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INDONESIA
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.
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Articles 46 Documents
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Search results for , issue "Vol 3, No 4 (2018): JURNAL BINA TAMBANG" : 46 Documents clear
Estimasi Sumberdaya Batubara Menggunakan Metode Penampang dan Geostatistik Pada Area DDU Blok Timur Site Sungai Cuka, Kecamatan Kintap, Kabupaten Tanah Laut, Provinsi Kalimantan Selatan Byma Bryanco; Dedi Yulhendra; Adree Octova
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

Abstract. PT. Britmindo is one of mining consultant company, and the centre office in Ragunan, South Jakarta. As aconsultant PT. Britmindo have a client is PT. Indoasia Cemerlang located in Sungai Cuka, Kintap, Region Tanah Laut, Province South Kalimantan. PT. Indoasia Cemerlang do exploration of coal in DDU Area East Block event have 27 bor hole. In this located didn’t do estimation coal of resources. And after do that can be know totality of tonnges and modle. Resources estimation is using two methods; there are ordinary kriging method and cross section method. Ordinary kriging method used if the thickness is unknown, and then to estimate the thickness number from an unknown block vertically or horizontally. The estimation result by using kriging method will configure modl from sediment and the total tonnage of coal.In located of research have 1 seam and that is seam A with split is A, A1, and A2. And total Estimation in cross section method in seam A is 60.979 tons coal tonnage, seam A1 is 21.236 tons coal tonnage, and seam A2 is 37.159 tons coal tonnage. With overburden from topo-top seam A is 77.103 bcm/tonne and interburden seam A2 is 48.414 bcm/tonne. Meanwhile in ordinary kriging method has a total tonnages in seam A is 499.590 tons coal tonnage, seam A1 is 244.530 tons coal tonnage, and seam A2 is 204.750 tons coal tonnage. And from this calculation we have length, volume and tonnages of coal.Keywords: coal, cross section, ordinary kriging, block model, resources
Analisis dan Rancangan Pola Peledakan pada Lapisan Interburden K37 – K39untuk Mendapatkan Fragmentasi yang Sesuai dengan Alat Muat di PT. Asmin Koalindo Tuhup, Kalimantan Tengah Suhendrinal Suhendrinal; Raimon Kopa
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

Abstract.PT. Asmin Koalindo Tuhup is one of the industries engaged in coal mining, which is located in the Central Kalimantan region. Karaketeristik of cover rock in the area pit 7 and pit 8 interburden K37 and K39 with a thickness of 27 meters with different layers of mudstone material, siltstone and sandstone. The average thickness of the siltstone material is 3-5 meters and its position is in the upper layer which will be used as a stemming column during blasting. So that it is very influential on the results of blasting later, so it is necessary to do a blasting design to minimize the impact due to the condition of the layer. In the first actual blasting, >1 meter fragmentation value 31.69%, actual blasting of second fragmentation values ≥ 1 meter 26.8% and actual blasting of the third fragmentation value ≥ 1 meter 17.9%. Of the three results of the blasting it was not in accordance with the results of targeted fragmentation (≤ 15%). To minimize the results of the test, the geometry of the blasting is carried out. Based on the results of the study obtained the results of analysis and improvement on the proposed blasting pattern obtained mentasi 1 meter fragmentation using the calculation of wipfrag 0 software from the three proposals. The percentage of boulder ≤ 60 cm based on Kuzram has been below the target of 15% with a value of 6.57%, 6.45% and 6.16%. The digging time value has been below the company's target of 12 seconds, with a value of 10.21 seconds, 9.42 seconds and 10.45 seconds from the performance of the Liebherr R 9250 excavator excavator.Keywords:blasting, fragmentation, design, boulder, coal
Evaluasi Pengaruh Geometri Jalan Angkut Terhadap Produktivitas Dump Truck Mitsubishi Fuso 220 PS dari Front Penambangan Menuju Unit Crusher pada Penambangan Batu Andesit PT Koto Alam Sejahtera Fadhilah Maharani; Sumarya Sumarya
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

