In engineering projects associated with rock mechanic science like open pit mines, assessment and slope stability of mine walls is one of the important performance in generate of these structures. Estimating and knowledge of type of failures is one of main parts that should be occurring to special attention in open pit mines studies phase. Failure phenomenon occurrence in natural and artificial al rock slopes such as open-pit mines and road trenches are important issues these projects face. Projects of Chadormalu iron ore mine which includes completely crushed rock walls due to tectonic activities of Chadormalu fault is a case whose west wall raptures are analyzed on the basis of kinematic and empirical methods. Results obtained from this survey by kinematic (stereonet analysis) and empirical methods (SMR classification system) show that presence of various faulty surfaces and lots of fractures in rock mass will form different planar and wedge failures in the mine wall. In addition, studying and comparing the results obtained from these two methods indicate a good agreement among data of kinematic and empirical methods.

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