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Menampilkan 1–10 dari 21 artikel
Analisis Karakteristik Tanah Berdasarkan Uji Lapangan Sondir (Cone Penetration Test) & Uji Laboratorium pada PIT North PT Karya Putra Borneo
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
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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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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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
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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Pengaruh Ukuran Butir Batupasir terhadap Kekuatan dan Ketahanan Batuan pada Formasi Balikpapan dan Pulau Balang
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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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 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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Studi Penggunaan Counterweight sebagai Penanggulangan Longsor pada Lereng Disposal di Pit 302 PT Jembayan Muarabara Kecamatan Marangkayu Kabupaten Kutai Kartanegara Provinsi Kalimantan Timur
Tommy Aria Pradana
; Tommy Trides
; Windhu Nugroho
; Revia Oktaviani
; Albertus Juvensius Pontus
; Ardhan Ismail
; Rety Winonazada
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 3
, No 3
(2025)
Disposal area is an area at an open pit mine that is used as a place to store or dispose of worthless materials. Disposal must also follow the specified safety factor standards, if the disposal design is not safe after being analyzed by a geotechnical engineer, the design must be redesigned to achieve the desired safety factor value. One way to increase the fk value is to make a Counterweight plan in making disposal. Where Counterweight is a fill material that is made with special treatment so t...
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Analisis Perbandingan Optimasi Pit 24 dengan Metode Lerch Grossman 2D terhadap Estimasi dari Software Minescape di PT Indominco Mandiri (IMM), Kabupaten Kutai Timur, Provinsi Kalimantan Timur
Globe: Publikasi Ilmu Teknik, Teknologi Kebumian, Ilmu Perkapalan
Vol 3
, No 3
(2025)
An open pit exploitation activity will become less effective and cause production to not run well, resulting in the failure to meet production targets at PT. Indominco Mandiri. Therefore, to achieve production targets and obtain more optimal results, we need to plan the Design Pit Limit. The purpose of this research is to optimize the pit, find the BESR value, and compare the differences between two methods. The Lerch Grossman 2D algorithm method is believed to be able to determine the optimal p...
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