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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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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.
Pembangunan Rumah dan Showroom Untuk Kenyamanan Penghuni di Surabaya Nikolaus Lukyanto; Jimmy Chandra; Hendra Tjahjadi
Jurnal Dimensi Insinyur Profesional Vol. 2 No. 1 (2024): Maret 2024
Publisher : Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9744/jdip.2.1.6-15

Abstract

Kenyamanan sebuah tempat tinggal sangat menjadi hal yang krusial bagi penghuninya. Lingkungan sebuah tempat tinggal dipengaruhi beberapa hal diantaranya kenyamanan dan keamanan. Seorang kontraktor Design and Build (D&B) memiliki peran penting dalam mendesain sebuah bangunan hunian yang dinilai dari nilai estetika (tampilan visual) dan desain struktur rumah. Selain itu kontraktor juga bertanggung jawab atas kepuasan owner. Dalam pembangunan rumah untuk menciptakan suasana yang nyaman perlu memperhatikan beberapa faktor, seperti ergonomi, estetika, ketahanan struktural, partisipasi masyarakat, dan pekerja. Keergonomisan sebuah bangunan tempat tinggal berpengaruh pada efisiensi energi. Efisiensi energi berpengaruh terhadap hal-hal seperti pengurangan biaya operasional, penghematan energi, dan membuat hunian menjadi sebuah bangunan ramah lingkungan. Pemilihan penggunaan Desain sebuah bangunan perlu memperhitungkan prinsip ergonomi yang menunjang kebutuhan fisik pemilik hunian. Estetika pada sebuah ruangan dapat berpengaruh pada efek psikologis penghuninya. Ketahanan struktural sebuah bangunan juga merupakan bagian penting dalam proses pembangunan dimana dipengaruhi oleh beberapa faktor seperti desain struktural, bahan bangunan yang digunakan, serta pengawasan selama masa konstruksi. Faktor perijinan dengan tetangga dan instansi lingkungan setempat sangat mempengaruhi pekerjaan terutama pada produktivitas pekerjaan. Tenaga kerja juga sangat berpengaruh terhadap pekerjaan. Penggunaan teknologi seperti BIM (Building Information Modelling) dapat menjadi solusi apabila terdapat hambatan dalam memahami gambar lokasi (shop drawing) dan penentuan pekerjaan tambahan selama proses pembangunan. Identifikasi risiko dan implementasi manajemen risiko perlu dilakukan untuk meningkatkan kesadaran dalam penentuan pekerjaan apa yang diperlukan perhatian khusus untuk menghindari adanya kecelakaan kerja.
Co-Authors Gata Milla Hendra Tjahjadi Jonathan Aurelius Tambuna Nikolaus Lukyanto Vito Nathaniel Lokito