Integration methods to predict the rock mechanical behavior using RocSlope

Abstract

This paper proposes a method to predict mechanical failure-mechanicsm. This method is capable of predicting failure mechanism of diverse geo-hazards, such as landslides, rock slope failures, etc. The method uses the displacement or strain divergence phenomenon in the fatal phase of failure to predict failure mechanism irrespective of failure mechanism, lithology and other parameters. Using the proposed method (RocSlope), prediction of failure mechanism of case histories was done (Rock mass failure and landslides) and laboratory studies (creep tests). In most cases, safe predictions were obtained. RocSlope, is a simple, quick and reliable practical method that revealed independency to volume of failure, lithology and failure mechanism. In addition, two empirical relations to estimate the terminal phase of failure and the critical deformation rate were developed, these practical relations complement the RocSlope method. This research will analysed rock orginally from a cool temperate region in West Hokkaido,Japan was presented. A rock slope deformations of jointed-chert rock were monitored using six surface fracturedisplacement sensors. Some movements that could be related to joint growth were observed. With the RocSlope, rock mass and rock deformations were numerically analysed and joints deformations were dominantly caused by thermal fatigue. Affects of the minor freezing on deformation of rock slope can be seen were observed.