复合材料修复腐蚀管道在拉力和内压作用下的失效载荷分析

IF 2.6 4区工程技术 Q1 Engineering

Journal of Marine Engineering and Technology Pub Date : 2020-09-29 DOI:10.1080/20464177.2020.1826675

Y. Zhang, Ziyun Cheng, Zhike Jia

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引用次数: 3

摘要

摘要管道维修在管道安全运行中起着重要作用。复合材料修复技术以其重量轻、成本低的优点，在管道修复中得到了广泛的应用。本文通过试验、有限元法和理论方法，对复合材料修复后的管道在拉力和内压作用下的破坏载荷进行了分析，并在理论分析的基础上得出了简单的破坏载荷公式，并通过有限元和试验进行了验证。首先，拉伸实验表明，修复后的管道在断裂前会发生脱粘，然后在考虑粘合剂脱粘准则的有限元结果中显示脱粘细节，最后在分析界面应力的基础上得到了失效拉伸载荷的简单公式表达式，结果与实验方法和有限元计算结果基本一致。同样，对于内压情况，基于理论分析，获得了修复管道的爆破破坏载荷，与有限元结果一致。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Failure loads analysis of corroded pipe repaired by composite material under tension and internal pressure

ABSTRACT Pipeline repair plays an important role in safe pipeline operation. Composite material repair technology has been widely used in pipeline repair due to its advantage of light weight and low cost. In this paper, the failure loads of repaired pipe with composite under tension and internal pressure are analysed by experiments, Finite Element Method (FEM) and theoretical method, and simple formula of failure loads is obtained based on theoretical analysis and verified by FEM and experiments. First, the tension experiment shows that debonding happens in the repaired pipe before its fracture, and then the debonding details are showed in FEM results considering the adhesive debonding criteria, finally a simple formula expression is obtained for the failure tension loads based on the analysis of interface stresses, and the results are almost consistent with the experimental method and FEM. Similarly, for the case under internal pressure, the blasting failure loads are obtained for the repaired pipe based on the theoretical analysis, which are consistent with FEM results.

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来源期刊

Journal of Marine Engineering and Technology 工程技术-工程：海洋

CiteScore

5.20

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Journal of Marine Engineering and Technology will publish papers concerned with scientific and theoretical research applied to all aspects of marine engineering and technology in addition to issues associated with the application of technology in the marine environment. The areas of interest will include: • Fuel technology and Combustion • Power and Propulsion Systems • Noise and vibration • Offshore and Underwater Technology • Computing, IT and communication • Pumping and Pipeline Engineering • Safety and Environmental Assessment • Electrical and Electronic Systems and Machines • Vessel Manoeuvring and Stabilisation • Tribology and Power Transmission • Dynamic modelling, System Simulation and Control • Heat Transfer, Energy Conversion and Use • Renewable Energy and Sustainability • Materials and Corrosion • Heat Engine Development • Green Shipping • Hydrography • Subsea Operations • Cargo Handling and Containment • Pollution Reduction • Navigation • Vessel Management • Decommissioning • Salvage Procedures • Legislation • Ship and floating structure design • Robotics Salvage Procedures • Structural Integrity Cargo Handling and Containment • Marine resource and acquisition • Risk Analysis Robotics • Maintenance and Inspection Planning Vessel Management • Marine security • Risk Analysis • Legislation • Underwater Vehicles • Plant and Equipment • Structural Integrity • Installation and Repair • Plant and Equipment • Maintenance and Inspection Planning.