IMECH-IR  > 力学所知识产出(1956-2008)
海流作用下海底管道侧向失稳特征的试验研究
闫术明; 高福平; 吴应湘
Source Publication2008年度海洋工程学术会议论文集.《中国造船》编辑部,2008,p.602-608
2008
Pages602-608
Conference Name2008年度海洋工程学术会议
Conference Date2008
Conference Place海南三亚
Abstract对海流载荷下管道在砂质海床上侧向失稳的物理过程进行了试验模拟,分析了管道侧向失稳的典型特征.水动力试验发现,管道侧向失稳经历了三个特征时间:①砂粒起动,②管道轻微侧向位移,③管道侧向失稳.利用机械加载装置分别研究了两端自由和防滚两种端部约束条件下管道在侧向失稳过程中的侧向土阻力及管道沉降特征.实验发现,随着管道水平位移的增加,侧向土阻力逐渐增加并最终达到极限值;而端部约束条件对极限侧向土阻力及其与管道沉降量之间的关系影响较大.两种模型试验结果具有较好的对比性,海流引起的局部冲刷可降低管道侧向稳定性.
Language中文
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/34382
Collection力学所知识产出(1956-2008)
Corresponding Author闫术明
Recommended Citation
GB/T 7714
闫术明,高福平,吴应湘. 海流作用下海底管道侧向失稳特征的试验研究[C]2008年度海洋工程学术会议论文集.《中国造船》编辑部,2008,p.602-608,2008:602-608.
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