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Scenario Dependence of Linear Site‐Effect Factors for Short‐Period Response Spectral Ordinates

2017; Seismological Society of America; Volume: 107; Issue: 6 Linguagem: Inglês

10.1785/0120170084

1943-3573

Peter J. Stafford, Adrián Rodríguez-Marek, Benjamin Edwards, Pauline P. Kruiver, Julian J. Bommer,

earthquake and tectonic studies

Research Article| October 17, 2017 Scenario Dependence of Linear Site‐Effect Factors for Short‐Period Response Spectral Ordinates Peter J. Stafford; Peter J. Stafford aDepartment of Civil & Environmental Engineering, Imperial College London, London SW7 2AZ, United Kingdom, p.stafford@imperial.ac.uk Search for other works by this author on: GSW Google Scholar Adrian Rodriguez‐Marek; Adrian Rodriguez‐Marek bThe Charles E. Via, Jr. Dept of Civil & Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24061 Search for other works by this author on: GSW Google Scholar Benjamin Edwards; Benjamin Edwards cDepartment of Earth, Ocean and Ecological Sciences, University of Liverpool, Liverpool L69 3GP, United Kingdom Search for other works by this author on: GSW Google Scholar Pauline P. Kruiver; Pauline P. Kruiver dDeltares, P.O. Box 85467, 3508 AL Utrecht, The Netherlands Search for other works by this author on: GSW Google Scholar Julian J. Bommer Julian J. Bommer aDepartment of Civil & Environmental Engineering, Imperial College London, London SW7 2AZ, United Kingdom, p.stafford@imperial.ac.uk Search for other works by this author on: GSW Google Scholar Author and Article Information Peter J. Stafford aDepartment of Civil & Environmental Engineering, Imperial College London, London SW7 2AZ, United Kingdom, p.stafford@imperial.ac.uk Adrian Rodriguez‐Marek bThe Charles E. Via, Jr. Dept of Civil & Environmental Engineering, Virginia Tech, Blacksburg, Virginia 24061 Benjamin Edwards cDepartment of Earth, Ocean and Ecological Sciences, University of Liverpool, Liverpool L69 3GP, United Kingdom Pauline P. Kruiver dDeltares, P.O. Box 85467, 3508 AL Utrecht, The Netherlands Julian J. Bommer aDepartment of Civil & Environmental Engineering, Imperial College London, London SW7 2AZ, United Kingdom, p.stafford@imperial.ac.uk Publisher: Seismological Society of America First Online: 17 Oct 2017 Online Issn: 1943-3573 Print Issn: 0037-1106 Bulletin of the Seismological Society of America (2017) 107 (6): 2859–2872. https://doi.org/10.1785/0120170084 Article history First Online: 17 Oct 2017 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn MailTo Tools Icon Tools Get Permissions Search Site Citation Peter J. Stafford, Adrian Rodriguez‐Marek, Benjamin Edwards, Pauline P. Kruiver, Julian J. Bommer; Scenario Dependence of Linear Site‐Effect Factors for Short‐Period Response Spectral Ordinates. Bulletin of the Seismological Society of America 2017;; 107 (6): 2859–2872. doi: https://doi.org/10.1785/0120170084 Download citation file: Ris (Zotero) Refmanager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex toolbar search Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentBy SocietyBulletin of the Seismological Society of America Search Advanced Search Abstract Ground‐motion models for response spectral ordinates commonly partition site‐response effects into linear and nonlinear components. The nonlinear components depend upon the earthquake scenario being considered implicitly through the use of the expected level of excitation at some reference horizon. The linear components are always assumed to be independent of the earthquake scenario. This article presents empirical and numerical evidence as well as a theoretical explanation for why the linear component of site response depends upon the magnitude and distance of the earthquake scenario. Although the impact is most pronounced for small‐magnitude scenarios, the finding has significant implications for a number of applications of more general interest including the development of site‐response terms within ground‐motion models, the estimation of ground‐motion variability components ϕS2S and ϕSS⁠, the construction of partially nonergodic models for site‐specific hazard assessments, and the validity of the convolution approach for computing surface hazard curves from those at a reference horizon, among others. All of these implications are discussed in the present article. You do not have access to this content, please speak to your institutional administrator if you feel you should have access.