Journal of Ocean Engineering and Technology (한국해양공학회지)

Korean Society of Ocean Engineers (한국해양공학회)
권호 표지

Probabilistic Seismic Hazard Analysis of Caisson-Type Breakwaters

케이슨 방파제의 확률론적 지진재해도 평가

  • KIM SANG-HOON (Daewoo Engineering and Construction Co., Ltd,) ;
  • KIM DOO-KIE (Department of Civil and Environmental Engineering, Kunsan National University)
  • 김상훈 ((주)대우건설 구조설계팀) ;
  • 김두기 (군산대학교 토목환경공학부)
  • Published : 2005.02.01
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Abstract

Recent earthquakes, measuring over a magnitude of 5.0, on the eastern coast of Korea, have aroused interest in earthquake analyses and the seismic design of caisson-type breakwaters. Most earthquake analysis methods, such as equivalent static analysis, response spectrum analysis, nonlinear analysis, and capacity analysis, are deterministic and have been used for seismic design and performance evaluation of coastal structures. However, deterministic methods are difficult for reflecting on one of the most important characteristics of earthquakes, i.e. the uncertainty of earthquakes. This paper presents results of probabilistic seismic hazard assessment(PSHA) of an actual caisson-type breakwater, considering uncertainties of earthquake occurrences and soil properties. First, the seismic vulnerability of a structure and the seismic hazard of the site are evaluated, using earthquake sets and a seismic hazard map; then, the seismic risk of the structure is assessed.

Keywords

References

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