Journal ArticleDOI
REXEL: computer aided record selection for code-based seismic structural analysis
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TLDR
It is shown how REXEL can effectively be a contribution to code-based real records selection for seismic structural analysis.Abstract:
In code-based seismic design and assessment it is often allowed the use of real records as an input for nonlinear dynamic analysis. On the other hand, international seismic guidelines, concerning this issue, have been found hardly applicable by practitioners. This is related to both the difficulty in rationally relating the ground motions to the hazard at the site and the required selection criteria, which do not favor the use of real records, but rather various types of spectrum matching signals. To overcome some of these obstacles a software tool for code-based real records selection was developed. REXEL, freely available at the website of the Italian network of earthquake engineering university labs (http://www.reluis.it/index_eng.html), allows to search for suites of waveforms, currently from the European Strong-motion Database, compatible to reference spectra being either user-defined or automatically generated according to Eurocode 8 and the recently released new Italian seismic code. The selection reflects the provisions of the considered codes and others found to be important by recent research on the topic. In the paper, record selection criteria are briefly reviewed first, and then the algorithms implemented in the software are discussed. Finally, via some examples, it is shown how REXEL can effectively be a contribution to code-based real records selection for seismic structural analysis.read more
Citations
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Journal ArticleDOI
Selection of earthquake ground motion records: A state-of-the-art review from a structural engineering perspective
TL;DR: In this article, the authors present the most recent methods developed for selecting an appropriate set of records that can be used for dynamic analysis of structural systems in the context of performance-based design.
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PERPETUATE guidelines for seismic performance-based assessment of cultural heritage masonry structures
TL;DR: In this article, a displacement-based approach is adopted, because these structures crack even for low intensity earthquakes and can survive severe ones only if they have a sufficient displacement capacity, which is the main cause of damage for ancient masonry structures and is necessary to have accurate models for the seismic analysis, able to simulate the nonlinear behavior of masonry, and a well defined performance-based assessment procedure, aimed to guarantee the acceptable level of risk for the occupants and for the conservation of the monument itself.
Journal ArticleDOI
Conditional spectrum‐based ground motion record selection using average spectral acceleration
TL;DR: In this paper, the authors present a recasting of conditional spectrum record selection that is based on AvgSA over a period range as the conditioning seismic intensity measure for building response estimation whose hazard can be evaluated using existing ground motion prediction equations.
Journal ArticleDOI
Ground Motion Record Selection Based on Broadband Spectral Compatibility
TL;DR: In this paper, a software tool for computer-aided displacement-spectrum-compatible real ground motion record selection was developed for the selection of displacement spectrum compatible real ground motions, with special reference to Italy.
Journal ArticleDOI
Damage Control for Clay Masonry Infills in the Design of RC Frame Structures
TL;DR: In this paper, the performance of masonry infills in RC frame structures designed following European code provisions is investigated, with reference to different design parameters, including building height, level of design seismic loading, ductility class, masonry typology, and infill density.
References
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Journal ArticleDOI
Record selection for nonlinear seismic analysis of structures
TL;DR: In this paper, the authors investigated the effect of record selection and amplitude scaling on the nonlinear seismic response of structures and found little evidence to support the need for a careful site-specific record selection by magnitude and distance, and showed that concern over scenario-to-scenario record scaling may not be justified.
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Selection and Scaling of Ground Motion Time Histories for Structural Design Using Genetic Algorithms
TL;DR: The proposed method is capable of searching a set consisting of thousands of earthquake records and recommending a desired subset of records that match the target design spectrum with minimal tampering and the least mean square of deviation from the target spectrum.
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Selection and scaling of real accelerograms for bi-directional loading: A review of current practice and code provisions
Katrin Beyer,Julian J. Bommer +1 more
TL;DR: The aim of this study is to shed some light on a number of aspects involved when selecting and scaling records for bi-directional analysis and post-processing results of such analyses.
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Eurocode 8 Compliant Real Record Sets for Seismic Analysis of Structures
TL;DR: In this paper, the authors investigated the European Strong-Motion Database with the purpose of assessing whether it is possible to find real accelerogram sets complying with the EC8 spectra, while accounting for additional constraints believed to matter in the seismic assessment of buildings.
Journal ArticleDOI
Influence of long-period filter cut-off on elastic spectral displacements
Sinan Akkar,Julian J. Bommer +1 more
TL;DR: In this article, the effect of the long-period filter cut-off on elastic spectral displacements was investigated using a strong ground-motion database from Europe and the Middle East, and the relation between the filter and oscillator responses was considered to observe the influence of Tc for both analogue and digital records.