IMECH-IR  > 力学所知识产出(1956-2008)
考虑海床变形的裸露悬跨海底管道静力分析
Alternative TitleStatic analysis of unburied spanning submarine pipeline on linear elastic seabed
邢静忠; 柳春图
Source Publication海洋工程
2007-11-15
Volume25Issue:4Pages:21-26,38
ISSN1005-9865
Abstract针对裸露悬跨海底管道,考虑线弹性海床刚度,利用梁的小挠度理论,研究管道在自重作用下的变形和内力,推导给出了未脱离海床的管道段和悬跨管道段的变形和内力公式。在跨度较大的悬跨情况下,悬跨管道段较大的向下弯曲变形可能引起海床上管道脱离海床而翘起。建立管道翘起的判定准则,对于翘起情况推导相应的计算公式,通过算例给出翘起情况下管道的变形和内力。通过计算分析发现:工程上多数悬跨是翘起情况,没有翘起的计算公式只适应于跨度较小的悬跨管道。同时翘起情况下不同海床刚度对悬跨管道无量纲内力影响不大。
Keyword海底管道 弹性地基 裸露悬跨 小挠度理论 海床变形
Indexed ByCSCD
Language中文
CSCD IDCSCD:3037385
Citation statistics
Cited Times:4[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/40722
Collection力学所知识产出(1956-2008)
Corresponding Author邢静忠
Recommended Citation
GB/T 7714
邢静忠,柳春图. 考虑海床变形的裸露悬跨海底管道静力分析[J]. 海洋工程,2007,25,4,:21-26,38.
APA 邢静忠,&柳春图.(2007).考虑海床变形的裸露悬跨海底管道静力分析.海洋工程,25(4),21-26,38.
MLA 邢静忠,et al."考虑海床变形的裸露悬跨海底管道静力分析".海洋工程 25.4(2007):21-26,38.
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