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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 26 Documents
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Search results for , issue "Vol 3, No 1 (2018): Jurnal Bina Tambang" : 26 Documents clear
ANALISIS HUBUNGAN TOTAL RESISTANCE DAN KECEPATAN TERHADAP KONSUMSI BAHAN BAKAR DUMPTRUCK KOMATSUHD785DAN CATERPILLAR HD777DI PT. SEMEN PADANG Dicky Sevendra; Sumarya Sumarya; Yoszi Mingsi Anaperta
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

BUMN) one that moving at limestone mining area. Material purpose burn thattall on tool transports dumptruck t h e r e f o r e shall evaluate to down cost ofmining. Trick to reduce using up fuel it by undertaking analisis factor thatregards it, one that covers grade resistance , rolling resistance , speed, conditionof place job, attitude operator, and quality machine, and method mining one thatare not optimal.This research at focuses on prisoner influence full scale resistanceandand speed to burning fuel on unit dumtruck Catrepillar HD777 and KomatsuHD785 . Of watch result at field is gotten that the greater prisoner full scaleresistannce therefore the greater too fast fueled one is burnt from vehicle andgetting vehicle runaway speed slowing therefore will the greater too fast fueledone be burnt. It is caused because ability Rimpull circumscribed machine to settleprisoner so slows vehicle runaway speed. To result Rimpull one that big, thereforemachine shall be conected with low tooth and with RPM high.Relationship full scale resistance to fuel base analysis statistic withmethod regression linear modestly are as big as 99,013% meanwhile subjectivespeed is with fuel gotten by point determinant coefficient (R 2 ) as big as 0,997%.Base cost standard for fueled dumptruck 775F as big as 51,7 liters / the time ofday, therefore prisoner total maximal one can settle its truck as big as 15 %.
IDENTIFIKASI KEBERADAAN AIR TANAH MENGGUNAKAN METODE GEOLISTRIK RESITIVITAS KONFIGURASI SCHLUMBERGER DI DAERAH PANDAWA, JORONG TAROK, KECAMATAN 2 x 11 KAYU TANAM Fandi Aulia Syofyan; Adree Octova; Yoszi Mingsi Anaperta
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

Pandawa, Jorong Tarok District 2 x 11 Kayu Tanam is one of the difficult areas of water in Padang Pariaman Regency. One of the causes of the difficulty to meet the water needs is due to unknown groundwater source distribution. The distribution of groundwater in Pandawa is important to know, to know the location of the water source and its subsurface shape, therefore has been conducted research that aims to know the distribution, depth, and type of ground water aquifers in the Pandawa area. This research is a descriptive basic research. Measurements were made using MAE X-612 EM Resistivitymeter as the main instrument. Data is taken using Schlumberger configuration on 3 paths. The results of data analysis are interpreted using Smoothness-Constraint Least Squares Inversion with the help of Res2dinv Software and Voxler 4.0 Software. The result of interpretation of data is the value of rock type resistance and rock depth of research area. The data estimation is done by comparing the actual type of resistance value with the species resistance table and the geology of the research area, so that the water distribution and depth of soil from the soil surface can be obtained. The results of this study indicate that the distribution of groundwater on the parallel track of Trajectory 1 and 2 tends to lead from the North to the South. Groundwater is encountered in the range from 7 - 20 m with a range of resistance values of 6.87 Ωm - 32.6 Ωm.
ANALISIS BIAYA PRODUKSI PENAMBANGAN BATU KAPUR PADA BULAN APRIL 2017 DI BUKIT KARANG PUTIH PT. SEMEN PADANG Elsa Rahma Afrila; Sumarya Sumarya; Dedi Yulhendra
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

PT Semen Padang is planning to increasing production of limestone of 650,749 tons from actual production 580.17 ton. Increased production of limestone will cause an increasing the cost of production, so the planning of main cost production of limestones per ton from the mining location to the hauling front to a dumping area is required. This cost of production was determined by how much mechanical equipments used from mining front to the dumping area. Afterwards, the cost is also influeced by the depth of the explosive holes. The depth of explosive holes should be customized by the target production from the company.Productivity of drilling machine Furukawa HCR 1500-ED II is 1.519,86 ton/hour. Productivity of loader digging equipment Backhoe Caterpillar 6030 (EC-03) is 1.292,37 tons/hour. Productivity of hauling equipment Dumptruck Komatsu HD 785-7 is427,62 tons/hour, so to reach the production target 650,749 ton is required 1 unit of drilling machine Furukawa HCR 1500 – ED II, 1 unit of Backhoe Caterpillar 6030 (EC-03), and 3 units of Dumptruck Komatsu HD 785-7. An appropriate from the depth of explosive holes to achive production target is 8.999,43 m. Production cost per ton of limestone from the mining front to the dumping area that must be issued by company in April 2017 is Rp. 11,574.71 andthe cost of production per ton oflime stone after analyzed isRp. 10.349,08 so that companies can reduce the production costs amounted to 10.58%.
STUDI TENTANG KESELAMATAN DAN KESEHATAN KERJA (K3) PADA PERTAMBANGAN EMAS RAKYAT DI KENAGARIAN PALANGKI KECAMATAN IV NAGARI KABUPATEN SIJUNJUNG Zhilal Darma; Yunasril Yunasril; Bambang Heriyadi
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