Abstract. PT Koto Alam Sejahtera located in Nagari Koto Alam, Pangkalan Koto Baru Subdistrict, Lima Puluh Kota District, West Sumatra Province. The production target of    PT Koto Alam Sejahtera is 30.000 tons / month, meanwhile the actual production is 16.965,6 tons / month. Based on observations, the road grade is still high, no cross slope is visible and two conveyances cant’t pass at the same time because the width on the road is narrow.This type of research is applied research by combining theory and field data to solve problems. The actual road width ranged is from 6,35-12,15 meters while theoretically is 9 meters. The actual bend road width ranges is from 6,20-12,70 meters while theoretically is 12 meters. Actual road grades range from 3,49%-19,44% while the ideal road grade is 8%. The cross slope value for the 9 meter road width is 0,04 and the height difference is 18 cm. The superelevation value for the 12 meter bend width is 0,04 and the height difference is 48 cm.There were 7 straight road width segments that needed to be added and 2 bend road width segments, and there are 8 segments that need to be downgraded. Productivity of Mitsubishi Fuso 220 PS with actual conditions of 16.965,6 tons / month. The estimated increase in the productivity of Mitsubishi Fuso 220 PS after an evaluation is 27.593,89. Theoretical productivity of Mitsubishi Fuso 220 PS after the improvement of work efficiency is 34.395,3 tons / month.Keywords:  Road Geometry, Production, Dump Truck, Work Efficiency, Cross Slope
Analisis Kestabilan Lubang Bukaan Dengan Menggunakan Data Dari Alat Ukur Flat Jack Pada Dinding Tambang Bawah Tanah PT. Nusa Alam Lestari, Sawahlunto Muhammad Nazri; Muhammad Giatman
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

Abstract. The geomechanical aspect is one of the important aspects that must be considered to maintain the stability of the opening hole. Other aspects that must be considered are geology, hydrogeology and technical regarding buffer. Geomechanics monitoring in underground mines includes: insitu stress measurement, rock deformation monitoring, and rock mass weighting. There are many insitu stress measurements including: overcoring techniques, hydraulic fracturing techniques, and Flat Jack methods.There are several thing to do, such as determining the testing point, making a hole for the Flat position (test point), and checking the deformation that occurs at the test point. Then get the rock stress value using the calculation of gravity. Before calculating gravitational stress it is necessary to take some data. Next to get the value of rock compressive strength, the sample was tested in the laboratory using a point load index.Based on the test of the flat jack, the calculation of gravity, and the results of testing the sample is not greater in value than the sample testing, which means that the condition is able to withstand the voltage acting on the study site.Kata kunci :Flat jack, Geotechnical, Rock stress, Gravitational force calculation, Underground mine
Kajian Teknis Penyangga Baja Three Piece Sets dan Five Piece Sets Pada Lubang Bukaan Tambang Batubara Bawah Tanah Pit Central Barat Di PT. Allied Indo Coal Jaya Redy Pratama; Raimon Kopa
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

