Study of rheological model of porous medium of deep rock

LI Jian-guang; WANG Yong-yan; WANG Hao

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Study of rheological model of porous medium of deep rock

更新时间：2026-06-25

- Study of rheological model of porous medium of deep rock
- Vol. 29, Issue 9, (2008)
- 作者机构：
  
  1. 青岛科技大学机电学院,青岛,266061
  2. 青岛科技大学橡塑材料与工程教育部重点实验室,青岛,266061
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU452
- Online First：03 August 2013，
  
  Published：2008
- 稿件说明：
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LI Jian-guang, WANG Yong-yan, WANG Hao. Study of rheological model of porous medium of deep rock[J]. 2008, 29(9).
DOI：

LI Jian-guang, WANG Yong-yan, WANG Hao. Study of rheological model of porous medium of deep rock[J]. 2008, 29(9). DOI：

摘要

考虑到传统流变模型在反映载荷水平影响和描述加速蠕变阶段方面的缺陷，在改进传统流变元件模型的基础上，引入非理想黏性元件，建立了在数学上能体现载荷水平影响并能描述加速蠕变的新的改进流变模型；同时从定义出发，考虑到孔隙度的动态性，对孔隙度和通用有效应力公式进行修正；鉴于岩体的孔隙性和不均匀性，把岩体看作多孔介质，应用多孔介质理论中的有效应力代替改进岩土流变模型中的恒应力，计入温度和孔隙压的影响，最终建立了深部（高温度、高地压和高孔隙压）岩体多孔介质流变模型。

Abstract

In light of the defecty of conventional rheological models in retlecting the influence of load level and describing acceleration creep

a new improved rhelolgical model is developed

in which the conventional rhelological model is improved and a non-ideal viscous element is introduced. According to definition

the expression of dynamic porosity and general effective stress are amended. Rocks are regarded as porous medium for their own porosity and nonuniform; and the effective stress mentioned in theory of porous medium replaces the constant stress in the improved rheological model. Taking temperature and pore pressure into account

a rheological model of porous medium of deep rock (characterized by high temperature

high ground stress and high pore pressure) is established finally.

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