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All Journal Civil Engineering Dimension Journal of Infrastructural in Civil Engineering (JICE)
Wibowo, Hartanto
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Civil Engineering, Building, Construction & Architecture

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Pengaruh Penambahan Serat Terhadap Karakteristik Mekanis Batako Wibowo, Hartanto; Yoresta, S.T.,M.T., Dr. Eng. Fengky Satria
Journal of Infrastructural in Civil Engineering Vol 5, No 01 (2024): Volume 5, Issue 01, January 2024
Publisher : Universitas Teknokrat Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33365/jice.v5i01.2799

Abstract

Indonesia is a country with some point of earthquake that spread almost throughout its territory. Therefore, in making a building, a strong material is needed and can withstand an earthquake. In its development, has emerged various kinds of technology to improve the quality of building materials. One of some technology that can be used is the method of adding fiber to the concrete mixture. This study aims to determine the effect of the addition of palm fiber, coconut fiber, and bendrat on the mechanical characteristics of concrete blocks. A total of 60 concrete brick samples were made with 0.1 additional fiber variations; 0.3; and 0.5% of the total volume of brick. Testing of mechanical properties include testing compressive strength, flexural strength, modulus of elasticity (MOE), stiffness, and brick ductility. The test results show that the addition of fiber as a brick making mixture tends to increase the quality of the mechanical properties of brick. The highest compressive strength is found in bendrat wire concrete (0.5%) which is 27.21 kg/cm2. The highest flexural strength, MOE, and stiffness values were found in coconut fiber fiber brick (0.3%) with the respective value of 1351.25 kg/cm2; 105.85 kg/cm2; and 194.84 kg/cm. The highest ductility value is found in bendrat wire brick (0.3%) which is 1.70 cm.
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.
Co-Authors Ardenlie, Felix Go Chandra, Jimmy Christian, Yonathan Billy Fengky Satria Yoresta Gunawan, Angeline Handoko, Johanna