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All Journal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil
Bayu Martanto Adji
Civil Engineering Department; Universitas Andalas; Padang, Sumatera Barat, Indonesia
Civil Engineering, Building, Construction & Architecture Transportation

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Model of Landslide Mitigation using Analytical Hierarchy Process (AHP) in Kubang Tangah Area, Sawahlunto, West Sumatra Farid Akmal; Andriani Andriani; Bayu Martanto Adji
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 14 No 1 (2026): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (January 2026)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v14i1.11327

Abstract

The Kubang Tangah area in Sawahlunto, West Sumatra, has a high risk of landslides due to steep topography, high rainfall, and human activities that affect slope stability. This study aims to determine effective landslide mitigation strategies using the Analytical Hierarchy Process (AHP) method involving ten disaster experts. The three stages of mitigation analyzed include before, during, and after the disaster. The results of the investigation showed that several slope points had safety factor values below 1.25, indicating that the research location was prone to landslides. The AHP analysis produced mitigation priority weights: pre-disaster mitigation (0.41), during-disaster mitigation (0.39), and post-disaster mitigation (0.20). The main strategies prioritized in the pre-disaster stage were reforestation, construction of slope drainage systems, and determination of landslide-prone zones in spatial planning. This approach provides priority recommendations to support more targeted and efficient mitigation planning in Kubang Tangah. For the total weight, the highest mitigation value was obtained, namely, victim evacuation and repair of facilities and infrastructure (12.519), creation of evacuation routes (11.934), and determination of assembly points (10.413).
Co-Authors Andriani Andriani Farid Akmal