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INTAN Jurnal Penelitian Tambang
Published by Universitas Papua
ISSN : 26553473     EISSN : 27232727     DOI : https://doi.org/10.56139/intan.v4i2.85
Core Subject : Economy, Science, Engineering,
Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering
Fokus dan lingkup Jurnal INTAN adalah Pertambangan baik dalam pengelolaan dan pengusahaan mineral atau batubara yang meliputi eksplorasi, konstruksi, penambangan, pengolahan dan/atau pemurnian atau pengembangan dan/atau pemanfaatan, pengangkutan dan penjualan, kegiatan reklamasi dan pascatambang, kebijakan-kebijakan ekonomi, lingkungan, dan sosial di bidang pertambangan mineral dan batubara. Jadi Jurnal Intan merupakan media untuk menyalurkan pemahaman tentang aspek-aspek sains, teknologi, ekonomi, sosial dan lingkungan dari dunia pertambangan berupa hasil penelitian lapangan atau laboratorium maupun studi pustaka.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 124 Documents
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CORRELATION OF UNIAXIAL COMPRESSIVE STRENGTH AND ELASTIC MODULUS BASED ON PARAMETER PHYSICAL PROPERTIES AND POINT LOAD OF LIMESTONES IN GUNUNG KIDUL DISTRICT: KORELASI NILAI KUAT TEKAN UNIAKSIAL DAN MODULUS ELASTIC BERDASARKAN PARAMETER SIFAT FISIK DAN POINT LOAD BATU GAMPING DI KABUPATEN GUNUNG KIDUL Albertus Pontus; Revia Oktaviani; Tommy Trides
INTAN Jurnal Penelitian Tambang Vol. 6 No. 1 (2023): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v6i1.164

Abstract

In mining design, it is necessary to know in advance the characteristics of physical and mechanical properties, especially in the case of limestone. Laboratory tests need to be carried out to determine the physical and mechanical characteristics of limestone. Two important parameters that are often used for geotechnical analysis are the uniaxial compressive strength (UCS) and elastic modulus (E) values. Uniaxial compressive strength and elastic modulus values can be interpreted indirectly by using statistical relationships, which are simple regression and multiple regression, to interpret the correlation between the parameters of specific gravity, porosity, and point load index (PLI). Based on the results of statistical analysis, the strongest correlation is found between the point load index (PLI) and UCS, where the correlation value is 0.85. The correlation between the point load index (PLI) and the elastic modulus also has a strong relationship, with a correlation value of 0.74. In the multiple regression analysis, with independent variables (density, porosity, and PLI) and dependent variables (UCS and elastic modulus), the average error for the uniaxial compressive strength (UCS) value is 1.7811 (multiple regression) and 1.5542 (multiple non-linear regression) while the average error for elastic modulus (E) is 0.2460 (multiple regression) and 0.1841 (multiple non-linear regression).
IDENTIFICATION OF SAFE DISTANCE AGAINST DISPOSAL SLOPE: IDENTIFIKASI JARAK AMAN TERHADAP LERENG DISPOSAL Abdul Jalil; Risal Gunawan; Eko Wicaksono; Waterman Sulisyana Bargawa
INTAN Jurnal Penelitian Tambang Vol. 6 No. 1 (2023): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v6i1.169

Abstract

Initial mining activities need to remove overburden so it is necessary to find a safe and efficient location to avoid areas that still contain economical excavated materials. This disposal or stockpiling must be arranged considerably to meet the geotechnical design requirements. Other factors, influenced by economics and safety are very important in planning the disposal site. The purpose of this study is to determine the safe distance to disposal for PE pits based on laboratory tests. The study showed that the optimal disposal values for PE pits were 14˚ for a slope height of 50 m, 13˚ for a slope height of 80 m, and 12˚ for a slope height of 100. The Stability of the slope will be better by reducing the slope angle of the disposal slope. The analysis shows that the safe distance to disposal for PE pits is 45 m slope height with 50 m safety distance, 50 m slope height with 69 m safety distance, and 76 m slope height with 100 m safety distance. The higher the disposal slope, the smaller the slopes formed, and the greater the safety distance if the slope height increases.
ANALYSIS OF THE DENSITY AND COMBUSTION RATE OF BRIQUETTE BASED ON THE COMPOSITION OF PEANUT SHELL AND COCONUT SHELL INGREDIENTS: ANALISIS DENSITAS DAN LAJU PEMBAKARAN BRIKET BERDASARKAN KOMPOSISI BAHAN PENYUSUN KULIT KACANG TANAH DAN TEMPURUNG KELAPA Yusraida Khairani Dalimunthe Rani; Djoko Sulistyanto; Syamsul Irham; Thariq Madani; Teuku Ananda Rizky
INTAN Jurnal Penelitian Tambang Vol. 6 No. 1 (2023): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v6i1.170

