SMA内加固油气管道粘结界面性能劣化研究

Journal: Building Technology Research DOI: 10.12238/btr.v7i4.4463

刘宗超¹, 梁俊波², 费忠宇², 腾帅²

1. 广州铁路职业技术学院
2. 广州大学

Abstract

为将形状记忆合金用于石油管道内部加固并确保良好的加固效果,需要对粘结界面在石油侵蚀环境下的性能劣化规律开展研究。本文配置了石油模拟溶液,对市场上常用的粘钢胶制作的单剪试件进行了60天和90天腐蚀,随后开展了单剪破坏试验,分析了石油侵蚀前后界面粘结性能变化。实验表明,经石油腐蚀后粘结界面极限滑移量和承载力均出现明显衰退。但在经过60天腐蚀后,界面性能趋于稳定。本文结果为石油环境下SMA加固性能的评估提供了依据。

Keywords

石油侵蚀；粘结界面；单剪试验；SMA加固

Funding

国家自然科学基金青年项目《复杂流体环境下SMA贴片内加固带裂纹压力管道的失效机制及耐久性设计方法研究》；项目编号：52208309。

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References

[1] Li X.,Chen G.,Zhu H. Quantitative risk analysis on leaka ge failure of submarineoil and gas pipelines using Bayesian network[J].Process Safety and Environmental Protection,2016,103:163-173.
[2] Yan H.,Yang X.,Hou X.,Wang L.,Li P.Research on the Perfo rmance of a NewExternal Occlusion Device for Pressure Vessel Leakage[J].Journal of Mechanical Engineering, 2020, 66:668-676.
[3] 李荣光,张巍,于憬,等.《油气管道管体缺陷修复技术规范》解读[J].石油工程建设,2020,46(3):88-92.
[4] 刘宗超,梁俊波,费忠宇,等.镍钛基形状记忆合金板最大回复应力实验研究[J].工业技术,2024,6(2):64-66.
[5] Rius J.M.,Cladera A.,Ribas C.,etal.Shear strengthening of reinforced concrete beams using shape memory alloys[J].Construction and Building Materials,2019,200:420-435.
[6] Wang Z,Zhou Z,Xu W,etal.Study on inner corrosion beha vior of high strength product oil pipelines. Engineering Failu re Analysis.2020,115:104659.

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