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Eurocode 8-compatible synthetic time-series as input to dynamic analysis

Abstract : Nonlinear dynamic analysis of existing or planned structures often requires the use of accelerograms that match a target design spectrum. Here, our main concern is to generate a set of motions with a good level of fit to the Eurocode 8 (EC8) design spectra for France. Synthetic time series are generated by means of a non-stationary stochastic method. To calibrate the input parameters in the stochastic approach, we select a reference set of accelerograms for a Eurocode 8 type B site category from the PEER Ground-Motion Database, which are then adjusted to the target spectrum through wavelet addition. Then, we compute nonlinear seismic responses of a soil column, including pore pressure effects, and brittle and ductile structures to the stochastic time-series, the natural accelerograms and timeseries generated using stationary stochastic approaches. The results of these calculations reveal considerable variability in response despite the similarities in terms of spectral acceleration.
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Soumis le : mercredi 30 octobre 2013 - 11:41:32
Dernière modification le : jeudi 24 septembre 2020 - 13:30:04
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Mathieu Causse, Aurore Laurendeau, Mathieu Perrault, John Douglas, Luis Fabian Bonilla, et al.. Eurocode 8-compatible synthetic time-series as input to dynamic analysis. Bulletin of Earthquake Engineering, Springer Verlag, 2014, 12 (2), pp.755-768. ⟨10.1007/s10518-013-9544-2⟩. ⟨hal-00878538⟩

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