Fracture response of steel pipelines under combined tension and bending

被引：7
|
作者：
Saneian, Mohsen [1 ]
Han, Peihua [1 ]
Jin, Shan [1 ]
Bai, Yong [1 ,2 ]
机构：
[1] Zhejiang Univ, Architectural & Civil Engn Dept, Hangzhou 310058, Peoples R China
[2] OPR Offshore Engn Inc, Ningbo 315000, Peoples R China
来源：
THIN-WALLED STRUCTURES | 2020年 / 155卷
关键词：
Offshore; Pipeline; Crack; Fracture; Tension; Bending; LARGE PLASTIC-DEFORMATION; CRACK; CALIBRATION; TRIAXIALITY; PREDICTION; SPECIMENS; PRESSURE; SUBJECT; TUBES; MODEL;
D O I：
10.1016/j.tws.2020.106987
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Offshore steel pipelines play a key role in the O&G industry. Pipelines are cracked due to corrosion and the fracture follows especially in the presence of tension and bending. The modified Mohr-Coulomb (MMC) criterion is used to describe the fracture behavior of pipes. A 3D elastic-plastic FE model in ABAQUS with the fracture criterion to simulate the mechanical behavior of defected X80 steel pipeline under combined tension and bending is performed. Parametric studies including the effects of crack depth and crack length are also conducted. The resistance curve of the pipe under different ratios of strain and curvature is obtained.
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页数：11
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