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All Journal Jurnal Teknologi Berkelanjutan Jurnal Flyover
Damayanti, Reny Khairina
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Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Materials Science & Nanotechnology Transportation

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Evaluasi Tingkat Kerentanan Lereng Jalan dengan Metode Analytical Hierarchy Process (AHP): Studi Kasus: Ruas Lintas Utara Jalan Nasional Provinsi Gorontalo Damayanti, Reny Khairina; Massara, Asma; Syafei, Ilham
Jurnal Flyover Vol. 5 No. 1 (2025): Februari - Juli
Publisher : Magister Teknik Sipil PPs UMI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52103/jfo.v5i1.2164

Abstract

Stabilitas lereng jalan merupakan aspek penting dalam pembangunan infrastruktur transportasi. Kegagalan lereng dapat menyebabkan kerusakan infrastruktur, gangguan lalu lintas, dan bahkan menimbulkan risiko keselamatan. Penanganan lereng telah menawarkan banyak metode dengan biaya yang relatif berbeda. Oleh karena itu, pemilihan metode perkuatan lereng yang efektif dan efisien menjadi sangat penting. Penelitian ini bertujuan untuk mengidentifikasi tingkat kerentanan lereng jalan, mengevaluasi kinerja berbagai metode perkuatan lereng jalan dan melakukan pengambilan keputusan dengan menggunakan pendekatan Multi Criteria Decision Making (MCDM). Metode analisis yang digunakan adalah dengan menggunakan Analytical Hierarchy Process (AHP) untuk mengenalisis penentuan tingkat kerentanan lereng Data penelitian dikumpulkan melalui studi literatur dan survei lapangan. Hasil penelitian menunjukkan bahwa tingkat kerentanan lereng jalan di lokasi penelitian bervariasi yaitu: kategori Sangat Rendah sebanyak 5 titik (13,51%), Rendah sebanyak 10 titik (27,03%), Sedang sebanyak 8 titik (21,62%), Tinggi sebanyak 11 titik (29,73%), dan Sangat Tinggi sebanyak 3 titik (8,11%).
Cost-Effectiveness Ratio (Cer) Pembangunan Bangunan Perlindungan Lereng Utama, Komang Arya; Dwianto, Dwianto; Damayanti, Reny Khairina
Jurnal Teknologi Berkelanjutan Vol 14 No 02 (2025): Vol 14 No. 02
Publisher : Lambung Mangkurat University Press

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Abstract

The construction of slope protection is an essential measure for maintaining soil stability and infrastructure integrity in landslide-prone areas. However, cost efficiency often becomes a point of contention due to variations in construction treatment types, geotechnical conditions, execution methods, and material selection. This study aims to analyze the cost-effectiveness of various slope reinforcement alternatives using the Cost-Effectiveness Ratio (CER) approach. The analysis was conducted on three critical slope locations along the national road sections of Gorontalo Province: Sta. 32+140, Sta. 34+340, and Sta. 5+540. Numerical simulations using Plaxis 8.2 software were employed to calculate the Safety Factor (SF) under both static and dynamic conditions. The results indicate that the implementation of slope protection measures increased the SF values by 30–73% (static) and 3–24% (dynamic). CER values demonstrated efficiency variations ranging from 3.7% to 54.68%, with the combination of retaining walls and bored piles yielding the highest cost-effectiveness. This study emphasizes the importance of design selection based on cost-effectiveness analysis in planning landslide mitigation for national roads to achieve effective and efficient designs.
Co-Authors Dwianto, Dwianto Komang Arya Utama Massara, Asma Syafei, Ilham