Modification of Ground Motions for Use in Central North America

Derek L. Kozak; Jie Luo; Scott M. Olson; James M. LaFave; Larry A. Fahnestock

doi:10.1080/13632469.2017.1387190

Modification of Ground Motions for Use in Central North America

Derek L. Kozak, Jie Luo, Scott M. Olson, James M. LaFave, Larry A. Fahnestock

Research output: Contribution to journal › Article › peer-review

Abstract

Existing procedures are used to modify available recorded ground motions to conform to realistic seismic hazard and regional soil conditions for Central North America. Site-specific bedrock ground motions were defined by spectrally-matching select recorded ground motions to conditional mean spectra (CMS) corresponding to a 1000-year return period. Soil profiles developed using existing soil data from the region are used to propagate the bedrock ground motions to the ground surface, for use in dynamic structural analysis. A suite of surface ground motions was developed for locations in southern Illinois; these ground motions are available in an online repository.

Original language	English (US)
Pages (from-to)	1385-1406
Number of pages	22
Journal	Journal of Earthquake Engineering
Volume	23
Issue number	8
DOIs	https://doi.org/10.1080/13632469.2017.1387190
State	Published - Sep 14 2019

Keywords

Conditional Mean Spectrum
Dynamic Structural Analysis
Earthquake Response
Ground Motions
Uniform Hazard Response Spectrum

ASJC Scopus subject areas

Safety, Risk, Reliability and Quality

Online availability

10.1080/13632469.2017.1387190

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abstract = "Existing procedures are used to modify available recorded ground motions to conform to realistic seismic hazard and regional soil conditions for Central North America. Site-specific bedrock ground motions were defined by spectrally-matching select recorded ground motions to conditional mean spectra (CMS) corresponding to a 1000-year return period. Soil profiles developed using existing soil data from the region are used to propagate the bedrock ground motions to the ground surface, for use in dynamic structural analysis. A suite of surface ground motions was developed for locations in southern Illinois; these ground motions are available in an online repository.",

keywords = "Conditional Mean Spectrum, Dynamic Structural Analysis, Earthquake Response, Ground Motions, Uniform Hazard Response Spectrum",

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AU - Luo, Jie

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AB - Existing procedures are used to modify available recorded ground motions to conform to realistic seismic hazard and regional soil conditions for Central North America. Site-specific bedrock ground motions were defined by spectrally-matching select recorded ground motions to conditional mean spectra (CMS) corresponding to a 1000-year return period. Soil profiles developed using existing soil data from the region are used to propagate the bedrock ground motions to the ground surface, for use in dynamic structural analysis. A suite of surface ground motions was developed for locations in southern Illinois; these ground motions are available in an online repository.

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Modification of Ground Motions for Use in Central North America

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