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Menampilkan 1–10 dari 32 artikel
Studi Perbandingan Kualitas Batubara Berdasarkan Analisis Proksimat pada Dua Seam dengan Variasi Kedalaman di PIT North PT Karya Putra Borneo
Alvian George Devandrie
; Windhu Nugroho
; Lucia Litha Respati
; Agus Winarno
; Harjuni Hasan
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 4
, No 2
(2026)
This research aims to compare coal quality based on proximate analysis in two seams with varying depths in Pit North and evaluate the relationship between depth and coal quality parameters. The research method includes taking representative samples at each seam and proximate analysis laboratory testing including inherent moisture, ash content, volatile matter, and fixed carbon. The results showed that seam 1 at an average depth of 59.8 m had an inherent moisture value of 13.51%, ash 4.68%, volat...
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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 Geometri Jalan Angkut Batubara Menggunakan Hasil Pengukuran Terestrial Laser Scanner di PT Trubaindo Coal Mining Kabupaten Kutai Barat Provinsi Kalimantan Timur
Arya Lawing Sembiring
; Windhu Nugroho
; Ardhan Ismail
; Henny Magdalena
; Agus Winarno
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 4
, No 2
(2026)
The evaluation of haul road geometry at PT Trubaindo Coal Mining was conducted to ensure that the haul road from the stockroom to the jetty meets applicable technical standards, thereby supporting the smoothness, safety, and efficiency of coal transportation activities. This study aims to analyze the conformity of haul road geometric parameters, including straight road width, curve width, curve radius, cross slope, longitudinal grade, and superelevation, based on the standards of AASHTO 7th Edit...
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Analisis Lama Waktu Pemanasan dan Rasio Komposisi Oli terhadap Peningkatan Kualitas Batubara menggunakan Metode Upgrading Brown Coal
Ferry Samuel Maringan Siregar
; Windhu Nugroho
; Henny Magdalena
; Agus Winarno
; Rety Winonazada
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 4
, No 2
(2026)
Low-rank coal generally has a high moisture content, which results in a low calorific value and suboptimal quality for utilization as an energy source. One method that can be applied to improve coal quality is the Upgrading Brown Coal (UBC) process, which functions to reduce moisture content and increase fixed carbon value. This study aims to analyze the effect of heating time and the ratio of used oil composition on improving coal quality based on proximate parameters. The research method inclu...
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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 Pergerakan Lereng Tambang Menggunakan Alat CHCNAV PS 2000 di PT Insani Bara Perkasa Kabupaten Kutai Kartanegara Provinsi Kalimantan Timur
Muhammad Iksan Hamsyah
; Revia Oktaviani
; Lucia Litha Respati
; Tommy Trides
; Agus Winarno
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 4
, No 1
(2026)
Mine slopes play a crucial role in ensuring the safety and sustainability of mining activities. Continuous mining operations can alter slope conditions, thereby increasing the potential for instability and slope failures. Slope stability is influenced by the balance between resisting forces and driving forces acting on the rock mass. When the resisting forces are smaller than the driving forces, the slope becomes unstable and failure may occur. Therefore, slope stability analysis is essential to...
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Perbandingan Perhitungan Volume Batubara Stock Rom Mengunakan Hasil Pengukuran Total Station dan Unmanned Aerial Vehicle di PT Victor Dua Tiga
Adit Ajie Nugraha
; Lucia Litha Respati
; Windhu Nugroho
; Henny Magdalena
; Agus Winarno
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 4
, No 1
(2026)
Measuring coal volume in the Stock ROM area played an important role in production control and mining evaluation. This research was conducted in the Stock ROM area at PT. Victor Dua Tiga Mega, where volume measurements were generally carried out using Total Station (TS) as the main method, howefer the use of Unmanned Aerial Vehicles (UAV) has begun to be implemented as a more efficient alternative. This study aims to compare the results of Stock ROM coal volume calculations using the Total Stati...
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Pengenalan dan Pelatihan Dasar Pemrograman Menggunakan Scratch di SDN Bulupasar Kediri
Iqlima Zahari
; Mutiara Anggraini Ritma Tanti
; Galuh Wilujeng Saraswati
; An’nisa Yulia Nur
; Wildan Mahmud
; Erba Lutfina
; Karmila Karmila
; Agus Winarno
Jurnal Pengabdian dan Kesejahteraan Masyarakat
Vol 3
, No 1
(2026)
The advancement of digital technology has made computer literacy and language comprehension increasingly important. Playing games has become a daily habit for young children. Scratch is an innovative and child-friendly platform. This community service program aims to introduce basic programming concepts to sixth-grade students of Bulupasar Elementary School, Kediri, using the Scratch platform. This program adopts the Direct Instruction method, also known as hands-on learning. This one-day sessio...
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Studi Pengaruh Lama Penumpukan Batubara terhadap Kualitas Proximate Batubara di ROM Coal Stockpile pada PT Multi Harapan Utama Kabupaten Kutai Kartanegara Provinsi Kalimantan Timur
Ronal Ronal
; Windhu Nugroho
; Revia Oktaviani
; Agus Winarno
; Ardhan Ismail
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 3
, No 6
(2025)
During the coal stockpiling process, the quality of coal may increase or decrease due to direct exposure to open environmental conditions, which can lead to changes in its characteristics. The longer the coal is stored in an open area, the more it undergoes changes caused by rainfall, heat, and air exposure, resulting in an increase in moisture content and ash content, while the calorific value decreases. Therefore, this research was conducted to determine the optimal coal stockpiling duration a...
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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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