Reliability Analysis of the Long Caisson Breakwater considering to the Wave Force Reduction Parameter

被引:1
|
作者
Lee, Gee Nam [1 ]
Lee, Il Keun [2 ]
Kim, Dong Hyawn [3 ]
机构
[1] Kunsan Natl Univ, Dept Ocean Sci & Engn, Gunsan, South Korea
[2] Korea Expressway Corp, Res Inst, Struct Res Div, Hwaseong, South Korea
[3] Kunsan Natl Univ, Sch Architecture & Coastal Construct Engn, Gunsan, South Korea
基金
新加坡国家研究基金会;
关键词
Multi-directional random waves; Long caisson breakwater; Wave force reduction parameter; Reliability analysis; Load surface method;
D O I
10.2112/SI85-250.1
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
If a breakwater is longer than a full design wave, maximum design wave force does not attack over the full span of the breakwater. Therefore, design wave load can be decreased compared with short modular caisson. This study is to grasp the influence of the wave force reduction effect on the failure probability and to confirm how much the stability is secured compared with the existing modular breakwater. Therefore, reliability analysis of long caisson breakwater and existing modular caisson breakwater was performed. As a result, the reliability index of the long caisson breakwater was higher than that of the existing modular caisson breakwater, and it was confirmed that the significant wave height of the design variables had the highest influence. In addition, the reliability analysis was performed according to the change of the mean value of the variables used in the calculation of the wave force reduction parameter. It is confirmed that the relationship between each variable value and the wave force reduction parameter appears in the analysis results.
引用
收藏
页码:1246 / 1250
页数:5
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