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Analysis of Abnormal Settlement Aspect of Caisson Breakwater by Incoming Wave Action in Affected Area of Typhoon  

Lee, Joong-Koo (Civil & Environmental Division, Hyundai Engineering & Construction Co. Ltd.)
Kim, Hyo-Seob (Department of Civil & Environmental Engineering, Kookmin University)
Park, Koo-Yong (Civil & Environmental Division, Hyundai Engineering & Construction Co. Ltd.)
Ahn, Ik-Seong (Hang Do Engineering Co. Ltd.)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.21, no.6, 2009 , pp. 508-517 More about this Journal
Abstract
The real time movement of the caisson was measured when it was open to the waves during breakwater construction. As a result of measurement, no more settlement after the preloading in condition of designed loading was expected but sudden abnormal settlement took place through whole area of the breakwater when waves occurred by typhoon effect. To clarify the reason of this case, wave of the site has been reproduced and the equivalent wave pressure on the caisson was calculated. The numerical analysis of the effect of wave to the ground had been done. Site measurement data is in accordance with the result of numerical analysis.
Keywords
Caisson; Abnormal settlement; Equivalent wave pressure; Wave load; Repeated load;
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