NDLI: Shear Behavior and Crack Control Characteristics of Hybrid Steel Fiber-Reinforced Concrete Panels

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Shear Behavior and Crack Control Characteristics of Hybrid Steel Fiber-Reinforced Concrete Panels

Content Provider	Semantic Scholar
Author	Chasioti, Stamatina G. Vecchio, Frank J.
Copyright Year	2017
Abstract	This paper investigates the beneficial influence of fiber hybridization on the shear strength of prismatic elements in terms of strength, deformation capacity, and cracking properties. Fourteen tests were performed using the Panel Element Tester Facility at the University of Toronto. Hooked-end steel macrofibers and straight short microfibers were combined in a normal-strength concrete matrix. The parameters examined were: the total fiber volumetric ratio, the performance of hybrid steel fiber-reinforced concrete (HySFRC) versus its single fiber counterparts with the same total amount of fibers, the effect of cyclic loading, the influence of pre-cracking in longitudinal tension on shear response, and the effect of biaxial tensile stresses combined with shear. Test results showed that shear strength and effective stiffness were enhanced through fiber hybridization. For example, in panels having a total fiber volumetric ratio of 1.5%, the HySFRC panel exhibited a 10% enhancement in shear strength compared to its counterpart with macrofibers only. Synergy in shear increased with increasing fiber ratio. Crack widths and spacing were not affected by load reversals.
Starting Page	209
Ending Page	220
Page Count	12
File Format	PDF HTM / HTML
DOI	10.14359/51689164
Volume Number	114
Alternate Webpage(s)	http://vectoranalysisgroup.com/journal_publications/jp96.pdf
Alternate Webpage(s)	https://doi.org/10.14359/51689164
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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