Characteristics of Fiber Reinforced Cementitious Composites in Dependence on Casting Direction

Jindřich Fornůsek; Michal Tvarog

doi:10.4028/www.scientific.net/AMM.732.377

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Methods of Non-Destructive Assessment of Timber
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Characteristics of Fiber Reinforced Cementitious Composites in Dependence on Casting Direction
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Determination of Permeability Properties of Concrete Surface Modified by CPF
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 732Characteristics of Fiber Reinforced Cementitious...

Characteristics of Fiber Reinforced Cementitious Composites in Dependence on Casting Direction

Abstract:

This paper deals about behavior of fiber reinforced cement composite in dependence on the casting direction. Almost fifty concrete prisms of size 400 x 100 x 100 mm were cast; half of these were fiber reinforced concrete (FRC) and the other half was ultra-high performance fiber reinforced concrete (UHPFRC). Approximately one half of both mixtures was cast in horizontal direction and the other half vertically. It was found that the specific fracture energy of horizontally cast prisms was approximately 4,5 times larger for both materials than the vertically cast ones. Ultimate loads of FRC were very similar for both casting directions. Peak loads of the horizontally cast UHPFRC prisms were approximately 3 times larger than the vertically cast ones. This research confirmed that there is significant influence of the casting direction on the fiber reinforced concrete characteristics.

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Periodical:

Applied Mechanics and Materials (Volume 732)

Pages:

377-380

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.732.377

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Online since:

February 2015

Authors:

Jindřich Fornůsek*, Michal Tvarog

Keywords:

Concrete, Fiber, Fracture Energy, FRC, UHPFRC

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