2015 | OriginalPaper | Buchkapitel
Laboratory and field test Study on Sandstone Permeability Characteristics
verfasst von : Liu Zaibin, Jin Dewu, Dong Shuning, Liu Qisheng
Erschienen in: Uranium - Past and Future Challenges
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Sandstone permeability is a key factor to study Jurassic coal field hydrogeological conditions and it’s also an important factor to study sandstone uranium in situ leaching hydrogeological conditions. Sandstone whole stress-strain process permeability characteristics under different confining and osmotic pres-sure were studied through laboratory tests. Sandstone permeability characteristics along vertical direction were studied through field tests. Relationships between permeability with failure process, confining pressure, osmotic pressure, bulk strain and buried depth were obtained respectively.