NUMERICAL ANALYSIS OF THE EFFECT OF THE REPAIR OF CORRODED PIPELINE WITH COMPOSITE PATCHES ON THE PREDICTION OF FAILURE PRESSURE

被引：0

作者：

Achira, Fouad Sodki Kara ^{[1
]}

Medjdoub, Sidi Mohamed ^{[2
]}

Hocine, Abdelkader ^{[1
]}

Dhaou, Mohamed Houcine ^{[3
]}

Chapelle, David ^{[4
]}

机构：

[1] Hassiba Benbouali Univ Chlef, Controls Lab Tests Measurements & Simulat Mech, Chlef, Algeria

[2] Univ Djillali Liabes Sidi Bel Abbes, Dept Mech Engn, Sidi Bel Abbes, Algeria

[3] Qassim Univ, Coll Sci, Dept Phys, Buraydah, Saudi Arabia

[4] Inst FEMTO ST, Dept LMARC, Besancon, France

来源：

STRUCTURAL INTEGRITY AND LIFE-INTEGRITET I VEK KONSTRUKCIJA | 2023年 / 23卷 / 01期

关键词：

corroded pipe; failure pressure; nonlinear; repair; synthetic and bio patch; stacking sequence; CORROSION DEFECTS; RELIABILITY; CRITERION; JOINT; CRACK;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present paper focuses on the numerical prediction of failure pressure for a corroded pipeline before and after repair using composite materials patch. In the first step, the failure pressure of the corroded pipe subjected to internal pressure, has been predicted and validated using nonlinear behaviour. Then, effects of length, width and spacing of corrosion pits on failure pressure were discussed. In the second and last step, the corroded pipe is repaired with two kinds of composite patch, based on synthetic and natural fibres and the effect of reinforcement is observed. The limit of repair under increasing internal pressure is studied. The good results obtained make it possible to decide on the developed numerical model and on its reliability in predict-ing the failure pressure of corroded tubular structures and principally in optimising the thickness of the biocomposite patch repair.

引用

页码：15 / 22

页数：8

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