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http://dx.doi.org/10.7843/kgs.2012.28.11.87

A Study on Decreasing Behavior of Strength & Elastic Parameters due to Water Infiltration in Rock Cores (II)  

Cho, Hong-Je (Dept. of Civil & Envir., Ulsan Univ.)
Jeong, Il-Soo (Bukwang Eng. Consultant Co.)
Moon, Jong-Kyu (Dongmyung Eng. Consultant Co.)
Publication Information
Journal of the Korean Geotechnical Society / v.28, no.11, 2012 , pp. 87-99 More about this Journal
Abstract
Targeting 9 types of rocks, which have high frequency of excavation, the researcher has analyzed decreasing behaviors of elastic modulus due to water content. The elastic modulus decreasing behaviors have been classified into 5 steps by uniaxial compressive strength. The results indicate that all of 5 sedimentary rocks and andesite show single decreasing behavior and granite, rhyolite, and gneiss demonstrate another decreasing behavior. Moreover, sensitivity of water content in granite, rhyolite, gneiss is almost twice as fast as that of the other rocks and their residual value of elastic modulus is very low.
Keywords
Water content; Elastic modulus; Decreasing sensitivity;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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1 ASTM (D 2216-98), "Standard Test Method for Laboratory Determination of Water(Moisture) Content of Soil and Rock by Mass", Annual Book of ASTM Standards 2005.
2 Aughenbaugh, N. B. (1974), "Effect of Moisture on shale", 23rd. Annual Soil Mech. & Found. Eng. Conf.(ASCE Geotechnical Division), pp.1-15.
3 Cho, H. J., Moon, J. K., and Jeong, I. S. (2012a), "A Study on Decreasing Behyavior of Strength and Elastic Parameters due to Water Infiltration in Rock Cores (I). "J. of The Korean Geotechnical Society." Vol.29, No.9. pp.69-83.
4 Colback, P. S. B. and Wild, B. L. (1965), "The influence of moisture content on the compressive strength of rocks", Proc. 3rd. Can. Symp. Rock Mech., Toronto, Ontario, Vol.pt., pp.65-83.
5 Erguler, Z. A. and Ulusay, R. (2009), "Water induced variations in mechanical properties of clay-bearing rocks", Int. J. Rock Mech. & Min. Sci., Vol.46, pp.355-370.   DOI   ScienceOn
6 Hawkins, A. B. and McConnell, B. J. (1992), "Sensitivity of sandstone strength and deformability to changes in moisture content". Q. J. Eng. Geol., Vol.25, pp.115-130.   DOI
7 Kim, J. N. (1985), Statistics, Kyungmunsa.
8 Kim, W. C., Kim, J. J., Park, B. W., Park, S. H., Song, M. S., Lee, S. Y., Lee, Y. J., Jeon, J. W., and Cho, S. S. (2005), Mordern Statistics (4th. Pub.), Col. of Sience, Seoul National Univ., Yungji Cul. Co.
9 Vasarhelyi, B. (2003), "Some observations regarding the strength and deformability of sandstones in dry and saturated conditions", Bull. Eng. Geol. Env., Vol.62, pp.245-249.   DOI
10 Vasarhelyi, B. (2005), "Statistical Analysis of the Influence of Water Content on the Strength of Miocene Limestone", Rock Mech. Rock Engng. Vol.38, No.1, pp.69-76.   DOI
11 Yamaguchi, U. (1970), "The number of test-pieces required to determine the strength of rock", Int. J. Rock Mech. Min. Sci. Geomech. Abstr., Vol.7, No.2, pp.209-227.   DOI   ScienceOn
12 Yilmaz, I. (2010), "Influence of water content on the strength and deformability of gypsum", Int. J. Rock Mech. & Min. Sci., Vol.47, pp.342-347.   DOI   ScienceOn