Journal
INTERNATIONAL JOURNAL OF ROCK MECHANICS AND MINING SCIENCES
Volume 61, Issue -, Pages 154-160Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijrmms.2013.02.013
Keywords
RVE; Rock mass; Homogeneity; Spatial effect
Funding
- Natural Science Foundations of China [40872170, 41072196]
- Doctoral Program Foundation of Higher Education of China [20090061110054]
- Jilin University's 985 Project [450070021107]
- Ministry of Water Resources [201001008]
- Graduate Innovation Fund of Jilin University [20121073]
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Rock masses possess typical inhomogeneity that can be attributed to discontinuities, and the representative volume element (RVE) reflects this inhomogeneity. The employment of a three-dimensional fracture network enables the determination of. the RVE of rock masses. However, previous studies have not fully considered inhomogeneity. Rock mass parameters and the changing trend of increasing study size in different regions vary. The rock mass parameters are characterized by the spatial effect, and RVE values vary for different regions. This thesis discusses the existence of the spatial effect and RVE variation using the 3-D fracture network of the White Crane Dam. By comprehensively examining the parameters P-32, mean directions, and concentration parameter as research foci, the Chi-square goodness-of-fit test, Kolmogorov-Smirnov goodness-of-fit test, and Watson test are conducted, and the RVE (11 m) of the rock mass is calculated. This strategy is more objective and reasonable for mitigating the impact of the spatial effect of the rock mass. (C) 2013 Elsevier Ltd. All rights reserved.
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