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http://dx.doi.org/10.7843/kgs.2013.29.9.17

The Investigation of Alluvium by Using Electrical Resistivity, Seismic Survey and GPR  

Park, Chung-Hwa (Dept. of Geotechnical Disaster Prevention Engrg., Daejeon Univ.)
Won, Kyung-Sik (Geotech Consultant CO., LTD.)
Byun, Ji-Hwan (Dept. of Geotechnical Disaster Prevention Engrg., Daejeon Univ.)
Min, Dae-Hong (Dept. of Geotechnical Disaster Prevention Engrg., Daejeon Univ.)
Yoon, Hyung-Koo (Dept. of Geotechnical Disaster Prevention Engrg., Daejeon Univ.)
Publication Information
Journal of the Korean Geotechnical Society / v.29, no.9, 2013 , pp. 17-29 More about this Journal
Abstract
The geophysical methods have an advantage for investigating the wide area with low cost, and thus the application of these methods has been increased. The objective of this paper estimates the characteristics of alluvium through the geophysical methods including elastic wave, electrical resistivity and ground penetration radar. And the standard penetration test is also carried out for verifying the geophysical data with comparison. The sources of elastic wave method are divided into hammer and sissy and the electrical resistivity method is applied with different sizes, shapes and arrays of electrode for deciding the effective way. The center frequency is determined to be 270 MHz for considering the characteristics of soil. The results of ground penetration radar are also compared with those of standard penetration test. The high resolution shows when the source is a sissy in elastic wave method, however, the water level is not identified. In the electrical resistivity method, the non-polarizable electrode and schlumberger array show highly reliable data and the resolution of ground penetration radar is low. Thus, the results of this study are widely applied for determining the appropriate method when investigating the characteristics of alluvium.
Keywords
Alluvium; Electrical resistivity method; Ground penetration radar; Seismic survey; Standard penetration test;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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