Penelitian ini berawal dari pengamatan peneliti terhadap kecelakaan kerja yang terjadi pada pertambangan emas rakyat di Kabupaten Sijunjung. Tingkat kecelakaan kerja yang tinggi merupakan suatu permasalahan yang harus diselesaikan. Selain itu, pertambangan rakyat juga menyisakan beberapa permasalahan antara lain masih tingginya tingkat kekeruhan sungai akibat pertambangan emas rakyat, masih banyaknya penambangan yang tidak sesuai dengan aturan perizinan pertambangan dan lahan pascatambang yang tidak reklamasi. Pengetahuan penambangan tentang keselamatan dan kesehatan kerja menjadi faktor yang mengurangi kecelakaan kerja, dapat diartikan bahwa pengetahuan pekerja tambang merupakan bagian penting bagi para pekerja sebagai bentuk tanggapan terhadap keselamatan dan kesehatan kerja yang dipengaruhi oleh pengetahuan masing-masing pekerja tersebut. Oleh karena itu, penelitian ini bertujuan untuk mengetahui bagaimana gambaran tentang kegiatan pertambangan emas rakyat dan bagaimana pengaruh antara pengetahuan pekerja tambang tentang keselamatan dan kesehatan kerja dengan frekuensi kecelakaan kerja pada penambangan emas rakyat di Kenagarian Palangki Kecamatan IV Nagari Kabupaten Sijunjung. Penelitian ini bersifat deskriptif dengan menggunakan analisis regresi linear berganda. Hasil penelitian menunjukkan “terdapat pengaruh yang signifikan antara variable X1, X2 dan X3 secara bersama-sama terhadap Variabel Y”. Variabel yang paling dominan dalam mempengaruhi variabel Y secara parsial adalah variabel X1 yaitu pengetahuan umum pekerja tambang tentang keselamatan dan kesehatan kerja. Artinya semakin baik tingkat pengetahuan pekerja tambang tentang keselamatan dan kesehatan kerja maka semakin rendah frekuensi kecelakaan kerja
Evaluasi Kinerja Crushing Plant Dan Belt Conveyor Dalam Pengolahan Dan Pengiriman Limestone Ke Storage Indarung di PT. Semen Padang Fitri Eka Yulia; Raimon Kopa; Yoszi Mingsi Anaperta
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

PT. Semen Padang has 4 units of crushing plant there are crusher II, IIIA, IIIB, and VI. Production of limestone crusher in April 2017 is 692,755 tons, while the target of limestone crusher production is 804,749 tons so the target of limestone crusher production in PT. Semen Padang in April 2017 was not achieved. This is caused of the target crusher working hours are not achieved, frequent improvements in the crusher, and the change of usage belt conveyor lines. The purpose of this research is to get the performance value of crushing plant and belt conveyor, get the production capacity of belt conveyor, reveal the ideal crusher working system so we can get the ideal limestone crusher production.This research was combined between theory with field data, then we can get the problem solving approach, and the result of data processing will be analyzed for subsequent to be generated a recommendation.Based on the research result can be concluded. First, the performance of crushing plant and belt conveyor is not optimal because the work efficiency of limestone crusher II is 26,20%, crusher IIIA is 21,54%, and crusher IIIB is 28,33%. Second, the minimum production capacity of the belt conveyor is 1,409.7 tons/hour. Third, the ideal crusher working hours is 672 hours in a month so that the production of limestone crusher 810,992 tons in a month.
PERENCANAAN REKLAMASI LAHAN BEKAS PENAMBANGAN PIT D1 PT. AMAN TOEBILLAH PUTRA SITE LAHAT SUMATERA SELATAN Eka Retno Sari; Ansosry Ansosry; Heri Prabowo
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

