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Journal : Civil Engineering Dimension

Seismic Performance Evaluation of An Interior Reinforced Concrete Beam-Column Joint Subjected to Cyclic Loading Chandra, Jimmy; Wibowo, Hartanto; Christian, Yonathan Billy; Handoko, Johanna; Gunawan, Angeline; Ardenlie, Felix Go
Civil Engineering Dimension Vol. 27 No. 2 (2025): SEPTEMBER 2025
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.27.2.180-192

Abstract

Many reinforced concrete (RC) buildings in Indonesia suffered severe earthquake damages due to brittle failure and poor detailing works of the beam-column joints. This experimental study aims to investigate the seismic performance of an interior beam-column joint designed according to ACI 318-19 code provisions. The specimen was subjected to static axial loading to simulate gravity loading on column and lateral quasi-static cyclic loading to simulate earthquake loading. From the experimental results, it shows that the RC beam-column joint exhibited ductile beam flexural failure as expected. However, there was a considerable bond-slip noticed on beam’s longitudinal reinforcement. In addition to the experimental study, a finite element analysis was also performed using VecTor2 software. The analysis results show that the model could simulate well the hysteretic behavior of the specimen. Furthermore, from the analysis, bond-slip was also found to be a key factor affecting the hysteretic behavior of the joint.
Experimental Investigation on Seismic Performance of Precast Column-Foundation Connection using Combined Anchor and Pocket System Propika, Jaka; Pudjisuryadi, Pamuda; Chandra, Jimmy
Civil Engineering Dimension Vol. 28 No. 1 (2026): MARCH 2026
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/ced.28.1.69-82

Abstract

Connections between precast concrete elements play a crucial role in ensuring structural integrity and facilitating effective force transfer. Among various connection types, the column–foundation connection is the most critical component, as it is designed to resist the combined effects of axial load, bending moment, and shear force. In this study, the pocket connection was modified with anchored reinforcement (BPC) to improve seismic performance. An experimental program was conducted on three specimens: a monolithic cast-in-place connection (MC) as the control, a conventional pocket connection (PC), and the modified pocket connection (BPC). Each specimen was subjected to combined axial and cyclic loading to evaluate the seismic performance of the column–foundation connection. The results showed that the MC specimen demonstrated the best performance, while the PC specimen, although meeting the ACI 374.1-05 acceptance criteria, failed to achieve the required probable moment capacity. The BPC specimen demonstrated improvement in seismic performance compared to the PC and was considered suitable for use in precast structural systems designed for seismic area.