Research on statistical penetration meso-model of rock ——part Ⅱ: case analysis

ZHOU Hui; SHAO Jian-fu; FENG Xia-ting; HU Da-wei

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Research on statistical penetration meso-model of rock ——part Ⅱ: case analysis

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- Research on statistical penetration meso-model of rock ——part Ⅱ: case analysis
- Vol. 27, Issue 1, (2006)
- 作者机构：
  
  1. 中国科学院岩土力学重点实验室,武汉,430071
  2. 法国里尔科技大学,里尔,法国,59650
- 作者简介：
- 基金信息：
- DOI：
  CLC： O357.3
- Online First：31 October 2013，
  
  Published：2006
- 稿件说明：
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ZHOU Hui, SHAO Jian-fu, FENG Xia-ting, et al. Research on statistical penetration meso-model of rock ——part Ⅱ: case analysis[J]. 2006, 27(1).
DOI：

ZHOU Hui, SHAO Jian-fu, FENG Xia-ting, et al. Research on statistical penetration meso-model of rock ——part Ⅱ: case analysis[J]. 2006, 27(1). DOI：

摘要

进一步分析了第Ⅰ部分中提出的岩石细观统计渗流模型[1]。讨论了由细观统计渗流模型得到岩石宏观渗透系数的方法。为了利用细观统计渗流模型对岩石损伤破坏过程中的渗透性演化进行分析，引入了各向异性损伤模型，用以对岩石的细观损伤和裂纹的扩展过程进行力学分析，并讨论了细观统计渗流模型与各向异性损伤模型的联合分析方法。对Lac du Bonnet花岗岩损伤过程中的渗透性演化进行了计算分析和验证。结果表明，细观统计渗流模型可以较精确地描述裂纹充分贯通前岩石渗透性的演化。

Abstract

Further analyses are performed on the statistical penetration meso-model proposed by authors in part one. Firstly

method for calculating the macroscopic permeability using statistical penetration meso-model is discussed. Then in order to analyze the evolution of permeability in the process of rock failure

anisotropic damage model is introduced to perform the mechanical analysis

and the coupling analysis method using statistical penetration meso-model and anisotropic damage model is also discussed. Finally

permeability variation of Lac du Bonnet granite is analyzed using the methods above

and the theoretical results by statistical penetration meso-model perfectly agree with that measured in situ before rock cracks fully linking up.

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