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

In: Improving the Earthquake Resilience of Buildings

Author

Listed:
  • Izuru Takewaki

    (Kyoto University)

  • Abbas Moustafa

    (Minia University)

  • Kohei Fujita

    (Kyoto University)

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.

Suggested Citation

  • Izuru Takewaki & Abbas Moustafa & Kohei Fujita, 2013. "Critical Characterization and Modeling of Pulse-Like Near-Field Strong Ground Motion," Springer Series in Reliability Engineering, in: Improving the Earthquake Resilience of Buildings, edition 127, chapter 0, pages 65-92, Springer.
    • Handle: RePEc:spr:ssrchp:978-1-4471-4144-0_4
    DOI: 10.1007/978-1-4471-4144-0_4
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