3D Fracture Network and Block Analysis of the South End-Slope of Antaibao Coal Mine

Abstract:

Based on actual measurement of fractures in south end-slope of Antaibao Coal Mine which adopted open-pit and underground mining, the fractures were grouped by directions, and for each group, distribution functions of direction, length and other geometric parameters and density on the observation window were calculated respectively. The statistic results showed that the fracture orientation followed Fisher distribution and the trace length followed lognormal distribution. According to the fractures number, the mean traces length and standard deviation, as well as one-dimensional density of each group, 3D fracture network was simulated with Monte-Carlo method. Then the block theoretical model was built according to the fracture model, and the block distribution of the south end-slope was analyzed and forecast.

• Periodical: Applied Mechanics and Materials (Volumes 353-356)
• Pages: 1165-1170
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.353-356.1165
• Online since: August 2013
• Authors: Ma Ming, Hong Jie Li, He Lei
• Keywords: Block Model, Fracture Density, Fracture Grouping, Fractures Distribution Form, Fractures Network

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