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Menampilkan 11–20 dari 36 artikel
Studi Kestabilan Lereng Sandstone dengan Metode Bishop Simplified di Samarinda Ulu, Kalimantan Timur
Muhammad Hamzah
; Tommy Trides
; Revia Oktaviani
; Lucia Litha
; Albertus Juvensius
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 3
, No 6
(2025)
A research about study of sandstone slope stability using the Bishop Simplified method in Uu Samarinda has been conducted. This study was conducted to analyze the rebound number values of sandstone slopes, evaluate their stability level, and calculate the safety factor using the Bishop method. The results showed that the rebound number values were 22.34 at point 1, 19.83 at point 2, and 18.07 at point 3. The Uniaxial Compressive Strength (UCS) values at the observation points were 1.90 MPa, 1.62...
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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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Studi Kehilangan Volume Batugamping pada Kegiatan Peledakan dan Crushing di PT. Yusrina Borneo Quantum Kecamatan Loakulu Kabupaten Kutai Kartanegara, Provinsi Kalimantan Timur
Muhammad Aji Satria Mandiri
; Revia Oktaviani
; Agus Winarno
; Tommy Trides
; Windhu Nugroho
Bilangan : Jurnal Ilmiah Matematika, Kebumian dan Angkasa
Vol 3
, No 6
(2025)
Blasting and crushing are essential stages in the limestone mining process; however, both stages may contribute to material volume loss due to technical factors and geological conditions. This study aims to analyze the blasted volume, crushed volume, and the amount of volume loss occurring throughout these processes. The research utilizes primary data including blasting geometry, blasting patterns, crushing production, and secondary data such as regional geology and equipment specifications. Bas...
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Pengaruh Ukuran Butir Batupasir terhadap Kekuatan dan Ketahanan Batuan pada Formasi Balikpapan dan Pulau Balang
Eghi Eghi
; Albertus Juvensius Pontus
; Agus Winarno
; Tommy Trides
; Rety Winonazada
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 3
, No 5
(2025)
Rock stability and service life in geotechnical and mining engineering are highly dependent on the rock's mechanical and physical parameters, where the variation in sandstone grain size is a crucial intrinsic factor. This study aims to comprehensively analyze the correlation between sandstone grain size with uniaxial compressive strength (UCS) and resistance to weathering (Slake Durability Index) in samples taken from the Balikpapan and Pulau Balang Formations in the Samarinda area, East Kaliman...
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Studi Pengaruh Geometri Peledakan terhadap Biaya Pemboran dan Biaya Peledakan pada PT Unggul Dinamika Utama Kabupaten Kutai Timur Provinsi Kalimantan Timur
Berliani Wahyu Ningrum
; Tommy Trides
; Rety Winonazada
; Revia Oktaviani
; Lucia Litha Respati
Venus: Jurnal Publikasi Rumpun Ilmu Teknik
Vol 3
, No 5
(2025)
This study aims to analyze the effect of blasting geometry on drilling and blasting costs in mining operations at PT Unggul Dinamika Utama, Kutai Timur Regency, East Kalimantan Province. The research focuses on comparing two operational areas, namely PIT Tempudo 6 and PIT East, which apply different blasting geometries: a burden of 7 m and spacing of 8 m at PIT Tempudo 6, and a burden of 8 m and spacing of 9 m at PIT East. The research method involved collecting primary data from actual field dr...
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Analisis Pengaruh Number of Cycles terhadap Pengujian Durability Slake Batulempung pada Formasi Balikpapan dan Formasi Kampung Baru Kabupaten Kutai Kartanegara Provinsi Kalimantan Timur
Muhammad Ashar Alias Suara
; Tommy Trides
; Rety Winonazada
; Revia Oktaviani
; Windhu Nugroho
; Lucia Litha Respati
; Henny Magdalena
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 3
, No 3
(2025)
Durability is defined as a measure of a rock's resistance to weathering and disintegration when the rock undergoes weathering processes over a short period of time. The susceptibility of rocks to disintegration is related to their low durability. Rock durability is often measured using the slake durability test. The slake durability test is widely used to assess physical changes resulting from wetting-drying processes (Franklin and Chandra, 1972). Therefore, slake durability testing is conducted...
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Studi Hubungan Nilai Uniaxial Compressive Strength dan Nilai Schmidt Hammer Batulempung pada Formasi Balikpapan dan Kampungbaru Daerah Kutai Kartanegara, Provinsi Kalimantan Timur
Amarullah Amarullah
; Albertus Juvensius Pontus
; Shalaho Dina Devy
; Revia Oktaviani
; Tommy Trides
; Rety Winonazada
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 3
, No 3
(2025)
Compressive strength is one of the mechanical properties of rock behavior. This study focuses on the Balikpapan and Kampungbaru Formations located in the Kutai Kartanegara area, East Kalimantan. The Schmidt Hammer testing method was applied due to the lack of previous studies utilizing this tool to evaluate rock hardness in correlation with compressive strength. The research site is situated in the Kutai Kartanegara area, specifically in the districts of Muara Badak, Muara Jawa, and Sanga-Sanga....
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Pengaruh Kadar Air terhadap Nilai Kuat Geser Batulempung pada Cekungan Kutai Menggunakan Metode Direct Shear di Provinsi Kalimantan Timur
Muhammad Rahul Shidiq
; Tommy Trides
; Albertus Juvensius Pontus
; Revia Oktaviani
; Ardhan Ismail
; Rety Winonazada
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 3
, No 3
(2025)
In the Kutai Basin area, seasonal changes such as high rainfall can significantly increase groundwater content, so that the effect of water content on the shear strength of claystone, increasing water content in rocks tends to decrease shear strength. Water in the pores or fractures can increase pore water pressure and reduce effective normal stress. Shear strength is one of the most important mechanical parameters used to assess soil and rock stability, this parameter is very important in slope...
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Studi kasus sistem penyaliran tambang batuabara pt bukit baiduri energi kabupaten kutai kartanegara provinsi kalimantan timur: -
Juan, Juan
; Shalaho Dina Devy
; Revia Oktaviani
; Tommy Trides
; Ardhan Ismail
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 3
, No 3
(2025)
The mining system applied by PT Bukit Baiduri Energi is an open pit mining system utilizing the open-pit method. The application of the open-pit method creates a depression that has a high potential to become a catchment area for both surface runoff and groundwater. In the mining pit of PT Bukit Baiduri Energi, there is a sump located at an elevation of -86 meters above sea level (mdpl). The planned mining boundary is at an elevation of -110 mdpl. Therefore, this research aims to determine the a...
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Evaluasi Unjuk Kerja Alat Gali-Muat pada Kegiatan Penambangan Batubara di PT. Insani Bara Perkasa Site Kam 11 Loajanan Kalimantan Timur
Ruslan Patur
; Harjuni Hasan
; Henny Magdalena
; Shalaho Dina Devi
; Ardhan Ismail
; Tommy Trides
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 3
, No 3
(2025)
This study aims to evaluate the performance of the loading and unloading equipment in coal mining activities at the Mahakam Pit, PT Insani Bara Perkasa Site Km 11, East Kalimantan. The research was motivated by the importance of achieving mechanical equipment performance standards according to the Decree of the Minister of Energy and Mineral Resources No. 1827 of 2018. Data were obtained through direct observation and analysis of actual working time and evaluation of operational constraint facto...
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