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摘要
In this paper, the splitting testing for the Yellow Rust Granite were performed to obtained 14 rock profiles. Based on the Barton’s method, the JRC values of the rock profiles with four different directions were calculated, it is interesting to find that the JRC values of rock profiles are different when tilt directions are different, suggesting that the JRC values presents the characteristics of anisotropy. The traditional empirical formula for estimating the JRC values mainly focused on the two dimensional rock profile and the anisotropy of JRC values are ignored in most studies. For considering the anisotropy of the rock surfaces, this paper presents an empirical formula to evaluate the JRC values, the empirical formula is \\(JRC = 1.319(1 + 2.862\\tan \\beta )D_{f}\\) .
- 出版日期2017-8
- 单位中南大学
