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All Journal Journal of Degraded and Mining Lands Management Jurnal Geosaintek
Muhammad Altin Massinai
Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences

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Slope stability analysis by integration of seismic refraction method and geotechnical soil testing: Case study of landslide in Bulobulo Village, Barru Regency, Indonesia Sam, Dwi Nurfajriana; Massinai, Muhammad Altin; Pramatadie, Andi Muhamad
Journal of Degraded and Mining Lands Management Vol. 12 No. 3 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2024.123.7779

Abstract

This research investigated slope stability issues in Bulobulo Village, Barru Regency in Indonesia, which is known to experience very high landslide occurrences, particularly in steep slopes with seasonally altered overburden rocks through refraction seismic method and geotechnical analysis. This study conducted mechanical and physical soil tests in the laboratory, and the geophysics study investigated subsurface configuration. The set of data collected also reflected some seismic velocity anomalies, which are signs of variations in the arrangement of the substructure. A geotechnical investigation of the slope showed low cohesiveness and high water content, which were detrimental to stability. The factor of safety (FoS) calculated using the limit equilibrium technique established some slopes as being in a critical state and, hence, at risk of landslides. Such integration of methods allows one to make data-driven proposals for landslide prevention and provides a comprehensive comprehension of slope performance.
Analisis Frekuensi Data Seismik Hasil Migrasi Finite Difference Jamaluddin, Jamaluddin; Sea, Johanes Gedo; Djajadihardja, Yusuf Surachman; Massinai, Muhammad Altin; Aswad, Sabrianto; Maria, Maria
Jurnal Geosaintek Vol. 5 No. 3 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

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Abstract

Finite difference migration is one of the migration algorithms that uses the principle of downward continuation and upcoming waves which are solved numerically with finite difference. This migration in ProMAX software has various algorithms depending on the numerical solution used. From each finite difference migration algorithm this shows a significant difference in the frequency produced. Migration with the explicit finite difference algorithm shows better frequency results than the Implicit Finite Difference algorithm.
Penentuan Arah Tegasan Pembentuk Kekar Menggunakan Diagram Rosette (Studi Kasus Daerah Pattongtongan, Sulawesi Selatan) Jariah, Dewi Ainun; Luthfia, Ismira; S, Nurita Dwi Puspita; Syam, Muh. Rexy; Frindy R, Deviana; Hamdah, Hanifah; Pertiwi K, Nuraisyiah; Rahman, Muh. Fazlur; Maesalangi, William; Massinai, Muhammad Altin; Massinai, Muhammad Fawzy Ismullah
Jurnal Geosaintek Vol. 5 No. 1 (2019)
Publisher : Institut Teknologi Sepuluh Nopember

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Abstract

Struktur geologi adalah gambaran bentuk arsitektur batuan penyusunan kerak bumi akibat sedimentasi dan deformasi. Dalam melakukan identifikasi geologi suatu wilayah, salah satu faktor utama yang harus dipertimbangkan adalah struktur geologi, yang umumnya mengacu kepada data-data primer berupa data observasi lapangan maupun data sekunder. Penelitian yang dilakukan di Desa Pattontongan Kecamatan Mandai Kabupaten Maros Sulawesi Selatan ini mengkhususkan pada penentuan arah tegasan utama di daerah tersebut. Penelitian ini menggunakan data lapangan berupa data strike dan data dip. Penentuan arah tegasan dengan analisis kekar menggunakan analisa Diagram Rosette. Hasil yang didapatkan berupa arah tegasan maksimum berarah timur laut-barat daya. Hal ini disebabkan proses pembentukan kekar pada Desa Pattongtongan dipengaruhi proses vulkanisme pada pembentukan Formasi Camba.
Co-Authors Frindy R, Deviana Hamdah, Hanifah Jamaluddin Jamaluddin Jariah, Dewi Ainun Luthfia, Ismira Maesalangi, William Maria Maria Muhammad Fawzy Ismullah Massinai Pertiwi K, Nuraisyiah Pramatadie, Andi Muhamad Rahman, Muh. Fazlur S, Nurita Dwi Puspita Sabrianto Aswad, Sabrianto Sam, Dwi Nurfajriana Sea, Johanes Gedo Syam, Muh. Rexy Yusuf Surachman Djajadihardja, Yusuf Surachman