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All Journal JOURNAL OF CIVIL ENGINEERING, BUILDING AND TRANSPORTATION Jurnal Sains dan Teknologi
Theresia Maria C.A.
Institut Teknologi Adhi Tama Surabaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Dentistry Electrical & Electronics Engineering Energy Engineering Health Professions Industrial & Manufacturing Engineering Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Veterinary

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Analisis Komparatif Sensitivitas Metode Mekanistik-Empiris dan Empiris dalam Penentuan Ketebalan Perkerasan Kaku Lalu Lintas Berat Irvan Efendi; Kurnia Hadi Putra; Ratih Sekartadji; Theresia Maria C.A.
INSOLOGI: Jurnal Sains dan Teknologi Vol. 5 No. 2 (2026): April 2026
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/insologi.v5i2.7963

Abstract

This study analyzes the design of rigid pavement thickness on the Dawarblandong road segment using four planning methods: MDPJ 2024, MDPJ 2017, Pd T-14-2003, and AASHTO 1993. Traffic load data and subgrade soil conditions were used to calculate the concrete slab thickness and foundation layers according to each method’s procedure. The results show that the MDPJ 2024 and MDPJ 2017 methods yield concrete slab thicknesses of approximately 305–310 mm using a mechanistic-empirical approach and cumulative traffic load values, while the Pd T-14-2003 and AASHTO 1993 methods produce thinner slabs of 175 mm and 210 mm, respectively, using simpler empirical approaches. These differences indicate that methods incorporating mechanistic analysis of fatigue and erosion damage provide more conservative and safer designs. Reinforcement configuration and slab dimensions are relatively consistent across all methods, though foundation layer thickness and damage control differ. The findings can serve as a reference for selecting concrete pavement design methods that align with traffic conditions and structural safety requirements. Further research is recommended to evaluate field performance and develop integrated design methods.
Performance Comparison of Signal Timing Optimization and Underpass at Ahmad Yani Signalized Intersection Miftakul Ma’arif; Kurnia Hadi Putra; Ratih Sekartadji; Theresia Maria C.A.
JOURNAL OF CIVIL ENGINEERING BUILDING AND TRANSPORTATION Vol. 10 No. 2 (2026): JCEBT SEPTEMBER
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jcebt.v10i2.18302

Abstract

Traffic congestion at signalized intersections has become a major challenge in urban transportation, particularly at intersections affected by heavy traffic demand and railway crossing operations. This study evaluates the operational performance of the Ahmad Yani–Margorejo Indah signalized intersection in Surabaya and compares the effectiveness of two traffic engineering alternatives: signal timing optimization and underpass construction. The analysis was conducted using the 2023 Indonesian Highway Capacity Guidelines (PKJI 2023) based on intersection geometry, peak-hour traffic volume, vehicle composition, roadside friction, signal timing, and railway crossing characteristics. The existing condition indicated oversaturated traffic flow with a maximum degree of saturation of 1.56 during the evening peak hour, resulting in excessive delays, long vehicle queues, and Level of Service (LOS) F. Signal timing optimization improved traffic performance by redistributing effective green times among signal phases; however, several approaches remained oversaturated. In contrast, the underpass alternative significantly reduced traffic conflicts, increased roadway capacity, lowered the degree of saturation, and virtually eliminated intersection delays. The findings demonstrate that underpass development provides the most effective long-term solution for improving intersection performance under high traffic demand. This study contributes practical insights for selecting appropriate traffic engineering strategies for complex urban signalized intersections.
Co-Authors Irvan Efendi Kurnia Hadi Putra Miftakul Ma’arif Sekartadji, Ratih