Stress and scale effects of the hydraulic properties of fractured rocks

机译：裂隙岩体水力特性的应力和尺度效应

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The paper investigates the stress and scale effects on the hydraulic permeability of fractured rocks considering the correlation between distributed fracture aperture and trace length, where the fracture aperture and trace length follow a truncated lognormal distribution and a power-law distribution, respectively. This parameter correlation of fractures leads to larger REV size and permeability magnitudes of the DEM models compared with the case of using constant apertures, which vary with stress conditions, and with the overall permeability more controlled by large-sized fractures.

机译：考虑缝隙孔径与迹线长度之间的相关性，本文研究了应力和尺度对裂隙水力渗透率的影响，其中缝隙孔径和迹线长度分别遵循截断对数正态分布和幂律分布。与使用恒定孔径的情况相比，裂缝的这种参数相关性导致DEM模型的REV尺寸和渗透率大小更大，后者随应力条件而变化，并且总体渗透率受大型裂缝控制。

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来源
《Boundaries of Rock Mechanics: Recent Advances and Challenges for the 21st Century》|2008年|41-48|共8页
会议地点 Beijing(CN)
作者
Fanliang Kong; rnShujuan Zhang;
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作者单位

L.Jing@Royal Institute of Technology,Stockholm,Sweden--A.Baghbanan@Royal Institute of Technology,Stockholm,Sweden--;

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原文格式 PDF
正文语种 eng
中图分类岩石（岩体）力学及岩石测试;
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Stress and scale effects of the hydraulic properties of fractured rocks

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