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Menampilkan 1–10 dari 26 artikel
Estimasi Sumberdaya Batubara berdasarkan Data Ekplorasi Pengeboran dan Geophysical Logging pada Pt.Ansaf Job Site Pt.X Kalimantan Timur
A. Agus Mantri
; Windhu Nugroho
; Albertus Juvensius Pontus
; Shalaho Dina Devy
; Koeshadi Sasmito
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 4
, No 2
(2026)
At the research location at PT. Ansaf Inti Resource, there are several mining stages such as exploration. In the exploration itself, drilling and logging activities are carried out. However, if not careful in calculating coal resource estimates, there can be potential discrepancies between the estimated coal resources based on the results of drilling data identification and well logging data with the actual results. Exploration activities are activities that are often carried out by companies to...
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Studi Klasifikasi Tanah Metode USCS dan Pengaruh Kedalaman terhadap Karakteristik Tanah pada Lereng Lowwall Pit North PT Karya Putra Borneo
Ahmad Akmal Muhyiddin
; Tommy Trides
; Shalaho Dina Devi
; Revia Oktaviani
; Albertus Juvensius Pontus
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 4
, No 2
(2026)
This study aims to determine the soil classification of rock disintegration products based on the Unified Soil Classification System (USCS) and analyze its relation to sample depth variations on the lowwall slope of Pit North, PT Karya Putra Borneo, Kutai Kartanegara Regency, East Kalimantan. Soil samples were obtained through the Slake Durability test, simulating rock weathering from wetting and drying cycles, producing fine particles classified as weathered soil. These samples were analyzed fo...
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Analisis Kinerja Alat Bor dalam Penyediaan Lubang Ledak untuk Mencapai Target Produksi Pembongkaran Overburden di Pit.7 PT. Insani Bara Perkasa Kabupaten Kutai Kertanegara Provinsi Kalimantan Timur
Muh. Iskandar Rahman
; Revia Oktaviani
; Agus Winarno
; Tommy Trides
; Albertus Juvensius Pontus
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 4
, No 2
(2026)
Blast hole drilling is an initial stage that plays a critical role in determining the success of blasting activities in mining and construction operations. Drilling quality directly affects rock fragmentation, drilling equipment efficiency, drilling equipment productivity, as well as blasting safety and costs. This study aims to analyze the influence of drilling parameters on blast hole quality, including hole diameter, drilling depth, hole inclination, and the suitability of drilling patterns w...
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Evaluasi Perhitungan Volume Stockpile Batubara dengan menggunakan Alat Total Station di PT. Bukit Baiduri Energi, Kabupaten Kutai Kartanegara, Provinsi Kalimantan Timur
Muhammad Rofy Fauzan
; Henny Magdalena
; Lucia Litha Respati
; Windhu Nugroho
; Albertus Juvensius Pontus
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 4
, No 2
(2026)
Coal stockpile volume measurement is an essential part of mining production control. This study aims to evaluate the calculation of coal stockpile volume using a Total Station (TS) at PT. Bukit Baiduri Energi, Kutai Kartanegara Regency, East Kalimantan Province, and to assess the accuracy and effectiveness of this method in operational activities. Data acquisition was carried out through direct field measurements using a Total Station with a detailed surface point survey method. The collected da...
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Analisis Korelasi Hasil Pengujian Unconfined Compressive Strength (UCS) & Point Load Index (PLI) Batuan pada Formasi Kampungbaru, Kabupaten Kutai Kartanegara
Akbar Nazaruddin
; Albertus Juvensius Pontus
; Agus Winarno
; Tommy Trides
; Lucia Litha Respati
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 4
, No 2
(2026)
Slope stability studies are crucial in determining the sustainability and operational safety of mining activities. This research was conducted to analyze the correlation between rock porosity and Unconfined Compressive Strength (UCS) results, as well as the corrleations between Point Load Index (PLI) and Unconfoned Compressive Strength (UCS) results. These two correlations form the primary components of the study. Three types of rock were tested claystone, coal, and siltstone. The results of the...
