A correlation between P-wave velocity,impact strength index,slake durability index and uniaxial compressive strength |
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Authors: | P K Sharma T N Singh |
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Affiliation: | (1) Department of Earth Sciences, Indian Institute of Technology Bombay, Powai, Mumbai, 400 076, India |
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Abstract: | Impact strength index, slake durability index and uniaxial compressive strength (UCS) are important properties of a rock mass
which are used widely in geological and geotechnical engineering. In this study, the mechanical properties of one igneous,
three sedimentary and three metamorphic rock types were determined in the laboratory and correlated with P-wave velocity.
Empirical equations have been developed to predict the impact strength index, slake durability index and UCS from P-wave velocity,
which may avoid the necessity for time-consuming and tedious laboratory testing. To check the sensitivity of the empirical
relations, a t test was performed which confirmed the validity of the proposed correlations.
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Keywords: | Impact strength index P-wave velocity Slake durability index t test Uniaxial compressive strength |
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