NDLI: New code site classification, amplification factors and normalized response spectra based on a worldwide ground-motion database

Content Provider	Springer Nature Link
Author	Pitilakis, Kyriazis Riga, Evi Anastasiadis, Anastasios
Copyright Year	2013
Abstract	A global dataset of more than 3,000 ground motion records from 536 sites from Greece, Italy, Turkey, USA and Japan is compiled and used to propose code-oriented elastic acceleration response spectra and soil amplification factors for a new site classification system, which, besides the classical geotechnical parameters $$N_{SPT}, S_{u}$$ and PI, uses also the fundamental period of the site, the thickness of soil deposits and the average shear wave velocity to the seismic bedrock, instead of $$V_{s,30}$$ . We propose a new classification system with the associated amplification factors and normalized response spectra for two seismicity levels, i.e. $$M_{s}\le 5.5$$ and $$M_{s}>5.5$$ . Uncertainties in the estimation of soil amplification factors are captured using a logic-tree approach, which allows the efficient use of alternative models and methods. The aim of this work is to improve the present EC8 soil classification. The effectiveness of the proposed classification system is compared to that of EC8 classification system using an error term, which represents the average dispersion of data within all categories of a given classification scheme. Error terms for the new classification system are lower than the error terms for EC8 classification system at all periods.
Starting Page	925
Ending Page	966
Page Count	42
File Format	PDF
ISSN	1570761X
Journal	Bulletin of Earthquake Engineering
Volume Number	11
Issue Number	4
e-ISSN	15731456
Language	English
Publisher	Springer Netherlands
Publisher Date	2013-02-10
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Soil classification system Design spectra Soil amplification factors Geotechnical Engineering & Applied Earth Sciences Environmental Engineering/Biotechnology Civil Engineering Geophysics/Geodesy Hydrogeology Structural Geology
Content Type	Text
Resource Type	Article
Subject	Building and Construction Geophysics Geotechnical Engineering and Engineering Geology Civil and Structural Engineering

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Erratum to: New code site classification, amplification factors and normalized response spectra based on a worldwide ground-motion database

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