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In analyzing the stability of rock slopes the most important patterns of failure involve planar, polygonal and wedge-shaped sliding surfaces. The sliding surfaces can also be stepped and the rock mass may also be composed of several bodies interacting with one another along internal failure surfaces. In many cases parametric studies for different modes of failure of the same rock mass have to be carried out. To facilitate the numerical procedure and to increase clarity of the basic mechanics of failure a unified mathematical treatment of the different failure modes has been attempted. Of special importance is the analogy between the problems of plane and wedge failure leading to a dramatic simplification of the mathematical treatment of the latter. As a consequence wedge failure also on stepped and polygonal sliding surfaces can be analyzed, cases which have not yet been dealt with in literature.
Authors:Kovári, Kalman and Fritz, Pit
Index Terms:slope; stability; monitoring; rock; TunnelingGroup; polygonal; Fritz, Pit; Kovari, Kalman
The simple DOS programs SLOPE and POLY for analyzing slopes with plane, wedge and polygonal sliding surfaces may be downloaded and used free of charge from our FTP server.
Further Information:Date published: 1984