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A Comparison of Static and Dynamic Deformation Modulus by Dynamic Plate Test  

박용부 (한양대학교 대학원 토목공학과)
정형식 (한양대학교 토목공학과)
Publication Information
Journal of the Korean Geotechnical Society / v.19, no.5, 2003 , pp. 335-342 More about this Journal
Abstract
The method of measuring ground deformation modulus, in situ-testing has the disadvantage where the exam number is limited because it needs counter weight and a lot of measurement times. Recently, it has supplemented this problem and the equipments by which measurement can be made quickly are developed and applied in field., That is Falling Weight Deflectometer(FWD), Light Drop Weight Tester(LDWT), Geogauge. Light Drop Weight Teste.(LDWT) is introduced firstly in the name of ‘a lightweight fall circuit tester for a railroad public corporation’ by KTX. Since KTX introduced LDWT, a number of research organizations have used LDWT to find out domestic standard for quality management of base ground. In this study we used ZFG 02 which was manufactured by Stendal in Germany and measured the dynamic deformation modulus in soil box and in-situ. And we analyzed the correlation of the dynamic deformation modulus with static deformation modulus based on plate test in the same ground.
Keywords
Correlation; Deformation modulus; LDWT; Plate test;
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