Ahmad, Zaenudin and Ilham, Dani (2019) Pemodelan 2D dan 3D Geolistrik Tomografi untuk Interpretasi Bidang Gelincir dan Arah Aliran Air Pada Struktur Bawah Permukaan Rel Kereta Api di Baturaja, Sumatera Selatan. Wahana Fisika, 4 (2). pp. 104-110. ISSN 2594-1989
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Abstract
Monitoring the subsurface conditions of a railroad is an essential part of the railroad system operations. This study intends to delineate the subsurface layers of the railroad tracks, that often shifts and slides, by using the dipole-dipole geoelectric method. The 2D and 3D geoelectric modeling are implemented to determine the sliding surface and the direction of water flow. The 2D model can identify three main layers, which are the soil pavement layer at the top, the layer with low resistivity (4-60 Ohm.meter) and the bedrock layer (100-500 Ohm.meter). A layer with low resistivity is thought to contain water as a cause of the landslides. The boundary plane of this layer is covered by bedrock at a depth of 5-17 meters, which is thought to be a sliding surface. The 3D model can delineate the direction of water flow below the surface of the railroad tracks, i.e., the Northeast-Southwest direction across the bottom of the railroad tracks.
| Item Type: | Article |
|---|---|
| Subjects: | Q Science > QC Physics Q Science > QE Geology |
| Divisions: | Fakultas Teknik (FT) > Prodi Teknik Geofisika |
| Depositing User: | AHMAD ZAENUDIN ZAENUDIN |
| Date Deposited: | 20 May 2020 02:54 |
| Last Modified: | 20 May 2020 02:54 |
| URI: | http://repository.lppm.unila.ac.id/id/eprint/20185 |
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