Kandungan Air Pada Tambang Batubara Di Area Blok Menyango Novandri Kusuma Wardana
PROMINE Vol 7 No 2 (2019): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v7i2.1645

Abstract

Mining activities is commonly to work with the problem of stability of rock mass, then befordesaining mine’s slope should know rock shear strength parameters, such as cohesion (c) andinternal friction angle value ( . Beside those parameters, also needed to know the impact ofwater content to the rocks. The water content will effect rock’s shear strength, proof by the rockcondition which is ductile when it is dry and soft when it is wet. Based on test results was doneusing sandstone with laboratory scale of direct shear test were analyzed using mohr – coulomband patton criteria (1966). It is known that the cohesion (c) of sandstone decreased from 510,35kPa at natural condition down to 133,75 kPa at wet condition. The internal friction angle ( ) alsodecreased from 54,56° at natural condition down to 48,45° at wet condition. The reduction of theshear strength is caused by fragments and clay minerals characteristics which are so reactiveand very easy to absorb water so that the cohesion of the sandstone reduce the active normalstress so that working the shear stress required to cause the shear failure becomeweaker. From the results, it is also known that the shear surface roughness had a lot ofinfluence on the shear strength the normal stresses applied on the direct shear tests werevery low under 20% of UCS.
Analisa Kandungan Merkuri (Hg) Di Wilayah Penambangan Emas Danau Payawan Desa Tumbang Panggo Kecamatan Tasik Payawan Kabupaten Katingan Fahrul Indrajaya; Lisa Virgiyanti
PROMINE Vol 7 No 2 (2019): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v7i2.1646

Abstract

Field activities conducted to determine the level of mercury content in the water flow of Lake Payawan,Tumbang Panggo Village, Tasik Payawan District, Katingan Regency, Central Kalimantan Provincebased on laboratory test results to obtain the results of mercury content in upstream to downstream ofLake Payawan. From this research, it is necessary to test the quality of water in the laboratory in orderto analyze the water quality parameters so it can be known mercury content (Hg) in Lake Payawanwater flow. From the test results on 6 points river water samples in the laboratory of the IndustrialResearch and Standardization Center of Banjarbaru City showed the highest mercury content found insample number 3 with P. 2076 test code taken at the location of the middle Lake Payawan TasikPayawan District with mercury levels located At a rate of 0.069 μg / l or 0.000069 mg / l, this reflectsthe presence of other factors that may also affect the level of mercury content in Lake Payawan flow.
Penilaian Keberhasilan Reklamasi Pada Pit Serujan Utara PT. IMK Kabupaten Murung Raya Fahrul Indrajaya; Marlen Fince T. L.; Neny Fidayanti; Yossa Yonathan Hutajulu
PROMINE Vol 8 No 1 (2020): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v8i1.1793

Abstract

PT. IMK is located in Murung Raya Regency, Central Kalimantan Province, which is engaged in gold and silver mining with an area of 47.940 hectares contract. The purpose of this study is to assess the reclamation activities that have been done in the Serujan Pit. The implementation of reclamation in PT. IMK begins with the stage based on the decree of the Minister of Energy and Mineral Resources Number : 1827 K/30/MEM/2018 on the guidelines of good mining engineering regulations. The parameters used in assessing the success of reclamation are land utilization, revegetation, and finishing. The results of the success criteria derive the score value and the weights used as the basis of the assessment. Based on the results of the reclamation assessment obtained by the total value of 93.33%, with a good category (reclamation results are acceptable).
Kajian Teknis Dewatering System Tambang Pada Pertambangan Batubara A.A Inung Arie Adnyano; Muhammad Bagaskoro
PROMINE Vol 8 No 1 (2020): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v8i1.1794

Abstract

Coal mining by PT. Tambang Bukit Tambi uses an open pit mining system where one of the factors that can affect mining is water that entering the mining area, so water control must be carried out, one of the ways is by using mine dewatering system. The purpose of this study is 1) To know the debit of water entering the mining area. 2) To design a pumping plan 3) To create an ideal sump design for handling water that entering the mining area. Based on the research, the daily discharge is 32,243.36 m3 / day where the water discharge that can be released by 2 Kenflo XA 125 / 40B pumps is 640 m3 / hour in 50.38 hours and the water control effort is made a sump that must accommodate water amounting to 19,427.26 m3 and after the calculation is obtained a trapezoid-shaped sump design with size length and surface width of 63.7 m, length and width of the base of the sum of 60.9 m and depth of 5 meters.
Analysis Between CBR, Rolling Resistance and Soils Bearing Capacity with Dump Truck Velocity in Mine Hauling Road Use Linear Regression Methods Yazid Fanani
PROMINE Vol 8 No 1 (2020): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v8i1.1798

Abstract

The main effect of hauling using dump trucks are effected by haul road, machine condition, and weather. The purpose of this research to analyze the connection between CBR, rolling resistance and soils bearing capacity with dump truck velocity use linear regression methods by mathematical model approach. Dump truck velocity as dependent variable (Y). CBR, rolling resistance and soils bearing capacity as the independent variable (X). Based on this research, rolling resistance has a negative effect to dump truck velocity. Dump truck velocity decrease 0,13 – 0,14 km/h by 10 lbs increase of rolling resistance. CBR dan soils bearing capacity have a positive effect to dump truck velocity. Increase 5 % of CBR and 0,34 kg/cm2 soils bearing capacity can increase dump truck velocity 0,48 – 0,66 km/h. To increase dump truck velocity, the minimum CBR value on the haul road is 15 % and soils bearing capacity 6,79 kg/cm2 with a maximum rolling resistance value of 40 lbs.
Studi Awal Prospek Bahan Tambang Berdasarkan Sebaran Alterasi Hidrotermal Menggunakan Komposit dan Density Slicing Citra Landsat 8 di Kabupaten Ulubongka, Sulawesi Tengah I Gede Boy Darmawan; M. Farhan Yassar; Annisa Yulia Elvarani; Berlian Anisya Vira; Ledia Damayanti
PROMINE Vol 8 No 1 (2020): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v8i1.1799

