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基于塑性强化和粘性弱化的岩石蠕变模型

罗润林 阮怀宁 朱昌星

罗润林, 阮怀宁, 朱昌星. 基于塑性强化和粘性弱化的岩石蠕变模型[J]. 西南交通大学学报, 2008, 21(3): 346-351.
引用本文: 罗润林, 阮怀宁, 朱昌星. 基于塑性强化和粘性弱化的岩石蠕变模型[J]. 西南交通大学学报, 2008, 21(3): 346-351.
LUO Runlin, RUAN Huaining, ZHU Changxing. Non-linear Creep Model Based on Plasticity Strengthening and Viscosity Weakening of Rock[J]. Journal of Southwest Jiaotong University, 2008, 21(3): 346-351.
Citation: LUO Runlin, RUAN Huaining, ZHU Changxing. Non-linear Creep Model Based on Plasticity Strengthening and Viscosity Weakening of Rock[J]. Journal of Southwest Jiaotong University, 2008, 21(3): 346-351.

基于塑性强化和粘性弱化的岩石蠕变模型

基金项目: 

国家自然科学重点基金资助项目(50539090)

国家自然科学基金资助项目(50674040)

详细信息
    作者简介:

    罗润林(1976- ),男,博士研究生,从事岩石力学与工程研究,电话:025-83674102,E-mail:luorunl@tom.com

    通讯作者:

    阮怀宁(1959- ),男,教授,博士,从事岩石力学与工程研究,电话:025-83787375,E-mai:l hnruan@hhu.edu.cn

Non-linear Creep Model Based on Plasticity Strengthening and Viscosity Weakening of Rock

  • 摘要: 为更好地描述岩石蠕变行为,特别是第2和第3期蠕变过程,基于岩石蠕变机理,在粘塑性元件中引入塑性强化函数和粘性弱化函数,建立了岩石的非线性蠕变模型.对圆柱形砂岩试样进行的单轴压缩蠕变试验表明,所建立的模型对试验数据的拟合程度较高(相关系数达0.98),能较好地描述岩石蠕变的全过程.

     

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出版历程
  • 收稿日期:  2007-12-05
  • 刊出日期:  2008-06-25

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