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Experiments and numerical simulation on the influence of pier scour on pipeline safety: a case study of Hang-Yong high-speed line
Ships and Offshore Structures ( IF 1.7 ) Pub Date : 2021-04-01 , DOI: 10.1080/17445302.2021.1907083
Panyang Huang 1 , Zongyu Li 2 , Haiyang Dong 3 , Lin Chong 3 , Fanjun Chen 3
Affiliation  

ABSTRACT

Changes in the water flow field will occur around bridge piers, leading to local scouring. When pipelines intersect bridge piers, this kind of scour may cause pipeline exposure or even suspension, thereby influencing the safety of pipelines. Experiments and numerical simulations were conducted to calculate the local scour depth around piers. This paper focuses on the influence of scour around the bridge piers and its hazards to the downstream submarine pipelines. The scour elevation could be used to estimate the influence of bridge piers on the safety of submarine pipelines. Three types of bridge piers were included in this numerical model. In order to ensure the safety of submarine pipelines, it is necessary to arrange the bridge piers and pipelines reasonably, and to monitor the scour at pipelines.



中文翻译:

码头冲刷对管道安全影响的实验与数值模拟——以杭永高速线为例

摘要

桥墩周围水流场会发生变化,导致局部冲刷。当管道与桥墩相交时,这种冲刷可能会造成管道外露甚至悬空,从而影响管道的安全。进行了实验和数值模拟以计算桥墩周围的局部冲刷深度。本文重点研究了桥墩周围冲刷的影响及其对下游海底管道的危害。冲刷高程可用于估计桥墩对海底管道安全的影响。该数值模型包括三种类型的桥墩。为了保证海底管道的安全,需要合理布置桥墩和管道,并对管道冲刷进行监测。

更新日期:2021-04-01
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