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The Behavior of Piled Bridge Abutments Subjected to Lateral Soil Movements - Design Guidelines -  

이진형 (연세대학교 공과대학 토목공학과)
서정주 (연세대학교 공과대학 토목공학과)
정상섬 (연세대학교 공과대학 토목공학과)
장범수 (시설안전기술공단 기술개발지원실)
Publication Information
Journal of the Korean Geotechnical Society / v.19, no.1, 2003 , pp. 21-29 More about this Journal
Abstract
In this study, practical guidelines to check the possibility of some lateral movement of piled abutment were investigated. In these tests, both the depth of soft clay and the rate of embankment construction are chosen to examine the effect on lateral soil movements. The depth of soft clay layer varies from 5.2 m to 11.6 m, and the rate of embankment construction has two types : staged construction(1m/30days, 1m/15days) and instant construction. Various measuring instruments such as LVDTs, strain gauges, pressure cells, and pore pressure transducers are installed in designed positions in ordo. to clarify the soil - pile interaction and the short and long term behavior f3. piled bridge abutments adjacent to surcharge loads. The validity of the proposed guidelines by centrifuge test was compared with the observed performance by lateral movement index, F(Japan Highway Public Corporation) and modified I index(Korea Highway Corporation). Based on the results obtained, the critical values off and modified I, as a practical guidelines, are proposed as 0.03 and 2.0, respectively.
Keywords
Centrifuge model test; Lateral movement index; Lateral soil movement; Modified I index; Piled bridge abutment;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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