Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Crack width analysis of steel fibers reinforced concrete beams
Fibre reinforced concrete in recent years has grown from experimental material to a practical usable material, due to its positive properties such as increased tensile strength, bending strength, toughness etc. However, still there are many unanswered questions that are the subject of many research. In this paper results and analysis of crack width of concrete beams with steel fibres are presented. This analysis considers influence of steel fibre addition on the crack width of reinforced concrete beams (dimensions 15/28/300 cm) loaded up to fracture during short-term ultimate static load with one unloading cycle. Concrete beams were made of two types of concrete: ordinary strength concrete (OSC) - C30/37 and high strength concrete (HSC) - C60/70, with and without 0.45% of steel fibres. The results indicate that there is a significant influence of fibre addition on crack width, especially for ordinary concrete. At the end, empirical calculations of the concrete elements' crack width with steel fibres according to the recommendations of RILEM and ACI building code are given.
Crack width analysis of steel fibers reinforced concrete beams
Fibre reinforced concrete in recent years has grown from experimental material to a practical usable material, due to its positive properties such as increased tensile strength, bending strength, toughness etc. However, still there are many unanswered questions that are the subject of many research. In this paper results and analysis of crack width of concrete beams with steel fibres are presented. This analysis considers influence of steel fibre addition on the crack width of reinforced concrete beams (dimensions 15/28/300 cm) loaded up to fracture during short-term ultimate static load with one unloading cycle. Concrete beams were made of two types of concrete: ordinary strength concrete (OSC) - C30/37 and high strength concrete (HSC) - C60/70, with and without 0.45% of steel fibres. The results indicate that there is a significant influence of fibre addition on crack width, especially for ordinary concrete. At the end, empirical calculations of the concrete elements' crack width with steel fibres according to the recommendations of RILEM and ACI building code are given.
Crack width analysis of steel fibers reinforced concrete beams
Šahinagić-Isović Merima (Autor:in) / Ćećez Marko (Autor:in)
2017
Aufsatz (Zeitschrift)
Elektronische Ressource
Unbekannt
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