TY - JOUR T1 - Analytical Evaluation of the Strength in the Repair of Damaged Areas in Steel Pipes with the Composite Hand-Laying Method Using Energy Release Rate Relations AU - Soykök, İbrahim Fadıl PY - 2025 DA - November Y2 - 2025 JF - Journal of Dynamics, Energy and Utility JO - JDEU PB - Dokuz Eylul University WT - DergiPark SN - 3108-3595 SP - 51 EP - 59 VL - 1 IS - 2 LA - en AB - Especially in the oil and gas industry, traditional repair processes such as welded patching or local displacement of steel pipes damaged by drilling under various environmental and working conditions are replaced by more advantageous alternative composite repair methods over time, as they bring with them various risks and losses. Hydrostatic tests are applied to identical samples in order to predict the mechanical strength of the composite patching process, which is applied by hand-laying method and is carried out by wrapping a reinforcing fabric soaked in resin around the steel pipe, and this is both time-consuming and poses a risk during explosion. For this reason, designers have started to effectively apply numerical methods such as Finite Element Analysis and compliance with experimental data has been achieved. However, due to the parametric study performed in the Finite Element Method, solution times vary depending on the program, hardware, solution method, number of elements, etc. It may take longer due to the influence of variables. The current study aims to ensure that this numerical solution, which is made using energy release rate relations, is carried out analytically in a faster and more practical way. 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