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APPLICATION OF P-WAVE VELOCITY FOR PREDICTION OF STRENGTH PROPERTIES OF ROCKS
Abstract
In this paper, the relationship between p-wave velocity and the most important strength properties of rock material has been studied. During this research eight various types of rocks from north-west of Iran have been tested view pointed of uniaxial compression strength (UCS), tensile strength (Brazilian test) and elastic modulus. Regression analyses between above parameters and p-wave velocity reveals that there is a mathematical relationship with exponential equation (R2= 0.8597) between p-wave velocity and uniaxial compression strength of tested rocks. Also, the obtained results show that with increasing of p-wave velocity the tensile strength (Brazilian test) of samples increases exponentially (R2= 0.8613) and the elastic modulus increases logarithmically (R2= 0.9231).
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References1
S. H. Hoseinie, M. Ataei, "Investigation of application of non-destructive methods in prediction of compressive strength of rocks", 5th Iranian ocnference of Engineering Geology and Environment, Tehran, Iran, February 2008, International Society for Rock Mechanics. Rock characterisation, testing and monitoring: ISRM suggested methods. Oxford: Pergamon; 1981.
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