Acceleration Response Spectra for M 7.4 Donggala Earthquake and Comparison with Design Spectra

Journal of Sustainable Engineering: Proceedings Series

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Field Value
 
Title Acceleration Response Spectra for M 7.4 Donggala Earthquake and Comparison with Design Spectra
 
Creator Sunardi, Bambang
Sulastri
Karnawati, Dwikorita
Haryoko, Urip
Rohadi, Supriyanto
Pramono, Sigit
Sungkowo, Ari
 
Subject acceleration response spectra
Donggala earthquake
design spectra
building code
 
Description A 7.4 magnitude earthquake have strucked Donggala on September 28th 2018, followed by tsunami and liquefaction which hit Palu, Central Sulawesi, a few minutes later. This event had resulted in damage to buildings, and caused more than 2,000 people were killed and injured. Indonesia already have a building code in form of SNI 1726:2002 which had been updated to SNI 1726:2012. This paper analyses the hazard level caused by the 2018 Donggala earthquake compared to the existing design spectra, as mentioned in SNI 1726:2002 and SNI 1726:2012. A simple analysis was carried out by comparing Donggala earthquake’s acceleration response spectra with the existing design spectra, at the MPSI accelerograph station. The site class at MPSI station is hard soil (SC). The seismic hazard in Palu and Donggala refers to SNI 1726:2002 is included in the earthquake area 4. The maximum earthquake response factor for earthquake area 4 is about 0.6 for hard soil type (SC). The MPSI station recorded peak ground acceleration of Donggala earthquake around 0.14 g. The acceleration response spectra recorded at the MPSI station showed a peak value of around 0.71 g for the N component. This value is actually still below the design spectra referring to SNI 1726:2012, which the peak value is 0.88 g for SC, but, it exceeded the design spectra of SNI 1726:2002.
 
Publisher Fakultas Teknik Universitas Sam Ratulangi
 
Date 2019-06-30
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://seps.unsrat.ac.id/journals/index.php/joseps/article/view/3
10.35793/joseps.v1i1.3
 
Source Journal of Sustainable Engineering: Proceedings Series; Vol 1 No 1 (2019); 20-26
2685-8762
10.35793/joseps.v1i1
 
Language eng
 
Relation http://seps.unsrat.ac.id/journals/index.php/joseps/article/view/3/3
 
Rights Copyright (c) 2019 Journal of Sustainable Engineering: Proceedings Series
 

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