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METHOD FOR PREDICTING THE GEOTECHNICAL STABILITY BASED ON THE SELECTION AND ANALYSIS OF BIFURCATION FEATURES OF SOFT TRANSITIONS
Abstract
Currently, geotechnical monitoring systems are used to solve the problems of protecting the life-supporting and technical objects from possible catastrophic scenarios during the life cycle of objects as a whole. They allow us to assess geomechanical changes in the geological environment, as well as to carry out technological control of buildings and structures in order to form a predictive assessment of the possibility of man-made disasters. It is determined that the main problem of emergency situations on technical and life-supporting objects is associated with the omission of unexpected geodynamic changes in the zone of influence of objects and delayed response of control systems to them. All these cases fit the definition of "beyond project situation" and are associated with various geodynamic factors, especially in cases where geotechnical systems are located in areas with possible activation of exogenous processes. This work is devoted to solving the problem of improving the efficiency of geotechnical monitoring by applying the technology of integrating geotechnical control methods to identify bifurcation features of soft transitions and their combined assessment, as well as the forecast of the probability of catastrophic development of the geotechnical system as a whole and individual technical objects in particular based on the use of man-made vibration disturbances. In this case, it is assumed to use man-made vibration disturbances of a cyclical nature as a source of seismoacoustic noise with the use of geoelectric and seismoacoustic methods of geotechnical and geodynamic control applied to the research problems. Algorithms for detecting and predicting defects, compensating for man-made and natural interference, and locating defects based on observations of a distributed network of geotechnical control of objects based on the integration of geotechnical and geodynamic control are presented.
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