Evaluasi Kinerja Struktur Pada Desain Struktural Gedung Rumah Sakit Dengan Metode Pushover

Seto Ditosurya Aranta; Inggar Sephia Irawati

doi:10.31815/jp.2025.20.11-21

Authors

Seto Ditosurya Aranta Department of Civil and Environmental Engineering, Gadjah Mada University
Inggar Sephia Irawati Department of Civil and Environmental Engineering, Gadjah Mada University

DOI:

https://doi.org/10.31815/jp.2025.20.11-21

Keywords:

Performance evaluation, structural performance, reinforced concrete structure, nonlinear static analysis, hospital

Abstract

The structural design of a 10-story inpatient hospital building in Magelang has been completed using the dynamic linear analysis method. Considering that Indonesia is an earthquake-prone country, it is essential to evaluate the structural performance of the design results. This evaluation aims to determine whether the target performance of Immediate Occupancy and Life Safety has been achieved for seismic levels BSE-1N and BSE-2N, respectively. Performance evaluation was then performed using static nonlinear methods based on ASCE 41-17, referred for the draft of the Indonesia Standard Code for Seismic Evaluation and Retrofit of Existing Buildings. Structural geometry modeling uses results from the previous design steps. Then, the modeling is assigned material nonlinear parameters, cross-sectional nonlinearity, and element nonlinearity. The direction of the pushover lateral load in this analysis is divided into 4 directions, i.e., positive X, negative X, positive Y, and negative Y. Based on the results of the analysis, it is known that the structural performance does not meet the requirements of ASCE 41-17 at both BSE-1N and BSE-2N seismic levels. Based on the results of checking the requirement ratio of the elastic strength demand to yield strength toward the maximum strength ratio, it is recommended that the analysis be continued using the dynamic nonlinear method.

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