An equivalent seepage resistance model with seepage-stress coupling for fractured rock mass

被引：0
|
作者：
Tao, Yu [1 ,2 ]
Liu, Wei-Qun [1 ,2 ]
机构：
[1] School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
[2] State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
来源：
Yantu Lixue/Rock and Soil Mechanics | 2012年 / 33卷 / 07期
关键词：
Stresses - Rock mechanics - Fracture - Rocks;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Seepage characteristics of regional principal fratured rock mass are studied with the effect of stress. Using parallel plate model, elastic mechanics and electronics in single fracture, a new conception of equivalent seepage resistance is put forward. On the basis of the geometric construction of regional principal fracture, an equivalent seepage resistance model with seepage-stress coupling is established. With the model the relationships between equivalent seepage resistance, permeability and stress are obtained, which is helpful to the stress-seepage coupling characteristics of regional principal fractures in rock mass. Combining a case study with the model, the seepage laws of the herring-bone combined fracture are researched. Through further detail partition and consideration, this model can be used to study fracture seepage evolution law affected by in-situ stress in rock mass containing regional principal fracture.
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页码：2041 / 2047
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