Optimized bolt tightening strategies for gasketed flanged pipe joints of different sizes

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Abid, Muhammad and Khan, Ayesha and Nash, David Hugh and Hussain, Masroor and Wajid, Hafiz Abdul (2016) Optimized bolt tightening strategies for gasketed flanged pipe joints of different sizes. International Journal of Pressure Vessels and Piping, 139-140. pp. 22-27. ISSN 0308-0161 (https://doi.org/10.1016/j.ijpvp.2016.02.022)

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Abstract

Achieving a proper preload in the bolts of a gasketed bolted flanged pipe joint during joint assembly is considered important for its optimized performance. This paper presents results of detailed non-linear finite element analysis of an optimized bolt tightening strategy of different joint sizes for achieving proper preload close to the target stress values. Industrial guidelines are considered for applying recommended target stress values with TCM (torque control method) and SCM (stretch control method) using a customized optimization algorithm. Different joint components performance is observed and discussed in detail.

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