THE CORRELATION BETWEEN THE FRACTAL DIMENSION AND INTERNAL FRICTION ANGLE OF DIFFERENT GRANULAR MATERIALS
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概要
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This study aims to verify whether there is a relationship between the fractal dimension (D_<tot>) and the internal friction angle (ψ) of sandy materials while also considering the mineralogical composition of these materials. Geotechnical and morphometric tests were therefore carried out on both natural and artifical samples which differed markedly from one another in terms of shape and roundness and yet all the samples fell within the granulometric band ranging from 177 to 710 μm. A linear relationship was found between the internal friction angle and fractal dimension that can be expressed by the equation : ψ=237.89D_<tot>-218.2. In addition, a relationship was also found between the internal friction angle and the textural fractal dimension (D_1), as well as the structural fractal dimension (D_2) of the analysed samples. In the first case, the two parameters are linked by the linear equation ψ=399.47D_1-381.28 ; in the second case, the general relationship that links the friction angle and structural fractal dimension is ψ=109.83D_2-89.362.
- 社団法人地盤工学会の論文
- 2001-12-15
著者
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Gori U.
Full Professor Of Engineer Geology Urbino University (italy). Manuscript Was Received For Review On
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MARI M.
Full Professor of Engineer Geology, Urbino University (Italy). Manuscript was received for review on February 7, 2000. Written discussions on this paper should be submitted before July 1, 2002 to the Japanese Geotechnical Society, Sugayama Bldg. 4F, Kanda