Importance of study of creep sliding mechanism to prevention and treatment of reservoir landslide

摘要

Creep sliding mechanism of the reservoir landslide and creepage property of the sliding-zonesoil are theoretically studied from the viewpoint of dynamics. The results show that the increase and decrease ofthe shearing stress ratio for the sliding plane of a reservoir landslide and the viscosity coefficient of the soil inthe sliding zone are the essential conditions which can define whether the creep sliding of the landslide will turnto a violent sliding. It has proved that the slide acceleration test by simulating the operational conditions of thereservoir with a representative sliding block under appropriate environmental conditions is a reliable approachto verify the creep sliding mechanism of reservoir landslide and an effective method to treat the landslide andeliminate in advance the danger of landslide surge.