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http://dx.doi.org/10.9720/kseg.2014.3.353

Evaluation of Pore Size Distribution of Berea Sandstone using X-ray Computed Tomography  

Kim, Kwang Yeom (Korea Institute of Construction Technology)
Kim, Kyeongmin (University of a Science & Technology)
Publication Information
The Journal of Engineering Geology / v.24, no.3, 2014 , pp. 353-362 More about this Journal
Abstract
Pore structures in porous rock play an important role in hydraulic & mechanical behaviour of rock. Porosity, size distribution and orientation of pores represent the characteristics of pore structures of porous rock. While effective porosity can be measured easily by conventional experiment, pore size distribution is hard to be quantified due to the lack of corresponding experiment. We assessed pore size distribution of Berea sandstone using X-ray CT image based analysis combined with associated images processing, i.e., image filtering, binarization and skeletonization subsequently followed by the assessment of local thickness and star chord length. The aim of this study is to propose a new and effective way to evaluate pore structures of porous rock using X-ray CT based analysis for pore size distribution.
Keywords
porous rock; Berea sandstone; pore structure; pore size distribution;
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Times Cited By KSCI : 2  (Citation Analysis)
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