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Earth Surface Dynamics An interactive open-access journal of the European Geosciences Union
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ESurf | Articles | Volume 6, issue 3
Earth Surf. Dynam., 6, 637–649, 2018
https://doi.org/10.5194/esurf-6-637-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Earth Surf. Dynam., 6, 637–649, 2018
https://doi.org/10.5194/esurf-6-637-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 03 Aug 2018

Research article | 03 Aug 2018

Mechanical state of gravel soil in mobilization of rainfall-induced landslides in the Wenchuan seismic area, Sichuan province, China

Liping Liao et al.

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Short summary
In this paper, artificial model tests were used to observe the changes of soil moisture content and pore water pressure, as well as macroscopic and microscopic phenomena of gravel soil. In addition, the mathematical formula of the critical state was derived from the triaxial test data. Finally, the mechanical states of gravel soil were determined. In the process of landslide initiation, dilatation and contraction were two types of gravel soil state, but dilatation was dominant.
In this paper, artificial model tests were used to observe the changes of soil moisture content...
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