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Ingeniería sísmica

versión impresa ISSN 0185-092X


FLORES-LOPEZ, Francisco Alonso  y  AYES-ZAMUDIO, Juan Carlos. Generation of synthetic accelerograms using wavelets, oriented to geotechnical-structural applications. Ing. sísm [online]. 2018, n.98, pp.1-24. ISSN 0185-092X.

In this work, a procedure to generate synthetic accelerograms using wavelets is presented. General criteria and its applicability are presented, as well as conclusions of practical use to generate synthetic accelerograms for use in geotechnical or structural analysis and soil-structure interaction. Synthetic accelerograms are generated for different types of soils (rigid soils and soft soils of Mexico City and Caleta de Campos, Michoacán) and for several objective spectra as they are: normative design spectra, uniform hazard spectra and spectra derived of envelopes of seismic records. The stability of the method to generate synthetic accelerograms associated to any objective spectrum is shown, in addition to demonstrating that the modifications suffered by the Fourier spectra as well as the Arias intensities when this method is used to adjust real signals are minimal. With the examples shown in this work, it is concluded that the generation of the accelerograms employing wavelets is very stable and starting from the same seismic records it can generate synthetic accelerograms for different objective spectra.

Palabras llave : spectral matching; synthetic seismic records; wavelets.

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