Analysis of the variability of unconfined compression tests of rock |
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| Authors: | J Rohde H Feng |
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| Institution: | (1) Department of Civil Engineering and Mechanics, University of Wiseonsin-Milwaukee, Milwaukee, Wisconsin, USA |
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| Abstract: | Summary The laboratory testing program reported herein describes the statistical correlations of unconfined compressive strength (
c
), Young's modulus (E
t50), and modulus ratio (MR) to their coefficients of variation (CV(
c
), CV(E
t50), and CV(MR)). Negative correlation of both
c
andE
t50 to CV(
c
) indicates that data scatter tends to decrease with increasing strength and stiffness. A positive correlation between MR and CV(
c
) indicates that stiffer rocks are more variable for a given compressive strength. |
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| Keywords: | |
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