Seed Selection and Development of Bedrock Ground Motions for Stable Continental Conditions in Queens, New York City
Publication: Geo-Congress 2022
ABSTRACT
This paper presents a study in which five pairs of bedrock ground motion time histories were developed by spectrally matching to a code-compliant target response spectrum determined for a site in Queens, New York City (NYC), within the Stable Continental Region (SCR) of Central and Eastern United States (CEUS). The ground motion time histories were used as input to site response analyses (SRA) performed for the site as part of a companion study. This study was conducted considering the current version of NYC Building Code with a target spectrum defined as the risk-targeted maximum considered earthquake (MCER) spectrum per ASCE 7-10 and incorporates suitable approaches for SCRs. The MCER spectrum was derived based on a uniform hazard spectrum (UHS) with 2% probability of exceedance in 50 years. This paper addresses the key challenges and suitable approaches for selection and modification of records for bedrock ground motion development in the region.
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Geo-Congress 2022
Pages: 717 - 725
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Published online: Mar 17, 2022
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