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All Journal Jurnal Mineral, Energi dan Lingkungan Jurnal Mineral, Energi dan Lingkungan Prosiding Seminar Teknologi Kebumian dan Kelautan (SEMITAN
Ode, Dandi Gusti
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Earth & Planetary Sciences Energy Engineering Environmental Science

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PENGARUH PELAPUKAN TERHADAP KEKUATAN BATUAN ANDESIT Tamanak, Melkianus .A; Berhitu, Theo; Ode, Dandi Gusti; Cahyono, Yudho Dwi Galih
Prosiding Seminar Teknologi Kebumian dan Kelautan Vol 2, No 1 (2020)
Publisher : Prosiding Seminar Teknologi Kebumian dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (553.078 KB)

Abstract

Batuan adalah kompleks atau kumpulan dari mineral sejenis atau tidak sejenis yang terikat secara gembur ataupun padat. Ada beberapa jenis batuan salah satu batuan yaitu batuan andesit dimana batuan ini merupakan salah satu jenis batuan beku. Batuan andesit merupakan batuan intermediet yang terjadi hasil pendinginan magma pada permukaan bumi ataupun aktivitas gunung api akibat perbedaan suhu pada saat pendinginan. Ada beberapa faktor yang dapat mempengaruhi kekuatan batuan diantaranya adalah faktor pelapukan batuan. Pada penelitian ini bertujuan untuk menganalisis perbandingan kekuatan batuan andesit fresh atau yang belum dipengaruhi oleh pelapukan dan batuan andesit lapuk atau yang sudah di pengaruhi oleh pelapukan. Penelitian ini dilakukan dengan metode pengamatan di lapangan secara langsung dan di laboratorium untuk pengujian kuat tekan dengan menggunakan UCS (Uniaxial Compressive Strength). Beberapa sampel batuan andesit yang di ambil dari bekas tambang batu pasir di Desa Manduro, Kecamatan Ngoro, Kabupaten Mojokerto, Provinsi Jawa Timur. Berdasarkan pengujian UCS di peroleh hasil kuat tekan batuan pada sampel batuan andesit lapuk 01 sebesar 42,35 MPa, sampel 02 sebesar 41,07 MPa, sampel 03 sebesar 39,12. Sedangkan hasil kuat tekan batuan pada sampel batuan andesit fresh 01 sebesar 115,15 MPa, sampel 02 sebesar 72,73 MPa, sampel 03 sebesar 78,24 MPa. Dari hasil tersebut dapat di simpulkan bahwa perbedaan nilai kuat tekan pada batuan andesit dapat dipengaruhi oleh pengaruh pelapukan.
Slope Stability Analysis and Disposal Geometry Design Based on Saturation Level at PT. Prolindo Cipta Nusantara Cahyono, Yudho Dwi Galih; Ode, Dandi Gusti; Saputro, Eko Budi
Jurnal Mineral, Energi dan Lingkungan Vol 8 No 2 (2024): Jurnal Mineral, Energi dan Lingkungan Volume 8, No. 2 Tahun 2024
Publisher : Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmel.v8i2.13197

Abstract

Prolindo Cipta Nusantara Ltd. location is on Sebamba Baru Village, Sungai Lobam. Tanah Bambu, South Kalimantan and it had land permitted around 350 hectares. This company is engaged in the coal mining business. In the beginning of mining process is stripping the overburden and disposal is required to accommodate overburden materials from pit. The method used to determine and analyze the problems in this study was boundary equilibrium method assisted by Side 6.0 software to make disposal slope modeling and analyze disposal slope safety factor. The result was making recommendation for safe and stable disposal to accommodate overburden materials from pit. The recommended disposal slope was disposal slope design in natural condition with a single slope geometry, 10 meters for the height, and 35 degrees for a slope angle. The overall slope geometry had a height of 90 meters and a slope angle of 10 degrees and it produced a safety factor value of 1,302 and the disposal slope design in a saturated condition with a single slope geometry was 10 meters high and 30 degrees for a slope angle. The height of overall slope geometry was 84 meters and tilt angle was 9 degrees and it produced a safety factor value of 1.257.
Slope Stability Analysis and Disposal Geometry Design Based on Saturation Level at PT. Prolindo Cipta Nusantara Cahyono, Yudho Dwi Galih; Ode, Dandi Gusti; Saputro, Eko Budi
Jurnal Mineral, Energi dan Lingkungan Vol 8 No 2 (2024): Jurnal Mineral, Energi dan Lingkungan Volume 8, No. 2 Tahun 2024
Publisher : Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmel.v8i2.13197

Abstract

Prolindo Cipta Nusantara Ltd. location is on Sebamba Baru Village, Sungai Lobam. Tanah Bambu, South Kalimantan and it had land permitted around 350 hectares. This company is engaged in the coal mining business. In the beginning of mining process is stripping the overburden and disposal is required to accommodate overburden materials from pit. The method used to determine and analyze the problems in this study was boundary equilibrium method assisted by Side 6.0 software to make disposal slope modeling and analyze disposal slope safety factor. The result was making recommendation for safe and stable disposal to accommodate overburden materials from pit. The recommended disposal slope was disposal slope design in natural condition with a single slope geometry, 10 meters for the height, and 35 degrees for a slope angle. The overall slope geometry had a height of 90 meters and a slope angle of 10 degrees and it produced a safety factor value of 1,302 and the disposal slope design in a saturated condition with a single slope geometry was 10 meters high and 30 degrees for a slope angle. The height of overall slope geometry was 84 meters and tilt angle was 9 degrees and it produced a safety factor value of 1.257.
Co-Authors Berhitu, Theo Saputro, Eko Budi Tamanak, Melkianus .A