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http://dx.doi.org/10.5000/EESK.2008.12.4.001

Deduction of Correlations between Shear Wave Velocity and Geotechnical In-situ Penetration Test Data  

Sun, Chang-Guk (한국지질자원연구원 지진연구센터)
Kim, Hong-Jong (한국도로공사 도로교통연구원)
Chung, Choong-Ki (서울대학교 건설환경공학부)
Publication Information
Journal of the Earthquake Engineering Society of Korea / v.12, no.4, 2008 , pp. 1-10 More about this Journal
Abstract
Shear wave velocity($V_S$), which can be obtained using various seismic tests, has been emphasized as representative geotechnical dynamic characteristic mainly for seismic design and seismic performance evaluation in the engineering field. For the application of conventional geotechnical site investigation techniques to geotechnical earthquake engineering, standard penetration tests(SPT) and piezocone penetration tests(CPTu) together with a variety of borehole seismic tests were performed at many sites in Korea. Through statistical modeling of the in-situ testing data, in this study, the correlations between $V_S$ and geotechnical in-situ penetrating data such as blow counts(N value) from SPT and piezocone penetrating data such as tip resistance ($q_t$), sleevefriction($f_s$), and pore pressure ratio($B_q$) were deduced and were suggested as an empirical method to determine $V_S$. Despite the incompatible strain levels of the conventional geotechnical penetration tests and the borehole seismic tests, it is shown that the suggested correlations in this study are applicable to the preliminary estimation of $V_S$ for Korean soil layers.
Keywords
shear wave velocity; piezocone penetration test; standard penetration test; borehole seismic test; in-situ penetration test;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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