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INDONESIA
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 12 Documents
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Search results for , issue "Vol 9 No 2 (2021): PROMINE" : 12 Documents clear
Penyusunan Zonasi Kawasan Pertambangan Di Kabupaten Magetan Berdasarkan Aplikasi Sistem Informasi Geografis Dengan Metode Pertampalan Fanani, Yazid; Widiatmoko, Fajar Rizki; Al Fakih, Salahudin; Suryawan, I Wayan Koko; Sari, Mega Mutiara
PROMINE Vol 9 No 2 (2021): PROMINE
Publisher : Program Studi Teknik Pertambangan, Fakultas Sains dan Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v9i2.2774

Abstract

Magetan has resources mineral potential of non-metallic minerals and rocks. The mineral variety is a mineral which relates to the people livelihood because it necessary for infrastructure development. There is no mining area zoning until now and it can be used to optimize the management and utilization of potential resources. In Magetan, mining area zoning was carried out by giving weights and assessments to the determining parameters which was conducted by patch method and it utilized Geographic Information System. So, the result of mining area zoning could be grouped into three zones. They were a zone could be granted a mining permit, a zone could be granted a conditional mining permit and a zone could not be granted a mining permit. Determining parameters for mining area zoning were land height, disaster vulnerability, groundwater, river borders, lakes and irrigation buildings, springs, forests and protected areas, agricultural land and cultivation areas, settlements, cultural heritage, tourism and district strategic areas, and land slope. The result of potential resources identification was carried out by analyzing Magetan geological map which was obtained potential resources, like andesite, pumice breccia, sandstone, siltstone and basalt. The zoning of Magetan mining area is a zone could bne granted a mining permit and the area was 9,914.507 Ha or about 14% in a percentage of the area, a zone could be granted a conditional mining permit covering an area of 20,748.29 Ha or about 30% and a zone unable to be granted a mining permit covering an area of 39,296.08 Ha or about 56% of the total area of Magetan.
Kajian Produktivitas Alat untuk Mengoptimalkan Hasil Produksi Overburden di PT. Karebet Mas Indonesia Site Kutai Energi Kalimantan Timur Putri, Fairus Atika Redanto; Cahyono, Yudho Dwi Galih; Rabin, Serin
PROMINE Vol 9 No 2 (2021): PROMINE
Publisher : Program Studi Teknik Pertambangan, Fakultas Sains dan Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/promine.v9i2.2865

Abstract

Overburden and coal mining must go hand in hand and in line, because high overburden productivity will affect coal production results. This study aims to calculate, analyze productivity and determine recommendations for increasing production. This research uses a combined research method and a mathematical pattern. The company has a productivity target of 220.5 m3/hour, with the actual conditions obtained for digging and loading equipment that has reached the target of 279.9238 BCM/hour, but the transportation equipment has not reached the target of 80.9048 LCM/hour. There are various factors that have not achieved the production target, among others, low work efficiency, quite long transportation and return times during transportation equipment circulation times, as well as mismatched compatibility factors that cause long waiting times for transportation equipment. After optimization with the addition of 1 unit of excavator with the same type, optimization of the transportation equipment cycle time and optimization of the work efficiency of the transportation equipment, an increase in productivity was obtained in each conveyance, so that after optimizing the productivity target of transportation equipment was achieved by 222 ,4045 LCM/Hour.

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