Abstract
The pseudo excitation method (PEM) has been improved into a more practical form, on which the analytic formulae of seismic response power spectral density (PSD) of simplified large-span structural models have been derived. The analytic formulae and numerical computing results of seismic response PSD have been derived to study the mechanism of multi-support excitation effects, such as the wave-passage effect and incoherence effect, for the seismic response of multiand large-span structures. By using a multi-span truss as an example, the influence of multi-support excitation effects on the seismic response of such structures is studied.
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Supported by: National Natural Science Foundation of China under Grant No. 51038006, Specializes Research Fund for the Doctoral Program of Higher Education under Grant No. 20090002110045
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Zhao, B., Wang, Y., Chen, Z. et al. Research on the random seismic response analysis for multi- and large-span structures to multi-support excitations. Earthq. Eng. Eng. Vib. 14, 527–538 (2015). https://doi.org/10.1007/s11803-015-0042-1
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DOI: https://doi.org/10.1007/s11803-015-0042-1