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工程力学  2014 

高桩码头整体安全度定量分级方法

DOI: 10.6052/j.issn.1000-4750.2013.04.0339, PP. 92-99

Keywords: 高桩码头,安全评估,可靠度,极限承载力,定量分级

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Abstract:

高桩码头是我国广泛采用的重要结构形式之一,其构件多、结构复杂,容易出现损伤或破坏,因此其安全性一直受到普遍关注。该文在查阅和整理了国内外关于可靠性评价的一系列标准、规范以及研究人员对结构可靠度安全等级划分等工作成果的基础上,用结构整体极限承载力表征体系的抗力,计算结构的可靠指标;依据关于结构安全分级标准的相关规范,反推得到相应的结构目标可靠指标,从而建立了基于整体可靠指标的高桩码头安全度定量分级方法。此外,按照不同可变荷载组合对该分级标准进行了讨论,并得出了一些基本规律。以某高桩码头为例,采用该文提出的高桩码头整体安全度定量分析与分级方法,对该结构破损后的安全度进行评估,结果与工程实践结论相一致。

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