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Statistical model for rock fracture
The mechanical behavior of rock in compression and at conditions appropriate to brittle behavior is controlled by the growth and coalescence of microcracks. This process depends on the disorder in the rock's microstructure due to the natural heterogeneity inherent in rocks. We are developing a statistical model that can incorporate microstructural heterogeneity for the study of fracture in rock and other heterogeneous materials. Our model uses (1) fracture-mechanics analysis to determine crack growth at a microstructural (grain) scale, (2) the concept of nearest-neighbor interaction, and (3) the techniques of percolation theory and self-organized criticality to evaluate crack interaction and coalescence, and the formation of fractures. The model is in the initial stages of development and this paper will describe the results of work in progress.
Statistical model for rock fracture
The mechanical behavior of rock in compression and at conditions appropriate to brittle behavior is controlled by the growth and coalescence of microcracks. This process depends on the disorder in the rock's microstructure due to the natural heterogeneity inherent in rocks. We are developing a statistical model that can incorporate microstructural heterogeneity for the study of fracture in rock and other heterogeneous materials. Our model uses (1) fracture-mechanics analysis to determine crack growth at a microstructural (grain) scale, (2) the concept of nearest-neighbor interaction, and (3) the techniques of percolation theory and self-organized criticality to evaluate crack interaction and coalescence, and the formation of fractures. The model is in the initial stages of development and this paper will describe the results of work in progress.
Statistical model for rock fracture
S. C. Blair (author) / N. G. W. Cook (author)
1992
9 pages
Report
No indication
English
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