ABSTRACT
The algorithm for studying the behavior of the geomechanical system includes the primary assessment of anomalous stress-strain state (SSS) zones in the rock massif surrounding mine working and a subsequent study of the elements state of the basic fastening and security schemes in order to create the basis for the recommendations development. This chapter presents a consistent study of the vertical σy and horizontal σx stresses components, as well as the stresses intensity σ. With the destruction of a certain volume of rocks in the zone of hinged-block displacement, it becomes possible for relatively free horizontal movements of the rock layers and the thrust forces dramatically decrease; along with them, the stability of thrust rock structures decreases. Their collapse is developed sequentially from the underlying layers to the overlying ones. In the process of collapse, the backing from the side of underlying layers disappears and under the influence of the vertical rock pressure, the overlying layers become unstable.
