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All Journal Rekayasa Sipil Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT) Paulus Civil Engineering Journal Cerdika: Jurnal Ilmiah Indonesia Jurnal Sosial dan Teknologi Terapan AMATA
Pebrinar Riani Sangle
Universitas Kristen Indonesia Paulus
Humanities Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Public Health Social Sciences Transportation

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Analisis Kinerja Lampu Lalu Lintas Pada Persimpangan Jalan Hasanuddin–Jalan W.R Supratman Timika–Papua Tengah Frederik Irsan Delu; Pebrinar Riani Sangle; Ayu Kusuma
Paulus Civil Engineering Journal Vol. 7 No. 3 (2025): Paulus Civil Engineering Journal V7N3 2025
Publisher : Universitas Kristen Indonesia Paulus

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52722/jrns0k02

Abstract

Titik sentral lalu lintas adalah simpang yang dilengkapi lampu lalu lintas, terletak di pertemuan jalan. Pentingnya lampu lalu lintas pada setiap persimpangan agar kendaraan dapat dengan mudah melalui persimpangan dan mencegah atau mengurai kemacetan.  Penelitian ini bertujuan untuk menganalisis simpang jalan Hasanuddin-W. R Supratman berdasarkan metode MKJI 1997. Hasil penelitian diperoleh data maksimum satuan mobil penumpang perjam adalah 607,3 smp/jam, nilai ini masih berada dibawah ambang batas yang dianjurkan oleh MKJI 1997, dimana nilainya antara 2500-5400 smp/jam. Dari hasil analisis dapat disimpulkan bahwa jalan Hasanuddin - jalan W R Supratman belum layak menggunakan simpang bersinyal.
Comparison of Safety Factor Using the Finite Element Method and The Janbu Method (Case Study: Morowali Regency) Sangle, Pebrinar Riani; Tonapa, Suryanti Rapang; Pakalla, Larawati
Rekayasa Sipil Vol. 20 No. 2 (2026): Rekayasa Sipil Vol. 20 No. 2
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rekayasasipil.2026.020.02.4

Abstract

Slope stability is a problem often encountered in construction activities, including mining and civil engineering. Slope stability analysis can be performed using various methods, such as the limit equilibrium method (LEM) and the finite element method (FEM). The objective of this study is to analyze slope stability in Morowali Regency. The method used is finite element analysis using Plaxis software version 8.2.  Furthermore, the analysis is conducted using the limit equilibrium method (LEM), which is the Janbu method. The results of the study show that the safety factor (SF) obtained from the analysis using Plaxis version 8.2 was 1.219, while that based on the Janbu method was 1.376. The differences in results show that the two methods use different approaches in calculating slope stability. The Janbu method evaluates slope stability based on force equilibrium, assuming a specific landslide plane, and does not consider stress-strain development. In contrast, FEM uses the Strength Reduction Method, which can more realistically represent stress redistribution, plastic zone development, and collapse mechanisms. As a result, FEM safety factor values tend to be smaller. The results of this study indicate that the FEM method provides a more realistic failure mechanism for slope stability than the LEM method. Despite the difference in values, both methods show consistent stability trends, so it can be concluded that FEM and the Janbu Method can be used complementarily in slope stability evaluation.
Co-Authors Aprilia Getruda Rumngewur Ayu Kusuma Charles Kamba Delu, Frederik Irsan Desi Sandy Febriani, Lisa Frederik Irsan Delu Irwan Lie Keng Wong Karel Tikupadang Karurukan, Leonard Zeth Leonard Zeth Karurukan Pakalla, Larawati Sindy Banna’ Pilo Suryanti Rapang Tonapa Wong, Irwan Lie Keng Yeryel Enrigue