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Evaluasi Stabilitas Lereng Menggunakan Metode Fellenius dan Software Plaxis (Studi Kasus: Ruas Jalan Simpang Kumpulan-Simpang Taman Km. 102+100, Kabupaten Agam) Dellarosa Finnanda; Syahril Rahmat; Juniman Silalahi; Agri Americo Agamuddin
HORIZON: Indonesian Journal of Multidisciplinary Vol. 4 No. 3 (2026): HORIZON: Indonesian Journal of Multidisciplinary
Publisher : Lembaga Intelektual Muda (LIM) Maluku

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54373/hijm.v4i3.5571

Abstract

Road on Simpang Kumpulan–Simpang Taman section at Km. 102+100 in Agam Regency is one of the vital transportation routes in West Sumatra that frequently experiences disruptions due to landslides. This study aims to evaluate the stability of the existing slope at the location. The evaluation was carried out using two approaches: manual calculation using the Fellenius Method and numerical analysis using Plaxis 2D software. Research data were obtained from field soil testing (N-SPT) and the geometry of the existing slope. The analysis results indicate that the existing slope is in an unstable condition. The Factor of Safety (FS) of the existing slope using the manual Fellenius Method was 0.9, while the analysis using Plaxis 2D yielded 1.167. Both values are below the minimum requirement specified by SNI 8460:2017 (FS ≥ 1.5). This study also compares the results of manual calculations and numerical analysis, which show reasonably good agreement. The findings of this research are expected to provide recommendations regarding the safety level of slopes in landslide-prone areas and serve as a consideration for slope stabilization efforts in Agam Regency.
Effectiveness of Earthquake-Resistant Housing Training in Enhancing Disaster Mitigation Understanding among Vocational School Teachers Laras Oktavia Andreas; Fitra Rifwan; Agri Americo Agamuddin; Fani Keprila Prima; Annisa Prita Melinda
Jurnal Pendidikan Teknik Sipil Vol. 7 No. 2 (2025): November
Publisher : Universitas Negeri Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21831/jpts.v7i2.92444

Abstract

Background: Several studies indicate that teachers still have limited comprehension of reinforcement detailing, structural behaviour, and the application of SNI 1726:2019 and SNI 2847:2019. These limitations highlight the need for practical, hands-on training that strengthens both conceptual knowledge and technical construction skills, particularly for simple residential structures that frequently experience seismic damage. Methods: This study employed a descriptive qualitative approach to analyse the implementation and results of socialization activities and training on earthquake-resistant housing for teachers in the construction and property engineering department at SMK Negeri 1 Padang. Data collection was conducted through direct conceptual socialization, documentation, cici4d and participant engagement notes. The training consisted of conceptual socialization, demonstrations of the use of structural teaching aids such as a type 36 house model and reinforcement assemblies, hands-on practice, and field simulations designed to connect theoretical concepts with real-world practice. Results: The result of this study indicates that the practice-oriented training model is a valuable strategy to improve the competence and teaching skills of vocational teachers in earthquake-resistant housing construction and is proven to be effective in strengthening their contribution to disaster mitigation efforts. Conclusion: The training activity significantly improved teachers’ understanding of building structural components, reinforcement techniques, and basic load flow mechanisms in earthquake-resistant housing construction. Teachers’ active involvement in concepts and enabling them to apply construction principles in accordance with SNI. The collaborative learning environment provided a platform for the exchange of experiences among cici4d teachers, and field simulations also strengthened the connection between theoretical understanding and field processes.