Articles liés à Theory of Earthquake Premonitory and Fracture Processes
Synopsis
648 pages // The authors of this monograph made an attempt to join the physical laws governing processes that lead to rock damage and fracturing with the geophysical models of fault zones and models of premonitory processes before seismic events. Readers obtain a concise overview on current achievements and new trends in the theory of earthquake preparation and fracture processes. The monograph brings a consistent approach to the continuum description of complex deformation, fracture nucleation and fracturing in rocks. It is made up of six parts related to the following: physics of fracturing; dislocation and crack models of faults; earthquake premonitory and rebound theory; deformation and geometry; earthquake thermodynamics; deformations in micromorphic materials. A continuum approach is mainly used, its most general form being related to the theory of continuum distribution of dislocations. However, the models related to discrete dislocations and to propagation of a single crack are also discussed, especially in relation to some earthquake premonitory phenomena. The authors, Japanese, Polish and US scientists, are renown authorities in fracture mechanics and earthquake source physics. They present their own results and contributions in a frame of the defined scope of the monograph. Much attention is paid to the interaction of different physical fields and objects, like defects, that could also manifest themselves in different precursory phenomena. The results refer mainly to earthquakes, but many applications to mining events are also included. As the book explains the general concepts of fracturing problems in materials with dense defect population and brings a general synopsis of deformation analysis, it will mainly be of interest to scientists and advanced students of geophysics and fracture mechanics. It will be especially helpful for those engaged in problems of source processes in seismic events - earthquakes and mining tremors.
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Theory of Earthquake Premonitory and Fracture Processes
Edité par
PWN Polish Scientific Publishers, 1995
ISBN 10 : 8301117710
ISBN 13 : 9788301117719
Ancien ou d'occasion
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Edition originale
Vendeur : killarneybooks, Inagh, CLARE, Irlande
Évaluation du vendeur 5 sur 5 étoiles
Hardcover. Etat : Very Good. 1st Edition. Oversized hardcover, xx + 648 pages, NOT ex-library. Weight over 1.2kg. Little minor wear. Book is clean and bright with unmarked text, free of inscriptions and stamps, firmly bound. Issued without a dust jacket. -- This edited volume provides a mathematical framework for the study of the preparation and initiation of seismic events. It addresses the transition of the Earth's crust from quasi-static stress accumulation to sudden, dynamic failure. By synthesising the principles of continuum mechanics, thermodynamics, and the theory of defects, the work offers a granular understanding of the 'preparation zone' where micro-cracking and dilatancy occur prior to rupture. It specifically develops the "dilatancy-diffusion" model to explain the physical coupling between rock deformation and fluid flow. The content explores the evolution of fracture as a complex, non-linear process. Technical chapters detail the mechanics of crack propagation and the role of fluid infiltration in altering the effective stress within the rock matrix. A significant portion of the work is dedicated to the identification and modelling of precursory phenomena, including dilatancy-diffusion models, seismic gaps, changes in seismic velocity ratios, and variations in b-value statistics. The analysis also investigates electromagnetic and geochemical signals, providing a theoretical basis for how these anomalies are generated by physical changes in the crust during the premonitory stage. The book remains a vital reference for physics-based earthquake forecasting and seismic hazard assessment. It bridges the gap between laboratory rock mechanics and large-scale crustal dynamics, offering the technical language required to model earthquake nucleation. As a product of the Institute of Geophysics of the Polish Academy of Sciences, the volume represents a definitive synthesis of the "Warsaw School" of theoretical seismology, presenting the research conducted over several decades. For researchers in seismology and structural geology, this volume provides the foundational data needed to interpret data streams from modern seismic networks and satellite monitoring systems. N° de réf. du vendeur 012848
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