Reliability assessment of free spanning subsea pipeline

被引：25
|
作者：
Shabani, Mohammad Mahdi [1 ]
Taheri, Abdolrahim [1 ]
Daghigh, Mohammad [2 ,3 ]
机构：
[1] Petr Univ Technol, Dept Offshore Engn, Berium, Abadan, Iran
[2] Islamic Azad Univ, Sci & Res Branch, Tehran, Iran
[3] Pars Oil & Gas Co, Tehran, Iran
来源：
THIN-WALLED STRUCTURES | 2017年 / 120卷
关键词：
Subsea pipeline; Reliability assessment; Free spanning; 2ND-ORDER RELIABILITY; 1ST-ORDER; FAILURE;
D O I：
10.1016/j.tws.2017.08.026
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Reliability of free spanning subsea pipeline has been estimated using theory of Probability of Failure (POF) and has been analyzed in accordance with a target safety level. The POF has been calculated using First-Order Reliability Method (FORM) and Monte-Carlo Sampling (MCS). The changes in POF with regard to six different ratios of span length to pipeline diameter and six clay types and also three sand classes are calculated. Finally, sensitivity analysis is carried out to determine the contribution of each parameter on POF. It is concluded that FORM analysis can be applied for large ratios of span length to pipeline diameter.
引用
收藏
页码：116 / 123
页数：8
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