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Cracking behavior of basalt fibre reinforced polymer‐reinforced concrete: An approach for the determination of crack spacing and crack width

Hofmann, Sebastian ; Tran, Linh ; Proske, Tilo ; Graubner, Carl-Alexander (2020)
Cracking behavior of basalt fibre reinforced polymer‐reinforced concrete: An approach for the determination of crack spacing and crack width.
In: Structural Concrete, 21 (5)
doi: 10.1002/suco.202000156
Article, Bibliographie

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Abstract

The limitation of the crack width is of central importance for the design in the serviceability limit state. For FRP‐reinforced concrete members, the crack width has to be limited for service condition in use and not due to corrosion protection. In this paper, an experimental program of pull‐out tests and slender concrete cylinders with basalt fiber‐reinforced polymer rebars under centric tension load is presented. The used basalt fiber‐reinforced polymer rebars are sand coated and have in addition a helically wrapped thread for a decent profiling. Equations to calculate crack spacing and crack width of FRP‐reinforced concrete is derived and calibrated with the obtained experimental results. Finally, the equations are verified with experimental data from other authors and a crack model is given for reinforced concrete members with FRP rebars with a helically wrapped and sand coated surface.

Item Type: Article
Erschienen: 2020
Creators: Hofmann, Sebastian ; Tran, Linh ; Proske, Tilo ; Graubner, Carl-Alexander
Type of entry: Bibliographie
Title: Cracking behavior of basalt fibre reinforced polymer‐reinforced concrete: An approach for the determination of crack spacing and crack width
Language: English
Date: 2020
Place of Publication: Oxford
Place of primary publication: Oxford
Publisher: John Wiley & Sons
Journal or Publication Title: Structural Concrete
Volume of the journal: 21
Issue Number: 5
DOI: 10.1002/suco.202000156
Corresponding Links:
Abstract:

The limitation of the crack width is of central importance for the design in the serviceability limit state. For FRP‐reinforced concrete members, the crack width has to be limited for service condition in use and not due to corrosion protection. In this paper, an experimental program of pull‐out tests and slender concrete cylinders with basalt fiber‐reinforced polymer rebars under centric tension load is presented. The used basalt fiber‐reinforced polymer rebars are sand coated and have in addition a helically wrapped thread for a decent profiling. Equations to calculate crack spacing and crack width of FRP‐reinforced concrete is derived and calibrated with the obtained experimental results. Finally, the equations are verified with experimental data from other authors and a crack model is given for reinforced concrete members with FRP rebars with a helically wrapped and sand coated surface.

Uncontrolled Keywords: FRP, BFRP|, crack spacing, crack width, bond behavior, crack model
Classification DDC: 600 Technology, medicine, applied sciences > 624 Civil engineering and environmental protection engineering
Divisions: 13 Department of Civil and Environmental Engineering Sciences
13 Department of Civil and Environmental Engineering Sciences > Institute of Solid Construction
Date Deposited: 06 Apr 2021 15:34
Last Modified: 28 Nov 2023 15:02
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