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All Journal APLIKA Jurnal Ilmu Pengetahuan dan Teknologi Journal of Degraded and Mining Lands Management Jurnal Chemurgy JOURNAL SCIENTIFIC OF MANDALIKA (JSM) Jurnal Sosial dan Teknologi Baselang: Jurnal Ilmu Pertanian, Peternakan, Perikanan dan Lingkungan Dinamika Lingkungan Indonesia Journal Transformation of Mandalika Journal of Comprehensive Science MINERAL Nusantara Civil Engineering Journal Jurnal Inovasi Global JURNAL TEKNOLOGI MINERAL FT UNMUL ANDIL Mulawarman Journal of Community Engagement Journal of Media, Sciences and Education
Harjuni Hasan
Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Mulawarman
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Disposal slope design based on low-plasticity rock’s shear strength in coal mining activities Hasan, Harjuni; Oktaviani, Revia; Trides, Tommy; Sinaga, Dionisyus Fransiskus
Journal of Degraded and Mining Lands Management Vol. 10 No. 1 (2022)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2022.101.3821

Abstract

Slope stability is the primary factor in designing a stable slope. The strength of the disposal slope relies on the characteristic of the dump materials. The rock shear strength denotes rock ability to withstand the burden, both constant and dynamic load. The weakest material used as a reference in designing the disposal slope is siltstone in Pulaubalang formation (location-04). The safety value in Location 04 and 02 tend to drop quickly as the inclination increase, while the safety in location 01 and 03 tend to fall slowly. This indicates that rocks with a lower plasticity index tend to be stronger in steeper slope conditions. The slope geometry was designed to be 10, 15, 20, and 25 meters high with a slope angle of 10o, 15o, 20o, 25o, 30o, 35o, 40o, 45o, 50o, 55o, and 60o. The slope geometry is considered stable and safe. However, this study suggests that the most effective slope design is the slope with 25 meters high, overall slope of 25,3o; the single slope of 35o; berm width 4,66 meters, bench height of 5 meters, with the safety factor value of 4.30 (SF= 4.30).
Co-Authors Adeliana Khairunisa, Aji Agus Winarno Agus Winarno Agus Winarno Agus Winarno, Agus Aipassa, Marlon Ivanhoe Akbar Ilham Albertus Juvensius Pontus Alfiyanda, Ahmad Aprisal Aprisal Azzahra, Siti Maghfirah Bandaso, Surya Daniel Tarigan Dina Devy, Shalaho Dionisyus Fransiskus Sinaga Donal Donal Donal, Donal Edhi Sarwono Gerry Tri Virgin Gina Saptiani Graciella Jacob Hafiz Saputra Hamdhani, Hamdhani Hamzah Umar Henny Magdalena Henny Magdalena Hikmawati Ibrahim Ibrahim Ibrahim Ibrahim Irvantoni Simbolon, Desron Jawatir Pardosi Jumsar A Kusnanto, Fransiska Angelina Lhita Respati, Lucia Litha Respati, Lucia Lucia Litha Respati Lumban Tobing Bill Rexy M. Rijal, M. Magdalena, Heny Mayleni Bidang Megawati AP Milda Milda Miranda, Virgita Mushawir Mushawir Mustakim, Mohammad Narius , Nugroho, Windhu Nurfaysa Reonaldo Purba Respati, Lucia Litha Revia Oktaviani Rinto Syahreza Pahlevi Saeppudin, Ahmad Sakdillah Sakdillah A Sandri Tandi Rapang Sariyadi, Sariyadi Satriana Aulia, Andi Shalaho Dina Devy Sinaga, Dionisyus Fransiskus Sitepu, Joe Vandame Tommy Trides Tommy Trides Tommy Trides Toni, Toni Trides, Tommy Vandrianus Felix Feto Nuwa Wahyu Garini, Andini Dwi Warman, Neni Windhu Nugroho windhu Wiradhana, Ni Made Ayu Dwi Kartika Yauri Imanuel Tobak Yufita, Zaenul Yunianto Setiawan, Yunianto Zainuddin, Zainuddin