Abstract

Difficult access to the field in Central Sulawesi causes the process of identifying prospects for mining minerals requires a relatively large time and cost. Therefore, the remote sensing approach can be carried out as a preliminary study to determine the distribution of hydrothermal alterations that characterize the presence of mine minerals. This study utilizes Landsat 8 imagery to obtain the distribution of alteration minerals, especially the group of ferrous mineral oxide and hydroxide minerals, clay and carbonate minerals and Ferromagnesian minerals. The method used is composite (RGB) 4/2, 6/7, 5 and 4/2, 6/7, 10 to detect the distribution of alteration minerals. Whereas the Density Slicing method uses 4/2, 5/6 and 6/7 ratio images to detect Ferrugitation, Ferromagnesian, clay and carbonate minerals. The results of the analysis showed the distribution of iron oxide and hydroxide minerals (Ferrugination) dominated the area in alluvium and opiolite rocks. This alteration distribution is interpreted as a prospect of further studies of the presence of mining minerals such as nickel and iron. Whereas ferromagnesian minerals, clays and carbonates dominate in conglomerate and limestone rocks.
Pemanfaatan Lubang Bekas Tambang Sebagai Danau Pascatambang di PT Kasongan Bumi Kencana Kabupaten Katingan Provinsi Kalimantan Tengah I Putu Putrawiyanta
PROMINE Vol 8 No 1 (2020): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v8i1.1801

Abstract

Open pit mining will create a change in the environment and leave a former mine (void). A void that is left at the end of mining activities without any utilization planning could potentially cause an unwanted impact on the environment. The final hue of the mines in this study is limited to land allocation, and surface water quality. The research aims to assess the use of a former mine (void) for sustainable development. The results of this research show that the former mine (void) could potentially contribute to sustainable development. The community empowerment Program around the mine in utilizing the former mine holes is crucial for the continuity of the local economic drive. The quality of mine wastewater released to water or river bodies and the quality of surface water in a former mine (void) becomes a representation of the danger of the use of water for human health.
Pendekatan Semivariogram Anisotropik dalam Metode Ordinary Kriging (OK) terhadap Pola Penyebaran Mineral Ikutan Timah Ririn Amelia; Guskarnali Guskarnali
PROMINE Vol 8 No 1 (2020): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v8i1.1828

Abstract

Unconventional mining is still the choice of the people of Bangka Island. One of the locations on the Bangka islands that still conduct tin mining activities on a small scale or community scale is Sambung Giri Hill, Merawang District, Bangka Regency. Based on understanding distribution patterns of the mineral will provide a general description that can prevent and minimize damage caused by mining activities. Interpolation of Tin (Sn), zircon (Zn) and hematite (Fe2O3) using anisotropic semivariogram in the Ordinary Kriging method uses the distribution pattern of each of these minerals. In this method uses the best anisotropic semivariogram model of each mineral. Models that are more suitable for hematite and zircon minerals are exponential, whereas tin uses the Gaussian model. Based on the results of the Ordinary Kriging method, the mineral distribution pattern was obtained in accordance with the east direction around the Sambung Giri Hill. The estimated pattern of mineral distribution, provides a general description that can minimize environmental damage due to mining activities in Sambung Giri Hill.
Kinerja Unit Crushing Plant dalam Pengolahan Batuan Andesit Di Pt Bukit Asam, Tbk. Tanjung Enim, Sumatera Meutia Diani Amdi; Mukiat S; Yunita Bayu Ningsih
PROMINE Vol 8 No 2 (2020): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v8i2.1986

Abstract

Meningkatnya pembangunan di kota Palembang beberapa tahun belakangan, membuat kebutuhan material konstruksi juga meningkat. Adanya andesit di daerah Tanjung Enim, seharusnya bisa menjadi pemasok batu split untuk daerah Palembang. Agar beton yang dihasilkan memiliki kualitas baik, ukuran batu split harus mengacu pada standar industri Indonesia. Untuk memenuhi standar tersebut, batu andesit hasil penambangan perlu diolah dan mengalami proses reduksi ukuran kemudian dianalisis agar memenuhi standar. Ukuran produk hasil pengolahan berkorelasi dengan kinerja unit crushing plant. Penelitian ini bertujuan untuk mengetahui pengolahan batu andesit serta menganalisis produktivitas crushing plant dan menganalisis kualitas hasil pengolahan. Penelitian dilakukan dengan mengamati kinerja unit crushing plant serta dilakukan analisis uji ayakan untuk mendapatkan nilai modulus kehalusan. Kemudian membandingkan nilai modulus kehalusan yang diperoleh dengan standar indonesia yang berkisar antara 6-7,10. Dari hasil penelitian diketahui produktivitas aktual unit crushing plant sebesar 142,1685 ton/jam dengan nilai ketersediaan alat kurang dari 64%. Berdasarkan uji analisis ayakan, didapatkan nilai modulus kehalusan sebesar 7,66 dan belum memenuhi standar industri Indonesia. Hasil dari pemecahan sangat beragam sehingga pada pengolahan batu andesit diperlukan unit secondary crusher.

Page 9 of 13 | Total Record : 130

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