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Journal of Korean Society of Coastal and Ocean Engineers > Volume 31(6); 2019 > Article
J Korean Soc Coast Ocean Eng 2019;31(6): 351-355. doi: https://doi.org/10.9765/KSCOE.2019.31.6.351
직립무공케이슨방파제 한계상태설계를 위한 하중저항계수 보정
김동현
군산대학교 건축해양건설융합공학부
Load & Resistance Factors Calibration for Limit State Design of Non-Perforated Caisson Breakwater
Dong Hyawn Kim
School of Architecture and Coastal Construction Engineering, Kunsan National University, 558 Daehak-ro, Gunsan-si, Jeonbuk 54150, Korea
Corresponding author: Dong Hyawn Kim ,Tel: +82-63-469-1862, Fax: +82-63-469-7449, Email: eastlite@kunsan.ac.kr
Received: October 30, 2019;  Revised: December 4, 2019.  Accepted: December 10, 2019.
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ABSTRACT
Load resistance factors for the limit state design of vertical caisson breakwaters are presented. Reliability analysis of 16 breakwaters in nationwide ports was conducted to calculate the partial safety factors and they were converted into load and resistance factors. The final load resistance factor was calibrated by applying the optimization technique to the individually calculated load resistance factors. Finally, the breakwater was redesigned using the optimal load resistance factor and verified whether the target level was met. The load resistance factor according to the change of the target reliability level is presented to facilitate the limit state design of breakwater.
Keywords: limit state design, vertical caisson, breakwater, load resistance factor, partial safety factor, target reliability index, code calibration
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