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从单一粒径组颗粒破碎演化规律角度入手,研究了多粒径组颗粒破碎演化规律。首先,提出了能够描述单一粒径组颗粒破碎状态的两参数Weibull分布函数;此外,提出了多粒径组颗粒有效破碎概率概念;在上述基础上建立了一个能够较好的描述多粒径组颗粒破碎演化规律的Markov链模型,选取了不同岩土材料、试验条件和颗粒大小下的试验数据对该模型进行了验证,表明提出的模型能够描述各种试验条件下多粒径组颗粒破碎的演化规律。
Starting from the single particle size group particle crushing and evolution law, multi-particle size group particle crushing evolution. Firstly, we propose a two-parameter Weibull distribution function that can describe the state of particle breakage in a single particle size group. In addition, the concept of effective crushing probability of multi-particle group particle is proposed. Based on the above, This model is validated by Markov chain model of particle crushing and evolution, selected from different geomaterials, test conditions and particle size, which shows that the proposed model can describe the crushing of multi-particle group particles under various experimental conditions Evolutionary law.