Mechanism analysis of earthquake induced extreme motions: Clarifying extreme acceleration

Guangqi Chen, Tsukasa Kawakami, Yingbin Zhang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Earthquake induced extreme motions are classified as the extreme large acceleration, the extreme large velocity and the extreme large displacement. In this paper, a sudden braking model is proposed for the mechanism of the extreme large acceleration, i.e. The extreme large acceleration can easily occur when a moving body is suddenly braked. The model is verified by theoretical analysis, laboratory experiments and numerical simulation using DDA. It is successful to reproduce the unprecedented vertical surface acceleration of nearly four times gravity, recorded at the West Ichinoseki station during the 14 June 2008 Iwate-Miyagi earthquake (Ms6.9) in Japan, by DDA simulation.

Original languageEnglish
Title of host publication51st US Rock Mechanics / Geomechanics Symposium 2017
PublisherAmerican Rock Mechanics Association (ARMA)
Pages2905-2910
Number of pages6
ISBN (Electronic)9781510857582
Publication statusPublished - Jan 1 2017
Event51st US Rock Mechanics / Geomechanics Symposium 2017 - San Francisco, United States
Duration: Jun 25 2017Jun 28 2017

Publication series

Name51st US Rock Mechanics / Geomechanics Symposium 2017
Volume4

Other

Other51st US Rock Mechanics / Geomechanics Symposium 2017
CountryUnited States
CitySan Francisco
Period6/25/176/28/17

Fingerprint

Earthquakes
earthquakes
earthquake
braking
Braking
simulation
Japan
Gravitation
stations
gravity
gravitation
analysis
Computer simulation
Experiments
bis(p-chlorophenyl)acetic acid

All Science Journal Classification (ASJC) codes

  • Geochemistry and Petrology
  • Geophysics

Cite this

Chen, G., Kawakami, T., & Zhang, Y. (2017). Mechanism analysis of earthquake induced extreme motions: Clarifying extreme acceleration. In 51st US Rock Mechanics / Geomechanics Symposium 2017 (pp. 2905-2910). (51st US Rock Mechanics / Geomechanics Symposium 2017; Vol. 4). American Rock Mechanics Association (ARMA).

Mechanism analysis of earthquake induced extreme motions : Clarifying extreme acceleration. / Chen, Guangqi; Kawakami, Tsukasa; Zhang, Yingbin.

51st US Rock Mechanics / Geomechanics Symposium 2017. American Rock Mechanics Association (ARMA), 2017. p. 2905-2910 (51st US Rock Mechanics / Geomechanics Symposium 2017; Vol. 4).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chen, G, Kawakami, T & Zhang, Y 2017, Mechanism analysis of earthquake induced extreme motions: Clarifying extreme acceleration. in 51st US Rock Mechanics / Geomechanics Symposium 2017. 51st US Rock Mechanics / Geomechanics Symposium 2017, vol. 4, American Rock Mechanics Association (ARMA), pp. 2905-2910, 51st US Rock Mechanics / Geomechanics Symposium 2017, San Francisco, United States, 6/25/17.
Chen G, Kawakami T, Zhang Y. Mechanism analysis of earthquake induced extreme motions: Clarifying extreme acceleration. In 51st US Rock Mechanics / Geomechanics Symposium 2017. American Rock Mechanics Association (ARMA). 2017. p. 2905-2910. (51st US Rock Mechanics / Geomechanics Symposium 2017).
Chen, Guangqi ; Kawakami, Tsukasa ; Zhang, Yingbin. / Mechanism analysis of earthquake induced extreme motions : Clarifying extreme acceleration. 51st US Rock Mechanics / Geomechanics Symposium 2017. American Rock Mechanics Association (ARMA), 2017. pp. 2905-2910 (51st US Rock Mechanics / Geomechanics Symposium 2017).
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