Abstract. Underground mining require system, design, and mine support capacity planning. The purpose of this research is to study technical part of the use of three piece and five piece steel support at Central Barat PIT underground mine in PT. Allied Indo Coal Jaya. The idea is comparing maximum moment of three pieces structured i-beam with five pieces structured support which almost has arches shape in the same area in the underground mine. This research method is quantitative, which mean getting numeric data, calculating load that apply on mine support, calculating mass of potential rock fall using appropriate empiric equation approach to measure the load that apply on these underground mine support. The research result shows that maximum moment on three pieces bar (BC) = 17.25 kN m and five pieces bar (CD) =      3.99 kN m. Five piece support take less moment compared to three pieces support, due to smaller surface and it distribute the load to each bar. At the same area, five pieces use smaller steel size 80 mm x 42 mm and 5,94 kg/m compared to three pieces with 140 mm x 66 mm and 14,37 kg/m size of steel. This cause the cost for steel use for five pieces support is more economical than three pieces supportKey words;  steel support, underground mine, three piece, five piece, and maximum moment
Analisis Kesetabilan Lereng Studi Kasus Area Tambang Rakyat di Bukit Tui S0°28'43.15" E100°24'16.24"-S0°28'43.15" E100°24'15.28" Kecamatan Padang Panjang Barat Kabupaten Padang Panjang Helky Sandra; Yoszi Mingsi Anaperta
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract. Tui Hill is a limestone hill lined south of Padang Panjang, located between Rao-Rao Village to Tanah Hitam. The results of research at Tui Hill at the location S0 ° 28'43.15 "E100 ° 24'16.24" - S0 ° 28'43.15 "E 100 ° 24'15.28" located in Tanah Hitam Village has a covered dolomite rock slope. Based on the situation that occurs there are several factors that can relate to avalanches. such as rainfall, steep slope geometry, high excavation and earthquake vibration. The potential for landslides on the research slopes could endanger dolomite miners in the slope location. In addition, material due to landslides can cause road closures to obstruct road user traffic. This study aims to analyze and make treatment recommendations so that slope conditions become safe / stable. Safe slope analysis is based on the value of the safety factor (FK), namely Bowles, that (FK) so that the stable slope is FK> 1.25. Based on the results of the analysis and calculations it was found that the value of the slope safety factor (FK) on the A-A 'section is 2,631 and the B-B' section is 2,342. Based on the results of the analysis, it was found that the value of the slope safety factor (FK) in the A-A 'is 2,200 and B-B' section is 1,943.Keywords: Slope Stability Analysis, Safety Factor, Earthquake Vibration, Plane Failure, Slope Soil
Analisis Potensi Longsor pada Ruas Jalan Malalak Km 33 di Kecamatan Malalak, Kabupaten Agam, Provinsi Sumatera Barat Resty Prasuryani; Rusli HAR; Raimon Kopa
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract. Based on observations made on Sicincin-Malalak street KM 33 have been found 12th failure point with various conditions and types of failure. In addition, the geometry of the slope, high intensity of the earthquake and rainfall greatly affect to the condition of slope stability. The research was done on rock  slope with many joints, steep geometry, and many rockfalls. From these problem, we need to measure the physical characteristic, compressive strength and rock mass condition in research area using Rock Mass Rating (RMR) classification. Furthermore, the analysis of potential failure in the research area doing using dips to know the type of failure and then analyzed the stability of the slope using the limit equilibrium  method.  The results of rock mass classification with RMR obtained rocks included in Group II which means rock mass in good condition. Analysis using dips in get type of failure is toppling failure with possibly 15,53% with failure stike = N 225 E - N 285 E and dip = 15° - 90°. Furthermore, slope stability analysis was performed using the equilibrium limiting method for toppling failure and obtained FK values of slope is 1,58 which means that the slope is stable but still need protection from rock fall with construction of ditch and wiremesh instalation.Keyword: Failure, limit equilibrium method, toppling, slope stability, RMR
PEMBERDAYAAN WANITA MELALUI PEMBUDIDAYAAN JAMUR TIRAM DI DESA KAMPUNG KANDANG, KECAMTAN PARIAMAN TIMUR, PARIAMAN, SUMATERA BARAT Oktaviani Oktaviani; Yoszi Mingsi Anaperta; Nadra Mutiara Sari
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

