Structural Cast-in-Place Application of Polyolefin Fiber–Reinforced Concrete in a Water Pipeline Supporting Elements
Publication: Journal of Pipeline Systems Engineering and Practice
Volume 8, Issue 4
Abstract
Research has shown that polyolefin-based macrofibers can meet the requirements of the standards to consider their postcracking contribution in the structural design of fiber-reinforced concrete. The main drawback of such material is the lack of experience and the dependence on a suitable fiber distribution along the pieces. In this study, a real application of polyolefin fiber–reinforced concrete is reported. Its use enabled a reduction of the overall material cost and a total substitution of the customary steel-bar reinforcement. Moreover, it allowed an improvement in the concrete pouring rate and completion deadlines along the pipeline. In order to assure that structural requirements were fulfilled with reliability, quality control was a key point in the construction works, and therefore is also described. The conclusions revealed a noteworthy reliable performance of the polyolefin fiber–reinforced concrete, with there being a remarkably limited scatter of the residual strengths and provision of trustworthiness for its use in possible future structural applications.
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Acknowledgments
The authors gratefully acknowledge the financial support provided by the Ministry of Economy and Competitiveness of Spain by means of the Research Fund Project BIA 2016-78742-C2-2-R.
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Information & Authors
Information
Published In
Journal of Pipeline Systems Engineering and Practice
Volume 8 • Issue 4 • November 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Apr 16, 2016
Accepted: Mar 1, 2017
Published online: Jun 15, 2017
Published in print: Nov 1, 2017
Discussion open until: Nov 15, 2017
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