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Analisis Karakteristik Tanah Berdasarkan Uji Lapangan Sondir (Cone Penetration Test) & Uji Laboratorium pada PIT North PT Karya Putra Borneo
Yuana Saputra
; Revia Oktaviani
; Rety Winonazada
; Tommy Trides
; Albertus Juvensius Pontus
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 4
, No 1
(2026)
This study aims to analyze the characteristics of the soil at PIT North with two highwall and lowwall locations at PT Karya Putra Borneo, Kutai Kartanegara Regency, East Kalimantan Province. The research method was carried out by collecting primary data from the results of field tests using the sondir method with the Cone Penetration Test(CPT) tool and laboratory tests using physical properties, specific gravity, grain size, soil consistency, and consolidation tests, as well as secondary data fr...
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Studi Pengaruh Derajat Kejenuhan Terhadap Kuat Geser Tanah
Anandyta Suci Ramdani
; Revia Oktaviani
; Ardhan Ismail
; Tommy Trides
; Albertus Juvensius Pontus
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 4
, No 1
(2026)
Soil strength characteristics are strongly influenced by its physical and mechanical properties, one of which is shear strength. Soil shear strength is affected by cohesion (c), internal friction angle (ϕ), and soil moisture conditions. In open-pit mining conditions, soil moisture content is greatly influenced by rainfall and water seepage, which can increase the degree of saturation within the soil mass. An increase in the degree of saturation generally leads to a rise in pore water pressure, t...
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Analisis Risiko dengan Pendekatan Semi-Kuantitatif untuk Stabilitas Lereng Highwall pada PIT B1 PT. Pancaran Surya Abadi Kabupaten Kutai Kartenegara
Melki Marten
; Revia Oktaviani
; Windhu Nugroho
; Tommy Trides
; Albertus Juvensius Pontus
Jurnal Riset Rumpun Ilmu Teknik
Vol 5
, No 1
(2026)
Guaranteeing the geotechnical stability of slopes is an absolute prerequisite for the sustainability of open pit mining operations, considering the potential for multidimensional losses due to slope failure. The specific geological conditions at PIT B1 PT. Pancaran Surya Abadi, which is composed of sedimentary rocks (coal, sandstone, and claystone), are susceptible to degradation and softening, especially due to high rainfall that causes an increase in pore water pressure and a decrease in rock...
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Analisis Perbandingan Kualitas Proximate Batubara Pada PIT B1 dengan ROM Coal Stockpile KM4 di PT. Trisensa Mineral Utama Kecamatan Loa Janan Kabupaten Kutai Kartanegara Provinsi Kalimantan Timur
Ardian Saputra
; Windhu Nugroho
; Henny Magdalena
; Agus Winarno
; Albertus Juvensius Pontus
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 3
, No 6
(2025)
Coal quality must be controlled from the pit area to the ROM stockpile to ensure compliance with market specifications. However, hauling and stockpiling processes often lead to changes in coal characteristics. This study aims to analyze variations in proximate parameters between coal from Pit B1 and ROM Stockpile Km4 at PT Trisensa Mineral Utama and to identify factors contributing to these changes. The methodology includes field sampling at both locations, sample preparation based on ASTM stand...
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Penentuan Nilai Peak Particle Velocity Peledakan Berdasarkan Analisis Regresi Non Linear dan US Bureau Of Mines Oriard’s Formula pada Pit Pinang PT Bukit Baiduri Energi
Djuwita Dela Safitri
; Tommy Trides
; Agus Winarno
; Albertus Juvensius Pontus
; Lucia Litha Respati
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 3
, No 6
(2025)
This research investigates the Peak Particle Velocity (PPV) resulting from blasting operations at Pit Pinang, PT Bukit Baiduri Energi, employing two prediction approaches: Non-Linear Geometric Regression and the USBM Oriard’s Formula. Ground vibration measurements were recorded over a one-month period, from October 9 to November 8, 2025. The findings indicate that the non-linear regression model achieves a higher predictive accuracy of 78.62%, outperforming the USBM Oriard’s Formula, which reach...
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