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All Journal BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Jurnal Bangunan: Konstruksi & Desain
Maidiawati Maidiawati, Maidiawati
Jurusan Teknik Sipil, Fakultas Teknik Sipil dan Perencanaan, Institut Teknologi Padang.
Civil Engineering, Building, Construction & Architecture Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Transportation

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Seismic Performance Evaluation of Reinforced Concrete Building in Palu City Nugroho, Fajar; Tanjung, Jafril; Maidiawati, Maidiawati; Kurniawan, Ruddy
Bentang : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Vol 12 No 2 (2024): BENTANG Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil (July 2024)
Publisher : Universitas Islam 45

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33558/bentang.v12i2.9570

Abstract

The earthquake accompanied by a tsunami that occurred in Palu City in 2018 resulted in damage, especially reinforced concrete buildings, one of which was the FISIP Dean Building, Tadulako University. This study aims to evaluate the seismic performance of the building using SeismoStruct software. This software is able to predict the behaviour of large displacements of space frames under static or dynamic loading by considering geometric nonlinearity and material inelasticity. Building modelling is made based on Detail Engineering Design drawings. The results of the analysis in the form of a capacity curve show that the building's performance is at the life safety level, which means that structural components are damaged so that the building's strength is reduced. There are two types of building collapse mechanisms that occur, namely yielding in the reinforcement (yield) and collapse in the concrete cover (crush-unconfined). Collapse occurred in the column where it should have occurred in the beam.
Evaluasi Kapasitas Seismik Gedung Beton Bertulang dengan Metode Pushover Analysis Darmansyah, Ghina Pricillia; Maidiawati, Maidiawati; Honesti, Leli
Jurnal Bangunan, Konstruksi & Desain Vol 2 No 1 (2024): Maret 2024
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.2.1.62-70.2024

Abstract

The Surgical Building and Central Sterile Supply Department of Solok City Regional Hospital is a reinforced concrete building which was just completed in January 2024. In this research, the seismic capacity of the surgical building and CSSD of Solok City Regional Hospital will be evaluated with and without wall contributions using non-linear static analysis methods with software. SeismoStruct. The capacity curve in the comparison between wall and wall models has a significant difference, where the lateral strength with walls in the X direction increases by 6.3% and in the Y direction by 15.83%, the stiffness in the model with walls is also greater than the model without walls where the wall stiffness in the X direction increased by 32.88% and in the Y direction by 73.75%, and ductility also increased in the X direction by 105.43% and in the Y direction by 145.28%. Based on the results of structural performance based on FEMA 356, the level of structural performance without the influence of walls in the X and Y directions and with the influence of walls in the X and Y directions is obtained, namely Immediate Occupancy (IO). Based on the results of this analysis, the evaluation that having a full brick wall can increase the seismic capacity in terms of lateral strength, lateral stiffness and ductility of the Surgery Building and Central Sterile Supply Department of Solok City Regional Hospital.
Analisis Pengaruh Posisi Dinding Geser Terhadap Kapasitas Seismik Struktur Gedung Beton Bertulang Dengan Metode Analisis Pushover Hidayat, Muhammad; Abdurrasyid, Yunus; Maidiawati, Maidiawati
Jurnal Bangunan, Konstruksi & Desain Vol 3 No 4 (2025): Desember 2025
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jbkd.3.4.195-208.2025

Abstract

Indonesia is an earthquake-prone area, so a building structure capable of resisting lateral loads effectively is required. This study aims to analyze the effect of shear wall position on the seismic capacity of reinforced concrete building structures. The research method uses non-linear static analysis (pushover) using SAP2000 software with four model variations: Model 1 without shear walls, Models 2 and 3 with shear walls parallel to the Y axis, and Model 4 with shear walls installed diagonally at two corners of the structure parallel to the X and Y axes. The results show that the addition of shear walls significantly reduces inter-story drift by up to 71.52% and significantly increases the structural capacity. Model 1 (without shear wall) has a basic capacity of 17,886.10 kN (X direction) and 17,597.82 kN (Y direction), while Model 4 (with diagonal shear wall) shows the highest capacity of 41,074.77 kN (X direction) and 29,242.09 kN (Y direction), with an increase of 229.64% in the X direction and 66.18% in the Y direction, making it the most effective configuration among the three models with shear wall. The configuration in Model 4 produces a balanced stiffness distribution in both main directions, with relatively uniform spectral acceleration (Sa) values ​​in the X (0.57 g) and Y (0.51 g) directions. Based on the ATC-40 performance analysis, Model 1 reaches the Damage Control (DC) level indicating that the structure is still considered safe with maintained stability, while Model 4 reaches the Immediate Occupancy (IO) level, indicating a significant performance improvement. Based on the research results, the placement of shear walls diagonally at two corners of the structure (parallel to the X and Y axes) as in Model 4 can increase the stiffness and capacity of the structure, and also improve the level of seismic performance even though it can reduce ductility. The Model 4 configuration is effective in distributing earthquake forces evenly and creating a more balanced structural system compared to other models.
Co-Authors Abdurrasyid, Yunus Darmansyah, Ghina Pricillia FAJAR NUGROHO Jafril Tanjung, Jafril leli honesti Muhammad Hidayat Ruddy Kurniawan