Critical Characterization and Modeling of Pulse-Like Near-Field Strong Ground Motion

Izuru Takewaki, Abbas Moustafa and Kohei Fujita
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Izuru Takewaki: Kyoto University
Abbas Moustafa: Minia University
Kohei Fujita: Kyoto University

Chapter Chapter 4 in Improving the Earthquake Resilience of Buildings, 2013, pp 65-92 from Springer

Abstract: Abstract Pulse-like (also known as resonant, cycloidal pulses, or impulse-like) ground motion has been observed in near-field (also near-fault or near-source) records with directivity focusing or fling effects. This class of ground motion is significantly influenced by the rupture mechanism, substantially different from ordinary ground motion records, and can be characterized by the following features [1–8, among others]: (1) long period and large amplitudes, (2) high peak ground velocity (PGV)/peak ground acceleration (PGA) and peak ground displacement (PGD)/PGA ratios, (3) unusual response spectra shapes, and (4) concentration of energy in one or very few pulses.

Keywords: Ground Motion; Peak Ground Acceleration; Ground Acceleration; Damage Index; Strong Ground Motion (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:spr:ssrchp:978-1-4471-4144-0_4

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DOI: 10.1007/978-1-4471-4144-0_4

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