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Bond Strength between Glass Fiber Fabrics and Low Water-to-Binder Ratio Mortar: Experimental Characterization
Aalto University, Helsinki, Finland.
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.ORCID-id: 0000-0001-6287-2240
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.ORCID-id: 0000-0001-7279-6528
2018 (engelsk)Inngår i: Advances in Civil Engineering / Hindawi, ISSN 1687-8086, E-ISSN 1687-8094, Vol. 2018, artikkel-id 8197039Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

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.

sted, utgiver, år, opplag, sider
Hindawi Publishing Corporation, 2018. Vol. 2018, artikkel-id 8197039
HSV kategori
Forskningsprogram
Konstruktionsteknik
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URN: urn:nbn:se:ltu:diva-70881DOI: 10.1155/2018/8197039ISI: 000444863000001Scopus ID: 2-s2.0-85053683394OAI: oai:DiVA.org:ltu-70881DiVA, id: diva2:1250088
Merknad

Validerad;2018;Nivå 2;2018-09-18 (johcin)

Tilgjengelig fra: 2018-09-21 Laget: 2018-09-21 Sist oppdatert: 2018-10-03bibliografisk kontrollert

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