Evaluasi Kinerja Struktur dengan Metode Analisis Non-Linear Time History pada Gedung Bertingkat Menggunakan Software Midas Gen (Studi Kasus: Proyek Gedung Hotel Sapadia Jl. Sisingamangaraja, Medan)

Abstract

The Sapadia Hotel Building, located on Jalan Sisingamangaraja, Medan City, was built in 2016 and was stopped from work. However, in 2023, the construction of the Sapadia Hotel building will continue and it is necessary to evaluate the performance of the structure due to changes in the earthquake loading guidelines used at the beginning based on SNI 1726:2012 with the latest SNI 1726:2019 regulations. To support the research, the Non-Linear Time History Analysis (NLTHA) method was used. Modeling and analysis will be assisted by the Midas Gen V23 software program. SNI 1726:2019 and ATC – 40 will be used as guidelines to determine the performance level of the structure. The structural response to story displacement between the two conditions experienced significant differences in values for the five earthquake data, for example the Kobe earthquake (uncracked stiffness) in the X direction (0.0549 m) and Y (0.0362) with the Kobe earthquake (cracking stiffness) in the X (0.0863 m) and Y (0.0841 m) earthquakes. For inter-story drift, the Parkfield earthquake still does not meet the requirements of SNI 1726:2019 regulation because on the Ground Floor, Mezzanine Floor, 2nd Floor and 3rd Floor exceeded the allowable drift ratio limit (0.0155 > 0.015; 0.0158 > 0.015; 0.0167 > 0.015; 0.0198 > 0.015). The performance level of the structure reviewed against the ATC regulation – 40 is classified in the IO (Immediate Occupancy) category.