2022
DOI: 10.33536/jg.v10i2.1178
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Analisis Kestabilan Lereng pada Pit Bengkirai Tambang Terbuka Batubara di PT Guruh Putra Bersama Site Gunung Sari Kecamatan Tabang Kabupaten Kutai Kartanegara Kalimantan Timur

Abstract: PT Guruh Putra Bersama (GPB) merupakan salah satu perusahaan tambang yang berkiprah di bidang pertambangan batubara yang menerapkan sistem penambangan tambang terbuka dengan metode open pit dan berlokasi pada site Gunung Sari Kecamatan Tabang Kabupaten Kutai Kartanegara Provinsi Kalimantan Timur memiliki luas IUP 3.205 ha. Dalam kegiatan penambangan tambang terbuka, kestabilan lereng menjadi permasalahan yang perlu diperhatikan terhadap kegiatan penambangan yang beroperasi setiap harinya. Kondisi geometri lere… Show more

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“…The slope geometry measured at the site is the length of the slope, the angle of the slope, and the strike/dip of the slope. The results of the calculation of the slope height are as follows: The greater the slope and the height of the slope, the worse the slope stability (Bria and Isjudarto, 2015). The greater the angle of the slope, the greater the thrust and the smaller the resisting force (Bria and Isjudarto, 2015).…”
Section: Slope Stability A) Slope Geometrymentioning
confidence: 99%
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“…The slope geometry measured at the site is the length of the slope, the angle of the slope, and the strike/dip of the slope. The results of the calculation of the slope height are as follows: The greater the slope and the height of the slope, the worse the slope stability (Bria and Isjudarto, 2015). The greater the angle of the slope, the greater the thrust and the smaller the resisting force (Bria and Isjudarto, 2015).…”
Section: Slope Stability A) Slope Geometrymentioning
confidence: 99%
“…In addition, water flows that flow at several points on the slope of pit 2 (two). Internal factors such as geological conditions, joints, slope geometry, water conditions below the soil surface, and physical and mechanical properties of rocks affect slope stability (Azizi et al, 2012;Batali and Andreea, 2016;Andriani et al, 2017;Bria and Isjudarto, 2015;Juwinda, 2019;Awal et al, 2020;Murniati et al, 2020;Ma'reif et al, 2022;). External factors that affect slope stability in mining activities are vibrations due to breaker tools used to break rocks near the cliffs or pit 2 (two) slopes, blasting and excavation activities, and external forces acting on these slopes (Juwinda, 2019;Murniati et al., 2020;Ma'reif et al, 2022).…”
Section: Introductionmentioning
confidence: 99%
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