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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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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 6 Documents
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Search results for , issue "Vol 40 No 2 (2023)" : 6 Documents clear
INVESTIGASI EKSPERIMENTAL TERHADAP SIFAT MEKANIS CAMPURAN ASPAL MODIFIKASI POLIMER ETILEN-VINIL ASETAT DENGAN METODE CAMPURAN KERING Daniel, Christian Gerald; Widjajakusuma, Jack; Widjaya, Valencio Stephen; Edricnes; Saputan, Clairine
Jurnal Jalan Jembatan Vol 40 No 2 (2023)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v40i2.1189

Abstract

This study aims to evaluate the impact of Ethylene-Vinyl Acetate (EVA) polymer modification in the dry mix method on the properties of asphalt components and asphalt-concrete mixtures. SEM and FTIR test images show the separation between polymer and bitumen. The VA fraction (carbonyl ring of bands 1600-2000 and 1080) affects the chemical composition of bitumen and produces properties that tend towards elasticity with little change in stiffness based on the DSR test. Air voids in the asphalt mixture were also reduced. Mixture stiffness, as seen from the modulus of elasticity and Marshall Quotient (MQ) values, increased by 20% and 50%, Marshall stability increased by 40%, tensile strength of mastic asphalt samples and asphalt concrete mixtures increased by up to 600% and 83.1% at low loading speeds, respectively. as well as 50% and 70% at high load speeds. This indicates that the mixed material is stiffer and stronger, especially on the mastic scale, where an asphalt mixture with an EVA content of 5% gives the best results. Fracture energy showed varying results, with the best value achieved at 5% EVA content for the asphalt mastic scale and 4% EVA for the asphalt concrete mix scale. A polymer content of 5% is recommended to produce a stiff, high-strength asphalt mixture. Key words: asphalt concrete, bitumen, dry mix method, ethylene-vinyl acetate, polymer-modified asphalt
ANALISIS LAPISAN BAWAH PERMUKAAN MENGGUNAKAN METODE GROUND PENETRATING RADAR PADA SUBGRADE YANG DIINJEKSI AIR SEMEN Situngkir, Edwin Mehator; Rendy Satria, Trihanyndio; Asih Aryani Soemitro, Ria; Ferdian, Vidi
Jurnal Jalan Jembatan Vol 40 No 2 (2023)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v40i2.1190

Abstract

Early road damage was caused, among other things, by high daily traffic (ADT), vehicles with excessive dimensions and load (ODOL) passing through, and problematic and soft ground conditions. Subgrade repairs can be carried out to overcome damage by applying the water-cement grouting method. To analyze the state of the subsurface layer after cement water was injected, a field test was carried out using Ground Penetrating Radar (GPR) data acquisition. The results of GPR data analysis on Sta 34+700 and Sta 37+850 on the Tuban–Babat–Lamongan–Gresik national road have shown that on the radargram, the grouting materials rise due to back pressure. The materials cannot penetrate the subgrade layer so that the grouting material spreads over the aggregate layer and comes out through the grouting holes at other points on the asphalt surface. In the radargram, the reflector can be seen as a small, sharp and uniform horizon along the trace to the bottom layer so that there is no change in the condition of the subgrade layer after water cement grouting. From this research, soil improvement using cement water injection in cohesive soil types does not significantly increase soil density because the injected cement water does not enter the soil micropores. Key words: grouting water cement, subsurface layer, subgrade, ground penetrating radar, radargram, reflector
STABILISASI LERENG DENGAN APLIKASI SOIL NAILING PADA AREA GALIAN DALAM DAN KEMIRINGAN CURAM Standyarto, Andrew Nugraha; Prayitno, Andika Yuda; Prayitno, Dedi
Jurnal Jalan Jembatan Vol 40 No 2 (2023)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v40i2.1193

Abstract

The aim of study is to determine the effect of applying soil nailing to increase the stability and strengthening of excavation slopes on soil stratification in areas of deep dips and steep slopes. Observations were carried out on New Capital City Toll Road section 3A Karangjoang - KKT Kariangau, a division of the toll road where a structure in the form of a High Voltage Air Line (SUTT) is placed. Deep excavation was carried out at the location, which set the SUTT tower 20 m from the slope of the road route. Tower relocation cannot be carried out, and slope management must be designed to prevent landslides from occurring. Soil condition data was taken from the field at 4 points using boring and SPT methods. Data analysis used the Plaxis 2D Finite Element Analysis (FEA) modelling program and the Mohr-Coulomb soil model to compare two conditions, namely the excavation slope without reinforcement and with soil nailing reinforcement configuration. From the slope stability analysis, excavation design 1 in front of SUTT and design two at the transition have a Safety Factor (SF) > permit in short-term conditions and pseudo-static earthquakes but experience landslides in long-term conditions and coal (lignite) weathering. This study shows that applying soil nailing with a diameter of 10 cm, a length of 12 m and a 12D vertical and 15D horizontal installation configuration meets the SF permitting slope stability according to SNI 8460:2017 on Geotechnical Design Requirements. Key words: slope resistance, soil nailing, deep excavation, high voltage tower, coal weathering (lignite)
OPTIMISASI PENEMPATAN SENSOR AKSELEROMETER DENGAN METODE EFFECTIVE INDEPENDENCE Ramadhani, Sofyan
Jurnal Jalan Jembatan Vol 40 No 2 (2023)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v40i2.1203

