外文翻譯--對(duì)有防波堤的大型躉船式浮式結(jié)構(gòu)的結(jié)構(gòu)安全性驗(yàn)算

1、英文文獻(xiàn)翻譯 英文文獻(xiàn)翻譯Structural safety assessment of a pontoon-type VLFS considering damage to the breakwaterMasahiko Fujikubo , Taoyun Xiao , and Kazuhiro Yamamura 1 1 21 Department of Social and Environmental Engineering, Hi

2、roshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima 739-8527, Japan 2 Journal of Marine Science and Technology3 Volume 7, Number 3 / 2003年1月Abstract A structural safety assessment of a pontoon-type very large floa

3、ting structure (VLFS) surrounded by a gravitytype breakwater was carried out for extreme wave conditions by considering the damage to the breakwater. Bending and shear collapses are considered to be a failure mode of the

4、 floating structure, while overturning damages the breakwater. The probability of the breakwater overturning, and the transmitted wave height before and after damage to the breakwater, are evaluated using design formulae

5、 for port and harbor facilities in Japan. The ultimate bending and shear strengths of the floating structure are calculated by the idealized structural unit method (ISUM) and FEM, respectively. The calculated failure pro

6、bability for the floating structure is compared with the specified target safety level. It was found that the floating structure under consideration is most likely to fail by bending in transverse waves, and that the cor

7、responding failure probability satisfies the target level.Key words：Pontoon-type VLFS · Breakwater · Ultimatestrength · Overturning · Structural reliability · Safety assessmen1 IntroductionA pont

8、oon-type very large floating structure (VLFS) consists of several subsystems, such as a floating structure, a mooring system, a breakwater, access to land, and so on. To ensure the safety of a VLFS, a safety assessment b

9、ased on collapse scenarios for the total system must be performed. For example, the safety of the floating structure must be assessed not only for an intact breakwater, but also for a damaged breakwater.Fig. 1. Pontoon-t