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Please use this identifier to cite or link to this item: http://hdl.handle.net/11129/3033

Title: Effect of steel fibers on plastic shrinkage cracking of normal and high strength concretes
Authors: Eren, Özgür
Marar, Khaled
Eastern Mediterranean University, Faculty of Engineering, Department of Civil Engineering
Keywords: plastic shrinkage, bleeding, cracks
high strength concrete, fiber reinforced concrete,
High strength concrete, MATERIALS SCIENCE,
Issue Date: 2010
Publisher: ABM
Abstract: Naturally concrete shrinks when it is subjected to a drying environment. If this shrinkage is restrained, tensile stresses develop and concrete may crack. Plastic shrinkage cracks are especially harmful on slabs. One of the methods to reduce the adverse effects of shrinkage cracking of concrete is by reinforcing concrete with short randomly distributed fibers. The main objective of this study was to investigate the effect of fiber volume and aspect ratio of hooked steel fibers on plastic shrinkage cracking behavior together with some other properties of concrete. In this research two different compressive strength levels namely 56 and 73 MPa were studied. Concretes were produced by adding steel fibers of 3 different volumes of 3 different aspect ratios. From this research study, it is observed that steel fibers can significantly reduce plastic shrinkage cracking behavior of concretes. On the other hand, it was observed that these steel fibers can adversely affect some other properties of concrete during fresh and hardened states.
Description: Due to copyright restrictions, the access to the publisher version (published version) of this article is only available via subscription. You may click URI and have access to the Publisher Version of this article through the publisher web site or online databases, if your Library or institution has subscription to the related journal or publication.
URI: http://dx.doi.org/10.1590/S1516-14392010000200004
http://hdl.handle.net/11129/3033
Appears in Collections:CE – Journal Articles: Publisher & Author Versions (Post-Print Author Versions) – Civil Engineering

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