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大连海洋大学学报  2016, Vol. 31 Issue (6): 692-695    DOI: 10.16535/j.cnki.dlhyxb.2016.06.018
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台风作用下港内单锚系泊渔船锚链可靠度分析
王禹龙,上官子昌,董榅键,齐晴
大连海洋大学海洋与土木工程学院,辽宁大连116023
Structural reliability of fishing chains at a single anchor in fishing port under typhoon calam ity
WANG Yu-long,SHANGGUAN Zi-chang,DONGWen-jian,QIQing
College of Marine and Civil Engineering,Dalian Ocean University,Dalian 116023,China
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摘要 为检验台风作用下单锚系泊渔船锚链的可靠度指标,采用统计分析方法测量了5组不同直径电焊有档锚链的直径,根据台风Ketsana引起的风浪流联合作用下环境荷载数据进行模拟,并利用改进的二阶矩法对结构所受荷载进行分析,得出5组不同直径(12.5、16.0、19.0、20.5、22.0 mm)锚链在系泊力作用下的可靠指标与失效概率,并进一步对渔船锚链设计提出优化。研究表明,参考钢结构承载力安全指标,对台风来临时的风浪流数据及锚链结构进行可靠性分析,可有效提高渔船防灾时锚泊安全性。
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王禹龙
上官子昌
董榅键
齐晴
关键词:  渔船防灾  单锚系泊  锚链  可靠度分析    
Abstract: The equation“Quinn”and the equations in the standard were utilized to calculate themooring force of 447.42 kW boats under typhoon calamity with wind,wave and current to evaluate fishing boatsmooring force.The“equivalent normalized”extreme value distribution of type Imooring forcewas estimated,and then reliability index and failure probability of 12.5,16.0,19.0,20.5,22.0 mm chain were calculated.Base on bearing capacity of safety indicators,the design standard in code was lower than security requirements,indicating that designers should pay attentions to fishingmooring chain reliability to improve fishing disaster preventions and mitigation.
Key words:  disaster prevention in fishing boat    single anchormooring    anchor chain    reliability analysis
                    发布日期:  2016-12-30      期的出版日期:  2016-12-21
中图分类号:  U653.2  
引用本文:    
王禹龙, 上官子昌, 董榅键, 齐晴. 台风作用下港内单锚系泊渔船锚链可靠度分析[J]. 大连海洋大学学报, 2016, 31(6): 692-695.
WANG Yu-long, SHANGGUAN Zi-chang, DONGWen-jian, QIQing. Structural reliability of fishing chains at a single anchor in fishing port under typhoon calam ity. Journal of Dalian Ocean University, 2016, 31(6): 692-695.
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https://xuebao.dlou.edu.cn/CN/10.16535/j.cnki.dlhyxb.2016.06.018  或          https://xuebao.dlou.edu.cn/CN/Y2016/V31/I6/692
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