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All Journal Jurnal Pendidikan Geografi Undiksha Eksplorium : Buletin Pusat Pengembangan Bahan Galian Nuklir PROMINE Jurnal Geosains dan Teknologi
Rinal Khaidar Ali
Department Of Geological Engineering, Universitas Diponegoro Jl. Prof. Sudarto, SH, Tembalang, Semarang, Indonesia 50275
Earth & Planetary Sciences Education Energy Engineering Environmental Science Social Sciences

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Analisis Peningkatan Faktor Keamanan Lereng Pada Areal Bekas Tambang Pasir Dan Batu di Desa Ngablak, Kecamatan Cluwak, Kabupaten Pati Rinal Khaidar Ali; Najib Najib; Ahmad Nasrudin
PROMINE Vol 5 No 1 (2017): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (558.843 KB) | DOI: 10.33019/promine.v5i1.113

Abstract

Management of post mining land become serious concern for government in current time. Post miningarea that located in Ngablak village, Cluwak districts of Pati is one of post mining areas that did notmanaged and creates problems to civilian and village government, for example are safety andenvironment problems. Safety of environment disturbed because of mining activities that finished andcreated unstable slope (potentially landslide) caused by land dredging. To solve this problems,government need to make some research about stability of slope and studies about method ofanalysis which can increase the safety factor of slope. Slope stability analysis can be done with Side6.0 software which needs laboratory result data of soil mechanics. Methods that can increase slope’ssafety factor can be installation of retaining wall and cut and fill method that make the slope becometerraces. Efficiency of method that will be selected, can be tested by using Slide 6.0 software.Installation of retaining wall could increase the safety factor’s value become 1.103, this valuerepresents that the slope is still potentially to be landslide. However, cut and fill can increases safetyfactor’s value become 1.330, that representing slope condition is stable and safe.
Analisis Keamanan Tebing Pada Areal Bekas Tambang Di Desa Semaya, Kecamatan Randudongkal, Kabupaten Pemalang Rinal Khaidar Ali; Najib Najib; Adam Kahfi Mulyadi
PROMINE Vol 7 No 1 (2019): PROMINE
Publisher : Jurusan Teknik Pertambangan, Fakultas Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (334.261 KB) | DOI: 10.33019/promine.v7i1.1057

Abstract

Mining activities has become increasingly widespread in recent years, especially people’s mining, thatjust concerned about the result and not paying attention to the environmental factors.This is causedthe post mining area’s destruction and environmental degradation potential. For this reason, the slopesafety factor enhancement analysis on the post mining area in Semaya Village, Randudongkal Sub-District, Pemalang Regency is needed. Slope stability analysis using Slide 6.0 software to identify thecondition of post mining area from the results of undisturbed sample (UDS) laboratory data.Laboratory testing includes several aspects including water content, weight, specific gravity, grain size,atteberg limit test, and direct shear test. The value of the safety factor is 1,441, the value is in the safecategory because it passes the minimum value limit of the safety factor which is 1.25, this result isobtained from the terracing modeling.
Co-Authors Adam Kahfi Mulyadi Ahmad Nasrudin Bella Pratiwi Fauziah Ali Habib Rizki Maulana Ishak Eliezer Kurnia Fadhli Monalisa Isma Rikma Marani Muh. Mursaliin Muhammad Ainurrofiq Jamalulail Najib Najib Thomas Triadi Putranto, Thomas Triadi Tri Winarno Vanadia Martadiastuti Wahju Krisna Hidajat