Comparison of fiber-reinforced polymer wrapping versus steel sleeves for repair of pipelines

Bruce, William A.

doi:10.1016/b978-0-85709-684-5.00004-7

Cited by 8 publications

(3 citation statements)

References 4 publications

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“…When faced with the need to repair an operating pipeline, there are often a variety of in-service repairing strategies available to pipeline operators for a given repairing situation [14]. While the use of metallic materials to repair damages is nowadays a mature technology (the use of full-encirclement steel sleeves for pipeline repair was developed in the early 1970s [15,16]), the use of non-metallic composite for pipeline repairs has only recently attracted considerable interest [17][18][19][20][21][22]. The first commercially available system was Clock Spring ® , which consisted of an E-glass/polyester resin-based composite material preformed into a multilayer coil installed using an adhesive.…”

Section: Introductionmentioning

confidence: 99%

Experimental-Numerical Investigation of a Steel Pipe Repaired with a Composite Sleeve

et al. 2022

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Pressure vessels are subjected to deterioration and damage, which can significantly reduce their strength and loading capabilities. Among several procedures nowadays available to repair damaged steel pipelines, composite-repairing systems have become popular over the past few years to restore the loading capacity of damaged pipelines. This study reports a numerical-experimental investigation performed for a composite-repaired pipeline made of API 5L X60 steel. An experimental burst test was carried out on a 4 m long pipe section, closed by two lateral caps, and tested up to failure by means of high-pressure water. In parallel, the test was numerically replicated through a FEM model of the composite-repaired steel tank, allowing for a cross-comparison of results. It was found that the composite repairing system has almost eliminated both the noteworthy thickness reduction of 80% and the related stress concentrations in the pipe body. These outcomes allow for a better understanding of these repairing procedures in order to drive their subsequent optimization.

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Section: Introductionmentioning

confidence: 99%

Experimental-Numerical Investigation of a Steel Pipe Repaired with a Composite Sleeve

et al. 2022

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“…During inspections, scientists and engineers frequently deal with the problem of tube wall metal loss, in particular, with its impact on the ability of the repaired thin-walled cylinder to withstand the design pressure [ 4 ]. For the unacceptable defects, in many service situations, the affected pipeline sections are removed and replaced with new ones, or in some cases, full-encirclement steel sleeves are welded around the corroded areas [ 5 ]. In both previously mentioned cases, such repairs entail significant costs due to the mandatory shutdown of the pipeline, as well as the materials and installation expenditures.…”

Section: Introductionmentioning

confidence: 99%

Analytical Model and Numerical Analysis of Composite Wrap System Applied to Steel Pipeline

et al. 2021

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Composite overwraps are a cost-effective repair technology, appropriate for corrosion defects, dents, and gouges for both onshore and offshore steel pipelines. The main benefit of polymer-based sleeves is safe installation without taking the pipeline out of service. This paper presents a new calculation procedure proposed in the form of an algorithm for the sizing of composite repairs of corroded pipelines when the sleeve is applied at zero internal pressure. The main objective of the presented methodology is determination of the effective thickness of the composite repair without its overestimation or underestimation. The authors used a non-linear finite element method with constitutive models allowing analysis of the steel, putty, and composite structures. The validation of the results of numerical computations compared to the experimental ones showed an appropriate agreement. The numerical calculations were applied to compare the analytical results in relation to those obtained by the standards ASME PCC-2 or ISO/TS 24817. The comparison showed that the proposed solution confirmed its effectiveness in reducing the thickness of the sleeve significantly, thus, showing that the current industrial standards provide a considerably excessive composite wrap around the steel pipe corroded area, which leads to an unnecessary increase in the repair costs.

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“…В наиболее известных и значимых публикациях по данной тематике [8,9,10,12,16,20] отражается комплекс вопросов эффективности применения набрызгиваемых покрытий и сравнения их с альтернативными, использования для ремонта различного типа полимерных труб с круглыми и деформированными профилями с учетом стоимостных показателей и специфических технологических аспектов реконструкции при использовании бестраншейных методов.…”

Section: Introductionunclassified

Ensuring Physical Integrity and Energy Saving in Water Transport Pipeline Systems After Their Reconstruction

Orlov¹

2019

W&E

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Сформулированы задачи водоканалов по эффективному управлению трубопроводными системами и экологических служб по обеспечению удовлетворительного состояния грунтов и подземных вод вблизи трасс инженерных сетей. Особое внимание отводится обеспечению физической целостности и предотвращению старения трубопроводов транспорта воды. В качестве методов реконструкции трубопроводов обосновано применение бестраншейных технологий с использованием современных набрызгиваемых защитных покрытий на базе органических материалов и полимерных труб с предварительно сжатым поперечным сечением по технологии Swagelining. Методы. Описаны применяемые аналитические и расчетные методы, которые позволяют рекомендовать наиболее востребованный тип защитного покрытия в зависимости от вида дефекта с одновременным достижением эффекта энергосбережения при соблюдении условий гидравлической совместимости отдельных участков старого и нового трубопроводов. Результаты. Приведены и проанализированы результаты расчетов потенциала энергосбережения для конкретных задач рекон струкции старого стального трубопровода набрызгиваемыми покрытиями полимерами серии Copon Hycot в различных модификациях, а также полимерных труб. Заключение. Установлены диапазоны изменения внутреннего диаметра нового стального трубопровода после реновации, толщины стенки после операций сжатия-распрямления трубы, динамика потерь напора, среднегодовая экономия электроэнергии на погонный метр и по всей длине трубопровода. Представлены математические зависимости для расчета диаметра и потенциала энергосбережения в случае применения при реконструкции напорных полимерных труб с нестандартным значением SDR.

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Comparison of fiber-reinforced polymer wrapping versus steel sleeves for repair of pipelines

Cited by 8 publications

References 4 publications

Experimental-Numerical Investigation of a Steel Pipe Repaired with a Composite Sleeve

Experimental-Numerical Investigation of a Steel Pipe Repaired with a Composite Sleeve

Analytical Model and Numerical Analysis of Composite Wrap System Applied to Steel Pipeline

Ensuring Physical Integrity and Energy Saving in Water Transport Pipeline Systems After Their Reconstruction

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