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All Journal Journal of Civil Engineering
Ahmad B. Habieb
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Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Journal : Journal of Civil Engineering

 1 
Numerical study of using multi-direction angle wire mesh as a confinement system for confined masonry under horizontal cyclic loads Muhammad R. Hidayat; Ahmad B. Habieb; Wahyuniarsih Sutrisno
Journal of Civil Engineering Vol. 38 No. 2 (2023)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v38i2.7477

Abstract

Indonesia was located in a seismically active region and was situated between three tectonic plates. The construction resilience that met the requirements was necessary in earthquake-prone areas. The purpose was to protect and reduce the risk of severe damage caused by significant seismic loads. However, more than 70% of buildings in developing countries like Indonesia utilized the Confined Masonry (CM) structural system. The implementation of CM systems in Indonesia often led to fatal damages during earthquakes. Due to the severity of these damages, the addition of reinforcement systems to CM became one of the options to address the shortcomings of the CM system. There were various types of materials that could be used as reinforcement, such as steel cages, polymers, polypropylene bands, bamboo meshes, and plastic materials. This study investigated the utilization of ferrocement layers as reinforcement material for CM structural system panels. The specimen panels used had a width of 2300 mm and a height of 1370 mm. The specimens in the research were numerically modeled using the ABAQUS/explicit program. The research variation focused on the influence of the wiremesh sheet orientation angle. The number of variations for the ferrocement layer was one layer with angle configurations of 0, 45, and 60 degrees. This reinforcement layer was applied to one side of the CM panel. As a comparison, results from the control specimen were included. The hysteresis curve, energy dissipation, stiffness degradation, and damage patterns were evaluated in this research.
Performance of masonry wall joint corner with perforated plate in non engineering building Roro P. Hapsari; Hidajat Sugihardjo; Ahmad B. Habieb
Journal of Civil Engineering Vol. 38 No. 2 (2023)
Publisher : Institut Teknologi Sepuluh Nopember (ITS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j20861206.v38i2.7479

Abstract

Indonesian houses are characterized as non-engineered and vernacular, constructed using local material, techniques, and architectural style. As a results, these houses are typically built without the involvement of experts. In Indonesia, most lower-class houses are unreinforced masonry (URM), masonry without moment resisting frame. The absence of those frame makes URM highly vulnerable to earthquakes and makes the masonry walls the main load bearers. This study analyses the performance of corner joint masonry walls with perforated plates to enhance the integrity between the perpendicular walls. This research was carried out experimentally. The results indicate that URM joint corner walls without perforated plates has the highest load capacity and ductility. Perforated plates in layers of masonry walls can decrease the lateral load capacity by 55%. The failure pattern that occurred are slip failure, with cracks appearing at the mortar-brick joint and mortar-perforated plate interfaces. From the tests that have been carried out, it was found that perforated plate could reduce the cohesiveness of the walls rather than enhance the integrity of the perpendicular walls.
Co-Authors Cindy Mahzumah Fikri Ghifari Heppy Kristijanto Hidajat Sugihardjo Muhammad R. Hidayat Roro P. Hapsari Wahyuniarsih Sutrisno