Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental Characterization

Full utilization of mechanical properties of glass fiber fabric-reinforced cement composites is very limited due to a low bond strength between fibers and the binder matrix. An experimental setup was developed and evaluated to correlate the mortar penetration depth with several key parameters. The s...

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Main Authors: Daniel Bohling, Andrzej Cwirzen, Karin Habermehl-Cwirzen
Format: Article
Language:English
Published: Wiley 2018-01-01
Series:Advances in Civil Engineering
Online Access:http://dx.doi.org/10.1155/2018/8197039
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author Daniel Bohling
Andrzej Cwirzen
Karin Habermehl-Cwirzen
author_facet Daniel Bohling
Andrzej Cwirzen
Karin Habermehl-Cwirzen
author_sort Daniel Bohling
collection DOAJ
description Full utilization of mechanical properties of glass fiber fabric-reinforced cement composites is very limited due to a low bond strength between fibers and the binder matrix. An experimental setup was developed and evaluated to correlate the mortar penetration depth with several key parameters. The studied parameters included fresh mortar properties, compressive and flexural strengths of mortar, the fabric/mortar bond strength, fabric pullout strength, and a single-lap shear strength. Results showed that an average penetration of mortar did not exceed 100 µm even at a higher water-to-binder ratio. The maximum particle size of the used fillers should be below an average spacing of single glass fibers, which in this case was less than 20 µm to avoid the sieving effect, preventing effective penetration. The pullout strength was strongly affected by the penetration depth, while the single-lap shear strength was also additionally affected by the mechanical properties of the mortar.
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institution Kabale University
issn 1687-8086
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language English
publishDate 2018-01-01
publisher Wiley
record_format Article
series Advances in Civil Engineering
spelling doaj-art-4a6300d192ad4d8a8ab12ea96a1447e72025-02-03T01:25:22ZengWileyAdvances in Civil Engineering1687-80861687-80942018-01-01201810.1155/2018/81970398197039Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental CharacterizationDaniel Bohling0Andrzej Cwirzen1Karin Habermehl-Cwirzen2Aalto University, Helsinki, FinlandLuleå University of Technology, Luleå, SwedenLuleå University of Technology, Luleå, SwedenFull utilization of mechanical properties of glass fiber fabric-reinforced cement composites is very limited due to a low bond strength between fibers and the binder matrix. An experimental setup was developed and evaluated to correlate the mortar penetration depth with several key parameters. The studied parameters included fresh mortar properties, compressive and flexural strengths of mortar, the fabric/mortar bond strength, fabric pullout strength, and a single-lap shear strength. Results showed that an average penetration of mortar did not exceed 100 µm even at a higher water-to-binder ratio. The maximum particle size of the used fillers should be below an average spacing of single glass fibers, which in this case was less than 20 µm to avoid the sieving effect, preventing effective penetration. The pullout strength was strongly affected by the penetration depth, while the single-lap shear strength was also additionally affected by the mechanical properties of the mortar.http://dx.doi.org/10.1155/2018/8197039
spellingShingle Daniel Bohling
Andrzej Cwirzen
Karin Habermehl-Cwirzen
Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental Characterization
Advances in Civil Engineering
title Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental Characterization
title_full Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental Characterization
title_fullStr Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental Characterization
title_full_unstemmed Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental Characterization
title_short Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental Characterization
title_sort bond strength between glass fiber fabrics and low water to binder ratio mortar experimental characterization
url http://dx.doi.org/10.1155/2018/8197039
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AT andrzejcwirzen bondstrengthbetweenglassfiberfabricsandlowwatertobinderratiomortarexperimentalcharacterization
AT karinhabermehlcwirzen bondstrengthbetweenglassfiberfabricsandlowwatertobinderratiomortarexperimentalcharacterization