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Naslov:Bond improvement in cementitious mortars reinforced with continuous carbon filaments
Avtorji:ID Ivanič, Andrej (Avtor)
ID Lubej, Samo (Avtor)
ID Radosavljević, Milan (Avtor)
Datoteke:URL http://www.civilica.com/EnPaper-ICCT01-ICCT01_096.html
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano
Tipologija:1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:FGPA - Fakulteta za gradbeništvo, prometno inženirstvo in arhitekturo
Opis:Among various parameters that influence the properties of the composite, the bond between the cementitious matrix and the fibres is the most important one. This paper investigates the influence of admixtures - silica fume, superplasticizer and air entraining agent - on the improvement of the bond between bundled carbon filaments and cementitious mortars. An overall microstructural analysis has shown that the addition of silica fume strengthen the interfacial transition zone by both the reduction of its porosity and the consumption of CH crystals. The addition of a superplasticizer increased the workability of fresh mortars, but the bond improvement was insignificant. The application of the air entraining agent caused the formation of air bubbles inside the mortar matrix. Air bubbles formed in the vicinity of the multifilament yarn were found to provide mechanical anchoring for fibres leading to a significant increase in interface friction. Fibre-bundle pullout tests were carried out to confirm the effectiveness of the admixtures to improve the interface bonding. Based on the resulting load-displacement curves, air entraining agent was found to be most effective in enhancing the bonding characteristics of the cementitious composite.
Ključne besede:carbon fibers, cementitious composites, bond properties
Leto izida:2009
PID:20.500.12556/DKUM-26568 Novo okno
UDK:691
COBISS.SI-ID:14199062 Novo okno
ISSN pri članku:1735-5540
NUK URN:URN:SI:UM:DK:LRQAQF8D
Datum objave v DKUM:31.05.2012
Število ogledov:1621
Število prenosov:42
Metapodatki:XML DC-XML DC-RDF
Področja:Ostalo
:
IVANIČ, Andrej, LUBEJ, Samo in RADOSAVLJEVIĆ, Milan, 2009, Bond improvement in cementitious mortars reinforced with continuous carbon filaments. V : Civilica [na spletu]. Objavljeni znanstveni prispevek na konferenci. 2009. [Dostopano 26 april 2025]. Pridobljeno s: http://www.civilica.com/EnPaper-ICCT01-ICCT01_096.html
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Gradivo je del revije

Naslov:Civilica
Skrajšan naslov:Civilica. encycl. civ. eng
Založnik:Shirkat-i tusiđah-i fanavaräi-i säakhtimäan-i bäum/säazah
ISSN:1735-5540
COBISS.SI-ID:14198550 Novo okno

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