Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Main positions: President of international exchange committee of the Chinese Society of Rock Mechanics and Engineering CSRME
Other Post: Vice President of the Chinese Society of Rock Mechanics and Engineering CSRME
Title of Paper:一种新的损伤蠕变模型的探究
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Date of Publication:2007-08-18
Page Number:121-125
Key Words:岩石介质;损伤蠕变模型;极限承载力;人工神经网络
Abstract:从岩石结构的细观非均匀性特点出发,在细观弹性损伤模型的基础上,引入细观单元力学特性的退化方程,建立了岩石介质细观损伤蠕变模型,以岩石的强度、弹模的时间效应及岩石内部细观结构损伤积累等特征,解释了岩石介质的蠕变机制。应用该模型模拟了岩石试样在单轴载荷作用下蠕变损伤规律,通过与实验结果对比,初步证明了该蠕变模型的有效性。新的模型从细观力学角度,应用较为简单的数学模型对岩石蠕变现象给予了一种新的描述。
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