bstrak— Kegiatan pengabdian Program Kemitraan Masyaraka (PKM) dengan judul PEMBERDAYAANWANITA MELALUI PEMBUDIDAYAAN JAMUR DI DESA KAMPUNG KANDANGKECAMATAN PARIAMAN TIMUR, PARIAMAN, SUMATERA BARAT ini bertujuan untukmemberdayakan sekelompok masyarakat yang tidak produktif menjadi masyarakat yang mandiri secaraekonomi. Proses pemberdayaan masyarakat khususnya ibu-ibu rumah tanggga yang tergabung dalamkelompok Program Kesejahteraan Keluarga (PKK) dan Kelompok Wanita Tani (KWT) Desa KampungKandang Kecamatan Pariaman Timur Pariaman akan dilaksanakan dengan memberikan pelatihan danbimbingan bagi ibu-ibu rumah tangga anggota PKK dan KWT untuk dapat ilmu pengetahuan bagaimana carapembudidayaan jamur tiram. Untuk membudidayakan jamur tiram ini tidaklah sulit dan tidak membutuhkanbiaya yang banyak. Sehingga ibu-ibu rumah tangga tidak membutuhkan modal yang terlalu besar. Untukterlaksananya program PKM ini, maka pelatihan dan bimbingan pembudidayaan jamur tiram ini akan diberikanoleh narasumber yang merupakan lulusan dari Pendidikan Teknik Bangunan UNP yang berwirausaha dalampembudidayaan jamur tiram, yaitu “Jamur Tiram Kuranji”. Target dari kegiatan ini adalah semua masyarakatDesa Kampung Kandang Kecamatan Pariaman Timur khususnya ibu-ibu rumah tangga diharapkan mampumandiri secara ekonomi menjadi masyarakat yang lebih sejahtera dan menjadi desa percontohan.Kata Kunci: Pembudidayaan Jamur Tiram, PKK, KWT
Analisa Distibusi Fragmentasi Pada Kegiatan Peledakan Batuan Dengan Menggunakan Simulasi Monte Carlo Dedi Yulhendra; Mulya Gusman
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

This Research based on the partially fragmentation which the boulders blasting results more than 80cms that intervene the crusher’s performance. The purpose of this Final Project is to get the exact value of powder factor; in order to attain the value of fragmentation up to 80 with optimally hold on 10%.The methodology problem that used is finding the value of rock factor by using Monte Carlo simulation and calculate the effect of powder factor on fragmentation with linear regression.The result of this final project is attained the value of rock factor 5.01 by using Monte Carlo simulation and the relationship between powder factor with the fragmentation is 72% with equation Y = -102,89X + 50,086. Based on its calculation, to attain the maximum result of fragmentation holding up to 10%, therefore the exact value of powder factor is 0,389.  Keywords: boulder, fragmentation, powder factor, rock factor
Kajian Teknis Penentuan Geometri Peledakan Untuk Meningkatkan Nilai Perolehan hasil Peledakan CV. Triaga Nusatama (TNT), Desa Lareh Sago Halaban, Kabupaten Lima Puluh Kota, Sumatra Barat Gestio Sesar Yulindo; Bambang Heriyadi
Bina Tambang Vol 3, No 4 (2018): JURNAL BINA TAMBANG
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract. Mining activity conducted by CV Triagra Nusatama focused against drilling and blasting. Based on observations and measurements in the field, the geometry of the actual current obtained by blasting fragmentation of rock blasting results size 40-80 cm of 35.41% (calculation of the Split Desktop). Next do the draft geometry blasting to distribution fragmentation optimalisation blasting with a formula of r. l. Ash, ICI-Explosive and the combination of ICI-Explosive formula with adjustments to the conditions of the field. Based on the results of the calculation formula of using fragmentation Kuz-Ram, then the selected geometry proposed blasting II because when viewed from the use of the powder factor and the volume of rock that dismantled proposal II more economical than actual and proposed I, and the results of the fragmentation size 40–80 cm larger generated or the result is desired by the target company. And when compared with geometry proposal III, on geometry III there is a difference of use of explosives fewer, larger volume that is blown, and the resulting fragmentation size 40 – 80 cm larger, but the difference in results the fragmentation size 40–80 cm only 7.07 m3 of proposal IIKeywords:    Blasting, Powder factor, Sliding Rock, Stockpile, Zig-zag Pattern

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