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Direktorat Bina Teknik Jalan dan JembatanDirektorat Jenderal Bina MargaKementerian Pekerjaan Umum dan Perumahan RakyatJl. A.H Nasution No.264 Bandung 40294 Telp. (022) 7802251
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INDONESIA
Jurnal Jalan Jembatan
Published by Direktorat Bina Teknik Jalan dan Jembatan
ISSN : 19070284     EISSN : 25278681     DOI : -
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Jurnal Jalan-Jembatan adalah wadah informasi bidang Jalan dan Jembatan berupa hasil penelitian, studi kepustakaan maupun tulisan ilmiah terkait yang meliputi Bidang Bahan dan Perkerasan Jalan, Geoteknik Jalan, Transportasi Dan Teknik Lalu-Lintas serta Lingkungan Jalan, Jembatan dan Bangunan Pelengkap Jalan.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 602 Documents
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PENGGUNAAN BIJI PLASTIK LOW DENSITY POLYETHYLENE (LDPE) PADA CAMPURAN BERASPAL AC - BASE Azhar, Febiansyah; Permana, Rinto; Aisyah, Linda; Pradityo, Ardianto Tri
Jurnal Jalan Jembatan Vol 42 No 2 (2025)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v42i2.1400

Abstract

Roads are one of the key infrastructures supporting public mobility. However, road conditions in Indonesia still face various issues, one of which is the frequent occurrence of road damage even before reaching the planned service life. This damage is generally caused by the insufficient stability of asphalt mixtures, which prevents pavement layers from optimally withstanding traffic loads. One type of asphalt mixture that can address this issue is AC-Base, which functions as a supporting layer beneath the surface layer and transfers traffic loads to the subgrade. Therefore, additive materials are needed to improve the stability and durability of the AC-Base mixture. One of the additives used in this study is LDPE plastic pellets, as previous research has shown that LDPE can improve the properties of asphalt mixtures, particularly stability. However, further research is required regarding the use of LDPE plastic pellets to acknowledge the effect of the use of Low-Density Polyethylene (LDPE) plastic pellets on the characteristics of an AC-Base mixture, and to obtain the LDPE optimum content with various content levels, namely 2%, 4%, 6%, and 8% by weight of asphalt. Based on the experimental results, the LDPE plastic pellet content that met the specified criteria was 2%. The comparison between the control AC-Base mixture and the modified AC-Base mixture with 2% LDPE pellets and AC-Base mixture modified with LDPE plastic pellets on the optimum content of asphalt at 4,5% showed an increase in density from 2.33 gr/cm³ to 2.35 gr/cm³ and residual stability from 90.24% to 91.08%. However, several other parameters decreased slightly: VIM from 3.18% to 3.16%, VMA from 14.13% to 13.56%, VFB from 83.49% to 82.15%, and stability from 1856.33 kg to 1839.34 kg. This research contributes to the development of more sustainable pavement material by utilising polymer waste for asphalt mixture engineering. Kata Kunci: AC-Base, Plastik LDPE, Stabilitas, Volumetrik Aspal, Kadar Optimum Plastik LDPE Keywords: AC – Base, LDPE Plastic, Stability, Asphalt Volumetric, Optimum LDPE Plastic Content
ANALISIS EFEKTIVITAS PEMBAYARAN TOL BERBASIS SINGLE LANE FREE FLOW (SLFF) DIBANDINGKAN DENGAN E-TOLL MELALUI KINERJA GERBANG TOL DAN PERSEPSI PENGGUNA Akbar, Fahmi; Firman Setiawan; David; Bahtiar; Semuel Rorrong
Jurnal Jalan Jembatan Vol 42 No 2 (2025)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v42i2.1407

Abstract

Single Lane Free Flow (SLFF), known as “Let It Flo,” is a contactless toll payment system based on RFID technology developed by PT Jasamarga to reduce transaction time and queuing at toll gates. However, its implementation has not been fully effective due to low user adoption. This study aims to identify the implementation of SLFF, analyze vehicle flow, service time, service level, and delay time between the E-Toll and SLFF systems, as well as evaluate user perceptions toward the system. The analysis applies queuing theory using vehicle survey data collected at the Bekasi Timur 2 Toll Gate on January 13, 16, and 18, 2025, and questionnaires distributed to toll road users. The results show that SLFF is only used by four-wheeled light vehicles with a low adoption rate of two vehicles per hour compared to 343 vehicles per hour for E-Toll. Nevertheless, SLFF can reduce delay time by 0.6 seconds per vehicle and increase service capacity with a projected result of 6,000 vehicles per hour, significantly higher than the E-Toll system’s capacity of 957 vehicles per hour. The system eliminates queues and reduces congestion with a service intensity below one (ρ < 1), while users report improved safety and comfort due to non-stop and contactless transactions. The main challenges include limited infrastructure, restricted gate availability, ongoing application development, and limited technological information on the SLFF/Flo system. Therefore, infrastructure expansion, application improvement, and government support are essential to accelerate adoption and enhance the performance of the toll system in Indonesia. Kata Kunci: SLFF/Flo, arus kendaraan, waktu pelayanan, persepsi pengguna, kuesioner Keywords: SLFF/Flo, traffic flow, service time, user perception, questionnaire

Page 61 of 61 | Total Record : 602

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