Articles | Volume 6, issue 3
Earth Surf. Dynam., 6, 637–649, 2018
https://doi.org/10.5194/esurf-6-637-2018
Earth Surf. Dynam., 6, 637–649, 2018
https://doi.org/10.5194/esurf-6-637-2018

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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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anna Wenzel on behalf of the Authors (18 Jun 2018)  Author's response
ED: Referee Nomination & Report Request started (03 Jul 2018) by Orencio Duran Vinent
ED: Publish as is (18 Jul 2018) by Orencio Duran Vinent
ED: Publish subject to technical corrections (19 Jul 2018) by Niels Hovius(Editor)
AR by Yingyan Zhu on behalf of the Authors (20 Jul 2018)  Author's response    Manuscript
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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.