Abstract

This research aims to determine the optimal placement of the accelerometer sensor using the Effective Independence (EFI) method. The Balang Island Bridge was used as a study location. In this research, the EFI method is used to optimize the site of the accelerometer sensor by considering various target mode shapes. The EFI method provides alternative optimal sensor placement with the number of sensors corresponding to the number of target mode shapes used in the analysis. However, sensor placement can result in an asymmetrical arrangement, which can result in the inability of sensors on one side of the bridge to detect vibrations from load sources on the other side. In this study, the sensors were placed symmetrically through a mirroring process to overcome this. This research produces five alternative sensor placements that provide flexibility for bridge owners in choosing a configuration that suits the available budget. The results of this research can be a reference for bridge owners to monitor the structural health of bridges accurately with optimal sensor configurations. With this information, bridge owners can make more effective and efficient decisions in implementing the Structural Health Monitoring System, thereby increasing the safety and reliability of the bridge. Key words: accelerometer, optimal sensor placement, effective independence method, mode shapes, structural health monitoring system
PENENTUAN FAKTOR BEBAN DINAMIS PADA JEMBATAN BERDASARKAN PENGUKURAN BRIDGE WEIGH-IN-MOTION Nugraha, Widi; Sidi, Indra Djati; Suarjana, Made; Zulkifli, Ediansjah
Jurnal Jalan Jembatan Vol 40 No 2 (2023)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v40i2.1221

Abstract

Vehicle loading on bridges involves dynamic loads, exhibiting distinct behavior from static loads. Dynamic loads can lead to the phenomenon of dynamic load amplification, potentially increasing the effects of the static weight of vehicles on the bridge. Addressing these effects is crucial during bridge design to ensure safety. The Dynamic Amplification Factor (DAF) is employed in bridge design as a multiplier for the live load standard to account for these effects. This study aims to assess the DAF on two Bridge Weigh-in-Motion (B-WIM) systems in Indonesia: Pawiro Baru Bridge (ID-001) with an 18 m in span and Kaligawe Bridge (ID-004) with a 30 m in span. The methodology involves analyzing the bridge's structural response to passing vehicles using strain transducer sensors in the B-WIM system to calculate the DAF. Results indicate that the average DAF for light vehicles (GVW<25 ton) is 1.19 for ID-001 and 1.19 for ID-004. For heavy vehicles (GVW>=25 ton), it's 1.10 for ID-001 and 1.09 for ID-004. The analysis reveals a consistent correlation between DAF and GVW, with heavier vehicles yielding lower DAF values. This research suggests to a proposed DAF model as a function of GVW, which proved to be more efficient and accurate based on actual measurements. The model presents the potential to enhance the efficiency of bridge design. It generally yields lower DAF values compared to those stated in SNI 1725:2016, aiming to align design standards more closely with the actual dynamic behaviour of typical bridge types under varying vehicle loads. Keywords: bridge, dynamic amplification factor (DAF), Bridge Weigh-in-Motion (B-WIM), bridge design, gross vehicle weight (GVW)
FATIGUE PERFORMANCE OF RECYCLED ASPHALT PAVEMENT REJUVENATED WITH BIO-REJUVENATOR FROM COCONUT SHELL Sihombing, Atmy Verani Rouly
Jurnal Jalan Jembatan Vol 40 No 2 (2023)
Publisher : Direktorat Bina Teknik Jalan dan Jembatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58499/jatan.v40i2.1232

Abstract

This study investigated the fatigue performance of recycled asphalt mixtures (reclaimed asphalt pavement, RAP) rejuvenated with a bio-rejuvenator derived from coconut shells (BioCS), specifically combinations with 30% RAP using a four-point bending test with strain-controlled and compared the results with the Austroads model. The study found that adding a bio-rejuvenator increased stiffness, reduced cracking, and improved fatigue life, with the optimal dosage of 23% by weight of RA binder (bitumen from RAP). The fatigue life decreased as the strain increased but adding BioCS to AC-WC mixtures containing up to 30% RAP still provided a better fatigue life than the AC-WC control mixture. BioCS is suitable for AC-WC mixtures containing up to 30% RAP in the 200 - 400 με strain classification range. Furthermore, the fatigue failure values generated from laboratory testing using the four-point bending test were close to the Austroads model with a ratio of 0.9. This suggests that the variables from the Austroads model can be considered to build a fatigue life model of asphalt mixtures containing RAP and BioCS as rejuvenators. However, more research is needed to fully understand the long-term performance and environmental impact of using bio-rejuvenators in asphalt mixtures. Overall, this study supports using bio-rejuvenators derived from coconut shells as a sustainable alternative to petroleum-based rejuvenators for improving the fatigue life of recycled asphalt mixtures. Keywords: fatigue life, AC-WC, bio-rejuvenator, coconut shell, recycled material, four-point bending test

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