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

Causse, Mathieu and Laurendeau, Aurore and Perrault, Matthieu and Douglas, John and Bonilla, Luis Fabian and Guéguen, Philippe (2014) Eurocode 8-compatible synthetic time-series as input to dynamic analysis. Bulletin of Earthquake Engineering, 12 (2). pp. 755-768. ISSN 1573-1456

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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 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 time-series generated using stationary stochastic approaches. The results of these calculations reveal considerable variability in response despite the similarities in terms of spectral acceleration.

ORCID iDs

Causse, Mathieu, Laurendeau, Aurore, Perrault, Matthieu, Douglas, John ORCID logoORCID: https://orcid.org/0000-0003-3822-0060, Bonilla, Luis Fabian and Guéguen, Philippe;