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CLC number: X703

On-line Access: 2011-08-02

Received: 2010-12-04

Revision Accepted: 2011-03-21

Crosschecked: 2011-07-04

Cited: 13

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Journal of Zhejiang University SCIENCE A 2011 Vol.12 No.8 P.627-636

10.1631/jzus.A1000489


Buckling response of offshore pipelines under combined tension, bending, and external pressure


Author(s):  Shun-feng Gong, Lin Yuan, Wei-liang Jin

Affiliation(s):  Institute of Structural Engineering, Zhejiang University, Hangzhou 310058, China

Corresponding email(s):   sfgong@zju.edu.cn

Key Words:  Deepwater, Offshore pipeline, Buckle, External pressure


Shun-feng Gong, Lin Yuan, Wei-liang Jin. Buckling response of offshore pipelines under combined tension, bending, and external pressure[J]. Journal of Zhejiang University Science A, 2011, 12(8): 627-636.

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%A Wei-liang Jin
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%I Zhejiang University Press & Springer
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T1 - Buckling response of offshore pipelines under combined tension, bending, and external pressure
A1 - Shun-feng Gong
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J0 - Journal of Zhejiang University Science A
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DOI - 10.1631/jzus.A1000489


Abstract: 
The buckle and collapse of offshore pipeline subjected to combined actions of tension, bending, and external pressure during deepwater installation has drawn a great deal of attention. Extended from the model initially proposed by Kyriakides and his co-workers, a 2D theoretical model which can successfully account for the case of simultaneous tension, bending, and external pressure is further developed. To confirm the accuracy of this theoretical method, numerical simulations are conducted using a 3D finite element model within the framework of ABAQUS. Excellent agreement between the results validates the effectiveness of this theoretical method. The model is then used to study the effects of several important factors such as load path, material properties, and diameter-to-thickness ratio, etc., on buckling behaviors of the pipes. Based upon parametric studies, a few significant conclusions are drawn, which aims to provide the design guidelines for deepwater pipeline with solid theoretical basis.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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