Browse > Article
http://dx.doi.org/10.7843/kgs.2014.30.4.101

Elastic Wave Velocity of Jumunjin Sand Influenced by Saturation, Void Ratio and Stress  

Lee, Jung-Hwoon (Dept. of Civil and Environmental Engrg., Yonsei Univ.)
Yun, Tae-Sup (Dept. of Civil and Environmental Engrg., Yonsei Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.30, no.4, 2014 , pp. 101-106 More about this Journal
Abstract
The penetration testing provides 1 dimensional profiles of properties applicable to limited investigation areas, although N-value has been linked to a wide range of geotechnical design parameters based on empirical correlations. The nondestructive test using elastic waves is able to produce 2 or 3 dimensional property maps by inversion process with high efficiency in time and cost. As both N-value and elastic wave velocities share common dominant factors that include void ratio, degree of saturation, and in-situ effective stress, the correlation between the two properties has been empirically proposed by previous studies to assess engineering properties. This study presents the experimentally measured elastic wave velocities of Jumunjin sands under at-rest lateral displacement condition with varying the initial void ratio and degree of saturation. Results show that the stress condition predominantly influences the wave velocities whereas void ratio and saturation determine the stress-velocity tendency. The correlation among the dominant factors is proposed by multiple regression analysis with the discussion of relative impacts on parameters.
Keywords
Wave velocity; Void ratio; Saturation; Multiple regression;
Citations & Related Records
연도 인용수 순위
  • Reference
1 Cho, G. C. and Santamarina, J.C. (2001), Unsaturated particulate Materials-Particle Level Studies, ASCE Journal of Geotechnical and Geoenvironmental Engineering, Vol.127, No.1, pp.84-96.   DOI   ScienceOn
2 Ayres, A. and Theilen F. (1999), Relationship between P and S wave velocities and geological properties of near surface sediments of the continental slope of the Barents Sea, Geophysical Prospecting, Vol.47, No.4, pp.431-441.   DOI
3 Han, D. and Nur, A. (1986), The effects of porosity and clay content on wave velocities in sandstones, Geophysics, Vol.51, No.11, pp.2093-2107.   DOI   ScienceOn
4 Hardin, B. and Richart Jr, F. (1963), Elastic wave velocities in granular soils, Journal of Soil Mechanics & Foundation Div, Vol. 89, Proc. Paper 3407, pp.33-65.
5 Hasancebi, N. and Ulusay, R. (2007), Empirical correlations between shear wave velocity and penetration resistance for ground shaking assessments, Bulletin of Engineering Geology and the Environment, Vol.66, No.2, pp.203-213.   DOI
6 Tosaya, C. A. (1982), Acoustical properties of clay-dearing rocks, Ph.D thesis, Stanford University.
7 Inazaki, T. (2006), Relationship between S-wave velocities and geotechnical properties of alluvial sediments, SAGEEP2006, Environment and Engineering Geophysical Society, pp.1296.
8 Ohta, Y. and Goto, N. (1978), Empirical shear wave velocity equations in terms of characteristic soil indexes, Earthquake engineering & structural dynamics, Vol.6, No.2, pp.167-187.   DOI   ScienceOn
9 Santamarina, J. C., Klein, K. A., and Fam, M. A. (2001), Soils and Waves: Particulate materials behavior, characterization and process monitoring, Wiley, New York.
10 Woods, R. (1991), Soil properties for shear wave propagation, Shear Wave in Marine Sediments, pp.29-39.