2008
DOI: 10.2174/1874836800802010146
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Crack Patterns in Reinforced and Fiber Reinforced Concrete Structures

Abstract: The cracking phenomenon of members made of traditional reinforced concrete (RC) or by combining steel fibers and traditional reinforcing bars (R/FRC) is analyzed in this paper. Referring to the tensile zone of a beam subjected to bending moment and axial load, a unique block model is introduced to predict crack widths, crack lengths and crack distances. The proposed approach, based on the nonlinear behaviour of the cracked cement-based material in tension, and on the bond-slip interaction between rebars and co… Show more

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Cited by 9 publications
(2 citation statements)
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“…For the FRC beams without stirrups and reinforced with Ø18 longitudinal bars, the crack spacing appears proportional to the FRC toughness, which is related to the fiber content. As observed in other studies, 42–44 an increase in the supplied fiber dosage in lightly reinforced FRC elements leads to a reduction of the average spacing of cracks. Averaging the two values of s v obtained for the beams containing 50 kg/m 3 of fibers “D” and “G” gives the average crack spacing equal to 128 mm and 168 mm, respectively.…”
Section: Test Results and Discussionsupporting
confidence: 75%
“…For the FRC beams without stirrups and reinforced with Ø18 longitudinal bars, the crack spacing appears proportional to the FRC toughness, which is related to the fiber content. As observed in other studies, 42–44 an increase in the supplied fiber dosage in lightly reinforced FRC elements leads to a reduction of the average spacing of cracks. Averaging the two values of s v obtained for the beams containing 50 kg/m 3 of fibers “D” and “G” gives the average crack spacing equal to 128 mm and 168 mm, respectively.…”
Section: Test Results and Discussionsupporting
confidence: 75%
“…A. Borosnyi and G. L. Balazs summarized the development of flexural crack models and collected the most relevant formulae for crack spacing and crack width [3]. B. Chiaia et al introduced a unique block model to predict crack widths, crack lengths and crack distances [4]. S.H.…”
Section: Introductionmentioning
confidence: 99%