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All Journal Civil Engineering Dimension Jurnal Dimensi Insinyur Profesional
Jimmy Chandra
Petra Christian University
Civil Engineering, Building, Construction & Architecture Industrial & Manufacturing Engineering

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Journal : Civil Engineering Dimension

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Seismic Performance of Precast Concrete Special Moment Frames with Hybrid Connection System in Five and Ten Story Buildings Jimmy Chandra; Vito Nathaniel Lokito; Jonathan Aurelius Tambuna
Civil Engineering Dimension Vol. 25 No. 2 (2023): SEPTEMBER 2023
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.25.2.85-95

Abstract

Precast concrete has been widely implemented in various construction projects due to shorter construction duration and consistent quality. In a previous study, Solberg et al. (2008) conducted an experiment on hybrid beam-column connections with Damage Avoidance Design concept to improve the seismic performance of precast concrete special moment frames. The objective of this study is to further evaluate the seismic performance of precast concrete special moment frames with the hybrid beam-column connections in five and ten story buildings. The evaluation was done through non-linear dynamic time history analysis using OpenSees. The analysis results show that precast concrete frame buildings exhibit insignificant difference in maximum interstory drift ratios and roof displacements as compared to conventional concrete frame buildings. However, with significantly smaller residual displacements which indicates less structural damage, precast concrete frame buildings could be preferred in the long run as they require less structural repairs after a strong earthquake event.
Evaluation of Shear-Flexure Interaction Behavior of Reinforced Concrete Wall Jimmy Chandra; Gata Milla; Jonathan Aurelius Tambuna
Civil Engineering Dimension Vol. 26 No. 1 (2024): MARCH 2024
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.26.1.11-20

Abstract

Reinforced concrete (RC) wall is a critical structural member that resists lateral loadings, such as earthquake and wind. RC wall having moderate height to length ratio, 1.50-2.50, has the altered shear-flexure interaction (SFI) behavior, so shear and flexural failure mechanisms occur almost concurrently. Therefore, an experimental study of a moderate RC wall was conducted as a comprehensive study of the wall’s coupled nonlinear shear-flexure behavior under cyclic loading. The experimental results show that the RC wall failed in flexure mechanism, indicated by crushing of the flexural compression zone, and followed by immediate shear failure, notified by the occurrence of web crushing. In addition to the experiment, an analytical model using SFI-MVLEM element in OpenSees software was performed to verify the experimental results. The analytical results show that the model is able to simulate reasonably well the coupled nonlinear shear-flexure behavior of the RC wall subjected to cyclic loading.
Co-Authors Gata Milla Hendra Tjahjadi Jonathan Aurelius Tambuna Nikolaus Lukyanto Vito Nathaniel Lokito