Abstract

The study's purpose was to analyze the density value and the burning rate of briquettes made from a combination of peanut shell and coconut shell ingredients with a fixed amount of starch adhesive concentration. The briquette making involves processing peanut shells and coconut shells, grinding and 60 mesh sifting, mixing with adhesive, printing, and drying in an oven (1200C for ± 30 minutes). The samples tested were the composition of peanut shells (K) and coconut shells (T). The combination of two briquette materials has the same mass of 100 gr for each sample. The samples were made with several compositions, namely K1 (T = 90, K = 10), K2 (T = 80, K = 20), K3 (T = 70, K = 30), K4 (T = 60, K = 40 ), K5 ( T = 50, K = 50), K6 ( T = 40, K = 60), K7 ( T = 30, K = 70). The results showed that the highest density value was obtained from the K7 composition, which means it is composed of 30 gr coconut shell and 70 gr peanut shell with a density value of 0.292 gr/cm3 and the lowest density value obtained from the K3 composition, which means it is composed of 70 gr coconut shell and 30 grams of peanut skin with a density value of 0.170 gr/cm3. The longest flame time of the briquettes, until they go out and turn into ashes, is obtained from composition K1, which means it is composed of 90 grams of coconut shell and 10 grams of peanut shell with a flame time of 88 minutes, and the shortest time of the burning of briquettes until it goes out and turns into ashes is obtained from composition K5 which composed of 50 grams of coconut shell and 50 grams of peanut shell with a burning time of 57 minutes. The longest burning rate of briquettes, until they were extinguished and turned into ashes, was obtained from samples K3 and K5 with a burning rate of 125.6 cm3/minute, then the shortest burning rate of briquettes until they were extinguished and turned into ashes was obtained from samples K4 with a burning rate of 108.518 cm3/minute.
CHEMICAL PROPERTIES OF SOIL IN QUARTZ SAND MINING IN RIAU ISLANDS PRE-RECLAMATION ACTIVITIES: SIFAT KIMIA TANAH PADA TAMBANG PASIR KUARSA DALAM KEGIATAN PRA REKLAMASI KEPULAUAN RIAU Dita Irwanti Pratiwi; Mohammad Nurcholis
INTAN Jurnal Penelitian Tambang Vol. 6 No. 1 (2023): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v6i1.171

Abstract

It is necessary to figure out the chemical characteristic of soil in the pre-reclaimed land of quartz sand mines in order to find the appropriate and optimal reclamation method applied. A laboratory analysis is then conducted to determine the impact of the causes of decreased soil fertility. This research is conducted at PT. X Kepulauan Riau. The method used for soil sampling is FAO (1976) at a depth of 0-30 cm, with a total of 4 samples, namely sample A, B, C, and D. Sample A, B, and C are used in the XRF (X-Ray Fluorescence) method to determine the chemical compounds contained in the soil, while sample D is used for analyzing the soil chemical characteristic to determine the nutrients contained in the soil. Based on the results of the analysis, the condition of the pre-reclaimed land of quartz sand is classified as infertile. Nutrient levels in the pre-reclaimed land were mostly low, and this is an important factor inhibiting plants from growing at the study site.
CORRELATIONS OF PHYSICAL-MECHANICAL PROPERTIES OF THE BOBONARO CLAY IN TIMOR, AND ITS IMPLICATIONS IN GEOTECHNICAL WORK: KORELASI DAN IMPLIKASI GEOTEKNIK TERHADAP SIFAT KUAT GESER LEMPUNG BOBONARO DI TIMOR Adept Titu-Eki; Nugraha K. F. Dethan
INTAN Jurnal Penelitian Tambang Vol. 6 No. 1 (2023): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v6i1.172

