Elastic and Inelastic Response Spectra Considering Near-Fault Effects
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Date
2011
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TAYLOR & FRANCIS LTD
Abstract
The differences in structural response to near-fault pulse-like, near-fault non pulse-like, and far-fault ground motions are examined based on elastic and inelastic response spectra. As a first step, the criteria to identify pulse-like motions are examined. The influence of the ground motion orientation is also studied, considering the normal to strike orientation, and the principal directions of motion among others. The characteristics of the spectral shapes are synthesized constructing smoothed spectra using the Veletsos-Newmark-Hall methodology, i.e., considering response amplification factors for elastic systems and response reduction factors for inelastic systems.
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Keywords
Earthquake Response, Near-Fault Effects, Pulse-Like Motions, Elastic Spectrum, Inelastic Spectrum, Principal Directions of Motion, Design Spectrum, PEAK GROUND VELOCITY, SDOF SYSTEMS, MOTIONS, DIRECTIVITY, EARTHQUAKE, BUILDINGS