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Bond strength of anchor pins for earth block masonry

  • Connections improvement plays a key role in seismic upgrade of historical buildings. Their global response is related to the behaviour of the single structural elements as well as by their mutual connections. Up to now limited data is available on the performance of grouted anchor pins in earthen materials where the critical point is the bond between the grout and the earthen substrate. In this paper results of the experimental testing performed on earth block masonry are presented. Pull-out tests were carried out to investigate the bond strength and failure modes of stainless steel as well as glass fiber reinforced polymer (GFRP) rods with a lime based hydraulic grout and their compatibility with earth block masonry. GFRP rods were investigated as an alternative bonded-in anchorage material to the commonly used steel. In comparison with steel, they have a reduced weight and a reduced coefficient of thermal expansion. Their lower modulus of elasticity seems to be more compatible withConnections improvement plays a key role in seismic upgrade of historical buildings. Their global response is related to the behaviour of the single structural elements as well as by their mutual connections. Up to now limited data is available on the performance of grouted anchor pins in earthen materials where the critical point is the bond between the grout and the earthen substrate. In this paper results of the experimental testing performed on earth block masonry are presented. Pull-out tests were carried out to investigate the bond strength and failure modes of stainless steel as well as glass fiber reinforced polymer (GFRP) rods with a lime based hydraulic grout and their compatibility with earth block masonry. GFRP rods were investigated as an alternative bonded-in anchorage material to the commonly used steel. In comparison with steel, they have a reduced weight and a reduced coefficient of thermal expansion. Their lower modulus of elasticity seems to be more compatible with the modulus of elasticity of earthen materials, although they exhibit a brittle fracture with lack of plastic phase.zeige mehrzeige weniger

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Metadaten
Autor*innen:Lorenzo Miccoli, Patrick Fontana
Persönliche Herausgeber*innen:P.B. Lourenco, B.A. Haseltine, G. Vasconcelos
Dokumenttyp:Beitrag zu einem Tagungsband
Veröffentlichungsform:Verlagsliteratur
Sprache:Englisch
Titel des übergeordneten Werkes (Englisch):9th IMC - International Masonry Conference 2014
Jahr der Erstveröffentlichung:2014
Herausgeber (Institution):University of Minho
Erste Seite:Paper ID 1623, 1
Letzte Seite:12
Freie Schlagwörter:Anchor pins; Earth block masonry; Lime based hydraulic grout; Pull-out testing; Pull-out tests
Veranstaltung:9th IMC - International Masonry Conference
Veranstaltungsort:Guimaraes, Portugal
Beginndatum der Veranstaltung:07.07.2014
Enddatum der Veranstaltung:09.07.2014
ISBN:978-972-8692-85-8
Verfügbarkeit des Dokuments:Datei im Netzwerk der BAM verfügbar ("Closed Access")
Datum der Freischaltung:20.02.2016
Referierte Publikation:Ja
Datum der Eintragung als referierte Publikation:11.08.2014
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