Journal Article10.1016/J.SOILDYN.2004.05.001
Characterization of forward-directivity ground motions in the near-fault region
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TL;DR: In this article, a simplified parameterization is proposed based on a representative amplitude, pulse period, and number of significant pulses in the velocity-time history to estimate the peak ground velocity and period of the velocity pulse (Tv) of available forward-directivity motions.
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About: This article is published in Soil Dynamics and Earthquake Engineering. The article was published on 01 Dec 2004. The article focuses on the topics: Moment magnitude scale & Magnitude (mathematics).
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Citations
On inelastic response spectra of pulse‐type ground motion based on decomposition method
TL;DR: In this article, the influence of different frequency components on the amplitude parameters and inelastic response spectral characterizations of pulse-type ground motions was investigated. But the results were limited to 12 large earthquakes.
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Near-Fault Earthquake Ground Motion and Seismic Isolation Design
01 Jan 2023
TL;DR: In this paper , the behavior of base-isolated buildings under near-fault ground motions with fling-step and forward-directivity characteristics is investigated in a parametric format.
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Behavior of Base-Isolated Liquid Storage Tanks with Viscous Dampers under Historical Earthquakes Considering Superstructure Flexibility
E. Güler,Cenk Alhan +1 more
- 13 Oct 2023
TL;DR: Base-isolated LSTs with supplemental VDs may require additional design considerations for near-fault and far-fault earthquakes considering the tank flexibility and slenderness ratio.
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Simulation of Near-Field Pulse-Like Ground Motion
Izuru Takewaki,Abbas Moustafa,Kohei Fujita +2 more
- 01 Jan 2013
TL;DR: In this paper, the authors developed a model to predict ground motions from possible future earthquakes, which is the first step toward the robust assessment and mitigation of structural damage against earthquake hazards, and showed that the ground motion has its energy in a narrow frequency range and produces larger damage in the structure compared to ordinary records.
1
Near-Fault Pulse Ground Motion Decomposition Based on Improved Wavelet Multi-scale Analysis Method
Alexander Demandt
- 08 Sep 2022
TL;DR: In this article , the authors improved the wavelet multi-scale analysis method and obtained the low-frequency and high-frequency components that can decompose the near-fault pulse-type ground motion into specific values with the boundary frequency.
1
References
Modification of Empirical Strong Ground Motion Attenuation Relations to Include the Amplitude and Duration Effects of Rupture Directivity
TL;DR: In this article, the authors developed modifications to empirical strong ground motion attenuation relations to account for the effects of rupture directivity on strong motion amplitudes and durations, based on an empirical analysis of near-fault data.
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Empirical Response Spectral Attenuation Relations for Shallow Crustal Earthquakes
TL;DR: In this article, empirical response spectral attenuation relations for the average horizontal and vertical component for shallow earthquakes in active tectonic regions were derived using a database of 655 recordings from 58 earthquakes.
1.1K
Characterizing Crustal Earthquake Slip Models for the Prediction of Strong Ground Motion
Paul Somerville,Kojiro Irikura,Robert W. Graves,Sumio Sawada,David J. Wald,Norman A. Abrahamson,Yoshinori Iwasaki,Takao Kagawa,Nancy F. Smith,Akira Kowada +9 more
TL;DR: A large amount of work has been done in recent years to estimate the distribution of slip on the fault surface during earthquakes as mentioned in this paper, and these slip models are derived from longer period ground motions: strong-motion velocity and displacement, and teleseismic velocity seismograms.
A Mathematical Representation of Near-Fault Ground Motions
TL;DR: In this paper, a simple, yet effective, analytical model is proposed for the representation of near-field strong ground motions, which can be used to analyze empirical observations that are based on available near-source records.
881
Near‐source ground motion and its effects on flexible buildings
TL;DR: In this article, the authors simulated a Mw7.0 earthquake on a blind-thrust fault and found that flexible frame and base-isolated buildings would experience severe nonlinear behavior including the possibility of collapse at some locations.