Physical modeling of the axial pipe-soil interaction for pipeline walking on a sloping sandy seabed
文献类型：期刊论文
| 作者 | Shi YM(师玉敏)3,4 ; Wang N(王宁)1,3; Gao FP(高福平)3,4; Qi WG(漆文刚)3,4; Wang JQ2; Gao FP(高福平); Qi WG(漆文刚); Wang N(汪宁); Shi YM(师玉敏)
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| 刊名 | OCEAN ENGINEERING
 |
| 出版日期 | 2019-04-15 |
| 卷号 | 178页码:20-30 |
| 关键词 | Sloping seabed Pipeline walking Pipeline-seabed interaction Physical modeling |
| ISSN号 | 0029-8018 |
| DOI | 10.1016/j.oceaneng.2019.02.059 |
| 通讯作者 | Gao, Fu-Ping(fpgao@imech.ac.cn) |
| 英文摘要 | Axial pipe-soil interaction is crucial for the prediction of pipeline walking, especially on a sloping seabed. In this study, a mechanical-actuator facility has been specially designed and utilized to simulate the axial pipe-soil interactions along a sloping sandy seabed. Based on dimensional analyses, an apparent axial anti-sliding coefficient is proposed to describe the anti-sliding capacity for pipeline walking on a sloping seabed under the fully-drained condition. Effects of the pipeline surface roughness, the submerged weight (G) of the pipeline and the slope angle (alpha) of the seabed on the apparent axial anti-sliding coefficient are investigated experimentally. The experimental results indicate that, for a fixed value of the non-dimensional submerged pipeline weight, both the ultimate anti-sliding capacity and the corresponding mobilization displacement increase with the increase of the slope angle of the seabed. There exist approximately linear correlations between the apparent anti-sliding coefficient and the examined seabed slope angle (- 9 degrees <= alpha <= 9 degrees) or the non-dimensional submerged pipeline weight (0.34 <= G <= 0.81). An expression for the apparent axial anti-sliding coefficient incorporating an updated wedging factor is finally deduced and validated with the present experimental results. This axial pipe-soil interaction model may help assessing the pipeline walking along subsea continental slopes. |
| 分类号 | 一类 |
| WOS关键词 | SHEAR-STRENGTH ; INTERFACES ; RESISTANCE |
| 资助项目 | National Science Fund for Distinguished Young Scholars[11825205] ; Strategic Priority Research Program (Type-B) of CAS[XDB22030000] ; Youth Innovation Promotion Association CAS[2012014] |
| WOS研究方向 | Engineering ; Oceanography |
| 语种 | 英语 |
| WOS记录号 | WOS:000464483700002 |
| 资助机构 | National Science Fund for Distinguished Young Scholars ; Strategic Priority Research Program (Type-B) of CAS ; Youth Innovation Promotion Association CAS |
| 其他责任者 | Gao, Fu-Ping |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/78732]  |
| 专题 | 力学研究所_流固耦合系统力学重点实验室(2012-) |
| 作者单位 | 1.China Acad Bldg Res, Inst Fdn Engn, Beijing 100013, Peoples R China 2.CNOOC, Res Inst, Beijing 100027, Peoples R China; 3.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China; 4.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Shi YM,Wang N,Gao FP,et al. Physical modeling of the axial pipe-soil interaction for pipeline walking on a sloping sandy seabed[J]. OCEAN ENGINEERING,2019,178:20-30. |
| APA | 师玉敏.,王宁.,高福平.,漆文刚.,Wang JQ.,...&Shi YM.(2019).Physical modeling of the axial pipe-soil interaction for pipeline walking on a sloping sandy seabed.OCEAN ENGINEERING,178,20-30. |
| MLA | 师玉敏,et al."Physical modeling of the axial pipe-soil interaction for pipeline walking on a sloping sandy seabed".OCEAN ENGINEERING 178(2019):20-30. |
入库方式： OAI收割
来源：力学研究所
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