Numerical validation of Multiplex Acceleration Model for earthquake induced landslides | Zendy

Lu Zheng | Zendy; Guangqi Chen | Zendy; Kouki Zen | Zendy; Kiyonobu Kasama | Zendy

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Numerical validation of Multiplex Acceleration Model for earthquake induced landslides

Author(s) -

Lu Zheng,

Guangqi Chen,

Kouki Zen,

Kiyonobu Kasama

Publication year - 2012

Publication title -

geomechanics and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.622

H-Index - 29

eISSN - 2092-6219

pISSN - 2005-307X

DOI - 10.12989/gae.2012.4.1.039

Subject(s) - earthquake shaking table , landslide , geology , acceleration , earthquake simulation , seismology , peak ground acceleration , geotechnical engineering , scale (ratio) , seismic microzonation , mitigation of seismic motion , ground motion , earthquake scenario , seismic hazard , cartography , physics , classical mechanics , geography

Due to strong ground motion of earthquake, the material in the landslide can travel a significant distance from the source. A new landslide model called Multiplex Acceleration Model (MAM) has been proposed to interpret the mechanism of long run-out movement of this type of landslide, considering earthquake behaviors on slope and landslide materials. In previous study, this model was verified by a shaking table test. However, there is a scale limitation of shaking table test to investigate MAM in detail. Thus, numerical simulation was carried out in this study to validate MAM under full scale. A huge rock ejected and A truck threw upwards by seismic force during Wenchuan Earthquake (Ms. 8.0) was discussed based on the simulation results. The results indicate that collisions in P-phase of earthquake and trampoline effect are important behaviors to interpret the mechanism of long run-out and high velocity. The results show that MAM is acceptable and applicable.

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