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Journal of Infrastructure and Construction Technology Dept. of Civil Engineering, Faculty of Engineering, Universitas Riau Jl. Pekanbaru-Bangkinang KM 12.5 Pekanbaru, 28293
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Journal of Infrastructure and Construction Technology
Published by Universitas Riau
ISSN : 30248523     EISSN : 29878934     DOI : https://doi.org/10.56208/jictech
Core Subject : Engineering,
Civil Engineering, Building, Construction & Architecture
Journal of Infrastructure and Construction Technology (Jictech) is a peer-reviewed academic journal that publishes novel concepts, theories, methodologies, and procedures in science and engineering. The following themes will be covered by the journal, but are not limited to: Structural engineering, Construction management, Environmental engineering, Water resources and hydrology engineering, Geotechnical engineering, Coastal and harbour engineering, Surveying and Geospatial engineering, Transportation engineering, and Construction materials.
Arjuna Subject : Teknik (semua kategori) - Teknik Sipil dan Struktur
Articles 4 Documents
 1 
Search results for , issue "Vol. 3 No. 1 (2025): January 2025" : 4 Documents clear
Evaluation of Particle Grain Size of Sand Embankment for Liquefaction Above Peat Against Vibration Agus Nugroho, Soewignjo; Yusa, Muhamad; Putra, Agus Ika; Satibi, Syawal; Fatnanta, Ferry; Wibisono, Gunawan; Rinaldi, Rinaldi; Hasibuan, Putra S
Journal of Infrastructure and Construction Technology Vol. 3 No. 1 (2025): January 2025
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/jictech.3.1.1-8

Abstract

Liquefaction is the transformation of soil into a liquid. The vibrating table in this study moves in a horizontal direction and the opposite manner in a vertical direction utilizing modelling. Acceleration variations of 0.25 g and 0.32 g were employed. The dirt was 10 centimetres thick. The sand clusters were 15 cm thick, with differences in debris gradient size and water surface on the sample. The uniform load that was employed was 40 kg/m2. Examine the drop of the ground surface and the rising of the porous water for signs of liquefaction. A 0.5mm diameter glass pipe was used to measure the porous water pressure. The test findings revealed that with higher acceleration, effective vertical voltage, and porous water ratio values, the rate of particle graduation has a major influence on the occurrence of liquefaction potential. The test results revealed that poorly graduated fine sand experienced maximum effective vertical stress and elevated porous water ratio values (Ru), whereas well-graded sand tended to be more stable.
Studi Analisis Penerapan Metode Arc-Length Dalam Mendeteksi Retak Awal Beton Bertulang Rafifah, Dwi; Clara, Amanda
Journal of Infrastructure and Construction Technology Vol. 3 No. 1 (2025): January 2025
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/jictech.3.1.9-20

Abstract

The implementation of the arc-length method to enhance early-crack sensitivity in finite element models of reinforced concrete. Indonesia’s seismic vulnerability raises the importance of early crack detection for structural safety, particularly as cracks in reinforced concrete beams critically affect performance and integrity. The review compares three numerical modelling approaches—embedded reinforcement, Material Point Method (MPM), and Cracking Element Method (CEM) and analyzes their limitations in accurately capturing the onset of cracking. The embedded method often lacks sensitivity for early crack detection due to solver convergence challenges, MPM struggles with local stress concentration accuracy, and CEM depends heavily on precise crack initiation criteria. Integrating the arc-length method with these approaches significantly improves model stability and crack initiation sensitivity by enabling robust solution tracking through nonlinear and critical response phases. Case studies and referenced research demonstrate that arc-length-augmented approaches yield more reliable simulations, closely aligning with experimental results. This review concludes that the arc-length method provides a key numerical advance for early crack analysis in reinforced concrete, supporting safer earthquake-resistant design and maintenance strategies.
Studi Komparatif Analisis Struktur Portal 3D Dan Rangka Batang 3D Menggunakan Metode Elemen Hingga dan SAP2000 Islami, Dian Nanda; Fan Putra, Muhammad Rifal
Journal of Infrastructure and Construction Technology Vol. 3 No. 1 (2025): January 2025
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/jictech.3.1.21-29

Abstract

The comparative accuracy of different structural models under Finite Element Method (FEM) computation remains a relevant issue, particularly when manual, spreadsheet-based formulations are compared with professional engineering software. This article integrates the findings of both studies as a basis for comparative analysis, namely (1) 3D portal analysis using MS Excel-based FEM validated with SAP2000, and (2) 3D truss analysis using a similar approach. This study aims to assess the consistency of manual analysis results based on Excel with the numerical results of modern software, as well as to understand the advantages and limitations of the method in the context of different structures. The results of the study show that in 3D portals, the displacement difference is relatively small (<5\%), but the internal moment force shows a significant difference. Conversely, in 3D truss structures, axial forces and support reactions were almost identical to SAP2000, while displacement had a considerable deviation (±10\%). This confirms that Excel-based MEH is effective as a simple educational and verification tool, but in professional practice, analysis software is still needed to ensure accuracy, especially for internal force analysis in 3D portals.
Analisis Metode Elemen Hingga Pada Kolom Komposit, Sambungan Baja dan Keruntuhan Progresif Anwar, Anwar; Rahmadani
Journal of Infrastructure and Construction Technology Vol. 3 No. 1 (2025): January 2025
Publisher : Dept. of Civil Engineering Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56208/jictech.3.1.30-36

Abstract

Finite Element Method (FEM) serves as a critical numerical tool for analyzing complex composite and steel structures. This article aims to evaluate the versatility and accuracy of FEM in predicting structural behavior across diverse applications. The study reviews three specific cases: reinforced concrete encased steel columns, haunched gusset plate connections in cold-formed steel, and a mixed element method for progressive collapse analysis. Numerical simulations were validated against experimental data to assess damage mechanisms, ductility, and energy dissipation. The results demonstrate a 42% improvement in lateral capacity for composite structures and a prediction deviation of 25-29% in cold-formed steel connections. Furthermore, the mixed element method exhibited high precision with less than 2% deviation in dynamic analyses. These findings confirm FEM's reliability in optimizing structural design and developing adaptive methods for failure prediction.

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