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A Study of the Comparison of the Shear Wave Velocity Profiles Obtained by a Surface Wave Exploration Method with Borehole Measurements  

Jung, Hee-Ok (Department of Ocean System Engineering, Kunsan National University)
Publication Information
Journal of the Korean earth science society / v.24, no.6, 2003 , pp. 549-557 More about this Journal
Abstract
Surface wave exploration method has many advantages over other conventional exploration methods. Only limited accumulation of the study results has been made due to the recent development of the method. In this study the characteristics of the phase dispersion curves of four sites with different geo-technical properties have been identified. A generalized inversion method was used to obtain the shear wave velocity profiles of the study areas. The shear wave velocity profiles were compared with the columnar sections of the boreholes at the sites. This study shows that the rapid changes in the shear wave velocities are consistent with the changes in the sedimentary or lithologic faces found in the borehole measurements. This implicates that the surface wave exploration method could be used to identify changes in the physical properties of sediments or rocks.
Keywords
surface wave exploration; characteristics of dispersion curves; borehole measurements; sedimentary facies; inversion;
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