GENERATING OF DISSIPATIVE STRUCTURES DURING GROUND IRREVERSIBLE MOVEMENT
Journal Title: Вісник Кременчуцького національного університету імені Михайла Остроградського - Year 2017, Vol 1, Issue 105
Abstract
Purpose. To detect dissipative structures which emerge due to irreversible movement and deformation of the rock mass, to trace their evolution and determine their parameters. Methodology of this research encompassed combination of thermodynamics of irreversible processes, computer simulation, physical modeling, and actual measurements the nonreversible deformation of the rock mass that surrounds an underground roadway. Results. Special monitoring of the irreversible movement of the ground revealed that the dissipative structures disperse the ground pressure energy and bifurcate periodically, evolving their pattern. Average interval between sequential bifurcations is reversely proportional to the vertical component of the ground pressure and extended as the strength of the surrounding rock increased. Evolution of the dissipative structures minimized entropy production due to close or short interaction of rock fragments and long cooperation of their clusters. Originality. For the first time, it has been found close and far interaction in the process of irreversible movement of the ground and damaged rock mass. New principle of ground stabilization has been developed based on restriction both transversal and rotational degrees of freedom of the rock mass, which has been involved to irreversible movement. Practical value. The principle of the degree of freedom restriction facilitates the development of new methods and improvement existent technologies for ground control.
Authors and Affiliations
L. M. Zakharova
Keywords
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