The steps of the mining activities in PT. Aman Putra Toebillah includes the activities of land clearing, stripping the ground cover, the exploitation of coal, transporting, processing and marketing of coal. After the mining is finished, the ex of mining area will leave an opening hole. Therefore any company of mine obligatory to implement reclamation of ex mining area to maintain environmental sustainability. Based on Ministerial Regulation Number 7 Year 2014, reclamation are activities during of mining to organize, restore, and improve the quality of the environment and the ecosystem to the function. Therefore, it takes a good planning, so the rate reclamation success can be realized.Mining avtivities include the arrangement of land reclamation. The Inpit Dump will be covered with land cover. Then on the top layer is covered with top soil as a medium growing plants. After the arrangement is finished then the Inpit Dump will be replanting (revegetation). To prevent the erosion, we made waterways, do care and give limes to settling pond to prevent the formation of acid mine water.Based on calculations of planning reclamation and revegetation, direct costs for reclamation activities and revegetation on the Pit D1 PT. Aman Toebillah Putra amount to Rp RP 14.104.226.892,00 and indirect costs amount to Rp 1.339.901.555,00. Then the total cost of reclamation and revegetation on the site amount to Rp 15.444.128.447,00.
Analisis Rock Factor Dan Pengaruh Powder Factor Terhadap Fragmentasi Pada Batuan Limestone Di Bukit Karang Putih Pt. Semen Padang (Persero) Harifan Prima; Dedi Yulhendra; Rijal Abdullah
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

This final project is 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.
ANALISIS FLEKSIBILITAS EKONOMI MENGGUNAKAN BLACK-SCHOLES-MERTON FORMULA PADA PROYEK TAMBANG BIJIH BESI Elgi Alam Pangestu; Muhammad Giatman; Murad Murad
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

The intangible factors in iron ore mining project can be calculated quantitively by using Black-Scholes-Merton Formula. Based on calculation results, NPV value using Discounted Cash Flow (DCF) is obtained that amount Rp. 384.410.329.525. The parameters of Black-Scholes-Merton (BSM) Formula has value amount: Volatility of Commodity Price (σ2)=4,5%, Risk Free Rate (r)=7,61%, Value of Underlying Asset (S)=Rp. 493.178.856.998,86, Capital Budget (K)=Rp. 16.213.165.807, and Loss of Opportunities (γ)=3,28%. So that the value of eNPV is Rp. 539.768.362.897,60 with Option Value (C) amount Rp. 155.358.033.372,49. Sensitivity analysis shows that Option Value (C) is directly proportional to the increment of Value of Underlying Asset (S) and Risk Free Rate (r). Meanwhile the Option Value (C) is inversely proportional to Capital Budget (K), Loss of Opportunities (γ), and Project Time Period (t). The increment Volatility of Commodity Price does not influence Option Value (C).
Evaluasi Waktu Kerja Efektif Alat Gali Muat dalam Rangka Meningkatkan Pendapatan dari Harga Penjualan Batubara pada PT. Britmindo site Bukuan, Kecamatan Palaran, Kota Samarinda, Kalimantan Timur. Wisma Hidayat; Rijal Abdullah; Murad Murad
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

The things that should be success parameter of mining company is the amount of its production. Loading and hauling equipments performance will determine production planning. Unproductive working hours directly also be an affect from unappropiate work system. As the draft of this research, the author examine the data of its equipments cycle time so that it can be obtained the details working hours of equipments such as effective working hours, and working hours obstacles. The methodology of this research used quantitative analysis approachment which the biggest point should be done to reach the goals of this research is to examine the data and make a detail of working hours such as the number of annual equipments and then evaluated it, thus it would be obtained the production. The results showed the average of equipments was working about 3.55 hours/day with production getting (25,417.997 ton). Then the autors do an evaluation, if working hours is increased to 5 hours/day, then it also will increase more than (35,819.3467 ton) and additional revenue from (Rp. 12,708,998,500) be (Rp. 17,909,673,800).
Analisis Kinerja Manajemen Keselamatan dan Kesehatan Kerja untuk Mengetahui Penyebab Meningkatnya Kecelakaan Property Damage di PT. Cakra Bumi Pertiwi Site Bengkulu Utara Provinsi Bengkulu Renaldo Juliandi; Rijal Abdullah; Murad Murad
Bina Tambang Vol 3, No 1 (2018): Jurnal Bina Tambang
Publisher : Jurusan Teknik Pertambangan FT UNP

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Abstract

From the research can be seen that the incidence of property damageaccidents increased. This is caused of unsafe conditions and unsafe work acts,inconsistent in supervising the K3 management system, lack of knowledge, employeeawareness and concern about K3. The absence of sanctions against employees whoviolate K3. The purpose of this study is to reveal whether PT. CBP has implementedK3 principles in accordance with the principles of K3 mine, reveals whethersupervisors and miners have implemented K3 principles, disclosing the extent ofoccupational risk, disclosing the causes of accidents, and disclosing the percentage ofunsafe and unsafe events.In carrying out this research, combined theory and direct interview withfield data, so that both of them got problem solving approach.Based on the results of the research conducted can be concluded thefollowing points. First, the factors that cause property damage accidents includehuman factors, equipment factors and environmental factors. Second, there are stillmany unsafe and unsafe practices. Third, the percentage of accidents for unsafe actsis 60.71% and for unsafe conditions is 39.29%. And the cause of the accidentproperty damage in PT. Cakra Bumi Pertiwi is a matter of implementation of K3policy in management, which subindicator is supporting activity, capabilityguarantee, and ability guarantee.

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