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http://dx.doi.org/10.12814/jkgss.2019.18.4.193

Reliability Analysis of Open Cell Caisson Breakwater Against Circular Slip Failure  

Kim, Sunghwan (Department of University Innovation, Incheon National University)
Huh, Jungwon (Department of Ocean Civil Engineering, Chonnam National University)
Kim, Dongwook (Department of Civil and Envirionmental Engineering, Incheon National University)
Publication Information
Journal of the Korean Geosynthetics Society / v.18, no.4, 2019 , pp. 193-204 More about this Journal
Abstract
Reliability analyses of sixteen domestic design cases of open cell caisson breakwaters against circular sliding failure were conducted in this study. For the reliability analyses, uncertainties of parameters of soils, mound, and concrete cap were assessed. Bishop simplified method was used to obtain load and resistance of open cell caisson breakwater for randomly generated open cell caisson breakwater. Sufficient number of Monte Carlo simulations were conducted for randomly generated open cell caisson breakwaters, and statistical analysis was conducted on loads and resistances collected from the large number of Monte Carlo simulations. Probability of failure produced from Monte Carlo simulation has a nonconvergence issue for very low probability of failure; therefore, First-Order Reliability Method (FORM) was conducted using the statistical characteristics of loads and resistances of open cell caisson breakwaters. In addition, effects of safety factor, uncertainties of load and resistance, and correlation between load and resistance on reliability of open cell caisson breakwaters against circular sliding failure were examined.
Keywords
Open cell caisson; Soil strength parameter; Bishop simplified method; LRFD; Target probability of failure;
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Times Cited By KSCI : 1  (Citation Analysis)
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