Technical Note: Practical Challenges Facing the Selection of Conditional Spectrum-Compatible Accelerograms

Date

2017-01-01

Author

Ay, Bekir Özer
Fox, Matthew James
Sullivan, Timothy John

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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There are various possibilities for the selection and scaling of ground motions for advanced seismic assessment of buildings using nonlinear response-history analyses. As part of an on-going project looking at building-specific loss assessment in Italy, this article highlights a number of challenges currently facing the use of conditional spectra for ground motion selection in practice, essentially related to the limited amount of seismic hazard information that is publicly available. To illustrate the points being made, the challenges faced when trying to develop conditional spectra and select spectrum-compatible accelerograms for a rock site in Napoli, Italy, are described and the seismic assessment results obtained for a number of reinforced concrete wall structures are presented. Aside from providing practitioners with an appreciation of the potential difficulty associated with using conditional spectra for record selection, this technical note should also motivate national authorities to provide more background information on national seismic hazard data and detailed guidance for record selection.

Subject Keywords

Geotechnical Engineering and Engineering Geology, Civil and Structural Engineering, Building and Construction

URI

https://hdl.handle.net/11511/37206

Collections

Department of Architecture, Article