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Determination of relationship between Uniaxial Compressive Strength (UCS) and rock densities using fractal modelling in Karoun-4 Dam, SW Iran
1 : Department of Mining Engineering, South Tehran Branch, Islamic Azad University
Faculty of Engineering, Deh-Haghi (Ahang)Blv., Mahalati Blv., , Tehran -
Iran
2 : Department of Mining Engineering, Science and Research Branch, Islamic Azad University
Faculty of Engineering, Azad University Sq., Poonak Sq. , Tehran -
Iran
3 : Department of Mining Engineering, Science and Research Branch, Islamic Azad University
Azad University Sq., Simon Bolivar Blv., Poonak Sq., Tehran -
Iran
4 : College of Engineering, Mathematics and Physical Sciences, University of Exeter
The University of Exeter, Mail Room, The Old Library, Prince of Wales Road, Exeter -
United Kingdom
The aim of this study is to identify different populations for rock characterisation based on uniaxial compressive strength (UCS) and density within limestones of Karoun-4 Dam, SW Iran. The results from a Number-Size (N-S) fractal model log-log plots for UCS and density for the rocks reveal that there are four populations for the studied variables. The last populations for UCS and density commence from 87 MPa and 2.65 t/m3, respectively. Finally, a log-ratio matrix is introduced to validate and determine the overlaps between the N-S fractal model for UCS and density values within the main rock type. The overall accuracy (OA) is 85% which shows that there are positive correlations between UCS and rock density in the Karoun-4 Dam.
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