Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Toughness determination for fibre reinforced concrete
Abstract Methods currently used to evaluate the toughness of fibre reinforced concrete (FRC) are reviewed. Parameters representing the fracture energy determined from the area under the load-displacement curve obtained from conventional laboratory tests are discussed. An improved toughness parameter is proposed based on the secant compliance (the displacement/load ratio), rather than judging by load or displacement alone as by conventional methods. The new parameter is shown to represent the toughness properties of FRC in a more consistent manner than other similar methods when applied to a wide range of idealiseo load-displacement curves. However, like other toughness parameters determined from the area under the load-displacement curve, its use should be limited to comparisons among results obtained under the same test conditions.
Toughness determination for fibre reinforced concrete
Abstract Methods currently used to evaluate the toughness of fibre reinforced concrete (FRC) are reviewed. Parameters representing the fracture energy determined from the area under the load-displacement curve obtained from conventional laboratory tests are discussed. An improved toughness parameter is proposed based on the secant compliance (the displacement/load ratio), rather than judging by load or displacement alone as by conventional methods. The new parameter is shown to represent the toughness properties of FRC in a more consistent manner than other similar methods when applied to a wide range of idealiseo load-displacement curves. However, like other toughness parameters determined from the area under the load-displacement curve, its use should be limited to comparisons among results obtained under the same test conditions.
Toughness determination for fibre reinforced concrete
Wang, Youjiang (Autor:in) / Backer, Stanley (Autor:in)
13.07.1988
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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