Abstract
The shear behavior of reinforced “Z”-shaped push-off specimens made with self-compacting concrete (SCC) and self-compacting fiber-reinforced concrete (SCFRC) was analyzed by means of experimental tests. Testing consisted of two phases. Firstly, specimens were precracked subjected to linear load along the shear plane. During this first phase three precracked levels were distinguished (without precrack, thin and thick precrack). Then, precracked specimens were tested under direct shear load. The shear behavior along the shear plane was analyzed by means of the crack opening and shear displacement versus shear load process. Variables were: the type of concrete (SCC, or SCFRC with different fibers contents: 40 kg/m3 or 60 kg/m3), the transversal reinforcement (TR) and the precrack width. The analysis was specially focused on the study of aggregate interlocking. The failure occurrence is better controlled thanks to the presence of fibers, the shear behavior is more ductile.
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Cuenca, E., Serna, P. (2010). Shear Behavior of Self-Compacting Concrete and Fiber-Reinforced Concrete Push-Off Specimens. In: Khayat, K., Feys, D. (eds) Design, Production and Placement of Self-Consolidating Concrete. RILEM Bookseries, vol 1. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-9664-7_36
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DOI: https://doi.org/10.1007/978-90-481-9664-7_36
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