Abstract

Many geotechnical problems like slope failures and other infrastructure damage are common in civil and mining projects on the Bobonaro Clay Complex in Timor. Obtaining relevant geotechnical data for a complete engineering analysis is often time-consuming and expensive. Therefore, a study on the relationship between the parameters can be a powerful tool in these situations. Here we used multiple linear regression analysis to determine the correlation between the physical properties (clay content and plasticity index) and mechanical properties (angle of internal friction and cohesion) of the Bobonaro Clay. The data are 53 clay samples from Kupang, East Nusa Tenggara Province. These samples were from geotechnical drilling and Atterberg tests, grain size–hydrometer analysis, and unconsolidated–undrained Triaksial tests. Of all the correlation attempts, we found that only the clay content – plasticity index, and clay content – angle of internal friction exhibited a moderate correlation with a positive trend. The results of the multiple linear regression correlation also failed to express a good model; therefore, it was replaced by simple linear regression analysis. The various factors that need to be considered in a geotechnical correlation study, along with the significance and uniqueness of the Bobonaro clay, are also addressed in this article. 
ECONOMIC GROWTH PROFILE OF THE MANOKWARI DISTRICT MINING SECTOR USING SHIFT SHARE ANALYSIS: PROFIL PERTUMBUHAN EKONOMI SEKTOR PERTAMBANGAN KABUPATEN MANOKWARI MENGGUNAKAN SHIFT SHARE ANALYSIS mei karina situmorang
INTAN Jurnal Penelitian Tambang Vol. 7 No. 1 (2024): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v7i1.137

Abstract

Economic growth is an important element in regional development. Economic growth from year to year is presented in the form of Gross Regional Domestic Product (PDRB). This study aims to determine the growth profile of the mining sector on the economy of the Manokwari Regency area as information and consideration in development planning. From the results of research using shift share analysis, the mining sector for the period 2012 to 2019 is a sector with slow growth but has high competitiveness compared to other regions. 2019-2021 shifts with the mining sector experiencing rapid growth but not being competitive.
STUDY OF SLOPE STABILITY IN INGGRAMUI VILLAGE, MANOKWARI DISTRICT, WEST PAPUA PROVINCE: STUDI STABILITAS LERENG PADA KAMPUNG INGGRAMUI KABUPATEN MANOKWARI PROVINSI PAPUA BARAT Ido Krostanto; Ricardo O.M. Hutapea
INTAN Jurnal Penelitian Tambang Vol. 6 No. 2 (2023): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v6i2.138

Abstract

This research was conducted in Inggramui Village, Manokwari Regency, West Papua Province because visually, there were indications of a decline in soil conditions caused by the intensity of rainfall or the water flow on the slope surface. The problem that is the focus of the research is determining the value of the Safety Factor (FK) in the original conditions and building design at the research location. Furthermore, this research aims to compare and recommend safe or stable slope geometry with FK at the research location using Rockscience Slide software version 6.0. The results of the FK value calculation interpretation based on Rockscience Slide Version 6.0 software show that the original slope FK value based on the Fellenius method is 0.939. In contrast, the Bishop method produces a value of 0.999. For the actual slope height with changes in slope, the FK value based on the Fellenius method is 1.266, and the Bishop method produces a value of 1.331. On the other hand, for the original slope with changes in slope height, the FK value based on the Fellenius method is 1.250, and the Bishop method produces a value of 1.275. From the calculation results, the FK value of the design is included in the category of landslides that rarely occur (slopes are relatively stable) compared to the FK value of the hill in its original condition.
RELATIONSHIP OF THE MINING SECTOR TO THE ELECTRICITY AND GAS PROCUREMENT SECTOR IN WEST PAPUA PROVINCE USING INPUT OUTPUT ANALYSIS: KETERKAITAN SEKTOR PERTAMBANGAN TERHADAP SEKTOR PENGADAAN LISTRIK DAN GAS DI PROPINSI PAPUA BARAT MENGGUNAKAN ANALISIS INPUT OUTPUT Samudra Depari; Juanita R. Horman; Arif Setiawan
INTAN Jurnal Penelitian Tambang Vol. 6 No. 2 (2023): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v6i2.159

