Seismic response validation of simulated soil models to vertical array record during a strong earthquake
Misliniyati R.a,b, Mase L.Z.b, Irsyam M.a, Hendriyawana, Sahadewa A.a
a Department of Civil Engineering, Faculty of Civil and Environmental Engineering, Institut Teknologi Bandung, Bandung, 40132, Indonesia
b Department of Civil Engineering, Faculty of Engineering, University of Bengkulu, Bengkulu, 38371A, Indonesia
Abstract
© 2019 Published by ITB Journal Publisher,.Several soil models, such as linear elastic, equivalent linear, and non-linear models, are employed in seismic ground response analysis. The aim of this study was to validate the seismic responses at ground surface of several soil models with the vertical array record of the Kobe earthquake. One-dimensional seismic response analyses were performed at Port Island using several soil models. The responses at ground surface from the simulated soil models were validated with the vertical array record of the Kobe earthquake. The results showed that the extended hyperbolic model yielded the most appropriate response according to the Kobe earthquake’s recorded motion. This means that this model can be considered a suitable soil model to predict the response of strong earthquakes. In general, the results support the recommendation to select the most appropriate soil model for seismic ground response analysis.
Author keywords
Kobe earthquake,Port Island,Seismic ground response analysis,Soil model,Strong earthquakes,Vertical array records
Indexed keywords
Kobe earthquake,Port Island,Seismic ground response analyses,Soil models,Strong earthquake,Vertical array record
Funding details
This research was supported by research grant no. 2357/UN30.15/LT/2018 and 2183/UN30.15/LT/2019 from the University of Bengkulu, Indonesia. The authors would like to thank the National Research Institute for Earth Science and Disaster Resilience (NIED), Japan for the vertical array of the 1995 Kobe earthquake. The first author would also like to thank the Directorate of Indonesian Higher Education of Ministry of Education (DIKTI) for his doctoral scholarship.