Abstract:The relationship between strain and elastic energy is simplified by introducing a stress state parameter based on the generalised Hooke’s law. It is assumed that the micro-element strengths satisfy the Weibull distribution and a new model for the non-linear evolution of energy is developed by introducing the concept of rock micro-element strengths. A sensitivity analysis of the model parameters is carried out on this basis. The results show that the model agrees well with the experimental data. The model is cl… Show more
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