Abstract

Linkage analysis is a method used to understand the economic structure of a region. This analysis can also be used to figure out how much influence a sector has on other sectors based on the input and output tables for each sector. This research was conducted to analyze the forward and backward linkages of the mining and quarrying sector to the electricity and gas procurement sector in West Papua Province, both directly and indirectly. The data used in this research is sourced from the West Papua Province Input Output Table Domestic Transactions Based on Producer Prices 2016 Updated 2021. The method used in this research is a descriptive quantitative method. From the results of this research, it was found that the value of backward linkages in the mining and quarrying sector was more significant than the value of forward linkages, both directly and indirectly, to the electricity and gas procurement sector. Thus, the mining and quarrying sector requires more output from the electricity and gas procurement sector as input, compared to the electricity and gas procurement sector's need for the output of the mining and quarrying sector.
THE INFLUENCE OF CLAY MINERALS ON HIGHWAY DAMAGE IN THE KLABEN AREA, MARIAT DISTRICT, SORONG DISTRICT, SOUTHWEST PAPUA: PENGARUH MINERAL LEMPUNG TERHADAP KERUSAKAN JALAN RAYA DI DAERAH KLABEN, DISTRIK MARIAT, KABUPATEN SORONG, PAPUA BARAT DAYA Salomina Opur; Restu Tandirerung
INTAN Jurnal Penelitian Tambang Vol. 7 No. 1 (2024): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v7i1.181

Abstract

The proportion of clay minerals in the mudstone that supports road construction also influences damage to the road body. This research aims to determine the content and role of clay minerals in damage to highway construction in the research area. The clay minerals studied came from the claystone of the Klasaman Formation. The clay mineral content in rocks is determined by carrying out X-ray Diffraction (XRD) analysis and petrographic analysis. Of the two (2) samples analyzed, it is known that the illite mineral presentation is very dominant. The dominant proportion of the mineral illite causes road damage, including cracked crocodile skin, holes and sinking.
CALCULATION OF RUNOFF DISCHARGE ON CV. CLASIGI OF SORONG DISTRICT, WEST PAPUA PROVINCE: PERHITUNGAN DEBIT LIMPASAN PADA CV. KLASIGI KABUPATEN SORONG PROVINSI PAPUA BARAT Wilson Woodrow Gerenop Ameto
INTAN Jurnal Penelitian Tambang Vol. 7 No. 1 (2024): INTAN Jurnal Penelitian Tambang
Publisher : Jurusan Teknik Pertambangan Program Studi S1 Teknik Pertambangan Fakultas Teknik Pertambangan dan Perminyakan Universitas Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56139/intan.v7i1.183

Abstract

Klasigi is a sirtu mining company located in Klasigi Village, Makbon District, Sorong Regency, West Papua Province. CV. Klasigi conducts mining using an open pit mining system with the quarry method. The mining system method used usually forms a depression, so that when it rains it has the potential to cause flooding in the mining area and mining roads. Based on the results of observations made by researchers in the field, the area that is the problem is the area around the mining road location. This is caused by rainfall that falls and forms uncontrolled surface runoff, so efforts are needed to overcome this problem. The aim to be achieved in this research is to find out how large the cathment area value is and how large the surface runoff discharge value is at this research location. Based on the results of the analysis of Sorong city rainfall data for the last 10 years, it was found that the standard deviation was 0.0683, the variance coefficient was 0.0506, the skewness coefficient was -0.1645, and the planned rainfall was 13.59 mm/day, the rain intensity was 4, 7114 mm/hour, the cathment area value is 0.062 km2, and the runoff discharge is 0.073 m3/s.

Page 10 of 13 | Total Record : 124

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