IMECH-IR  > 流固耦合系统力学重点实验室
Experimental study on the ultimate axial anti-slide capacity for a partially-embedded pipeline on the sloping sandy seabed
Wang N(汪宁); Gao FP(高福平); Hu C(胡存)
Source PublicationProceedings of The Twenty-fifth International Offshore and Polar Engineering Conference
2015
Conference NameThe Twenty-fifth International Offshore and Polar Engineering Conference
Conference DateJune 21-26, 2015
Conference PlaceKona, Big Island, Hawaii, USA
AbstractThe ultimate anti-slide capacity for a submarine pipeline on the sloping seabed is one of the main concerns in the global buckling design. A mechanical-actuator facility has been designed and constructed for physical modeling of the axial pipe-soil interaction. The phenomenon of "pipe-trembling" was observed in the process of the pipe's axial movement, which is more prone to occur for the smoother pipes. Based on dimensional analyses, a dimensionless factor is proposed to describe the anti-slide capacity of the pipeline on a sloping sandy seabed. Experimental results indicate that both the slope angle and the pipe roughness have much effect on the axial pipe-soil interaction behavior and eventually on the anti-slide capacity. Unlike the lateral pipe-soil interaction, the slope angle has slight effect on the axial soil resistance to the partially-embedded pipeline in the examined range of slope angle (-9° ~ +9°).
DepartmentLMFS流固土耦合力学(LHO)
Indexed ByEI
Language英语
Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/58566
Collection流固耦合系统力学重点实验室
Recommended Citation
GB/T 7714
Wang N,Gao FP,Hu C. Experimental study on the ultimate axial anti-slide capacity for a partially-embedded pipeline on the sloping sandy seabed[C]Proceedings of The Twenty-fifth International Offshore and Polar Engineering Conference,2015.
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