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Static behaviour of earth block masonry: experimental testing and finite element modelling

  • In this paper an extensive research campaign aimed to define the mechanical performance of earth block masonry panels is presented. Uniaxial compression and diagonal compression tests were performed. The test results confirmed the brittle behaviour of earth block masonry under uniaxial compressive load and showed that the failure of earth block masonry under shear load occurs by sliding of the earth blocks along the mortar joints after initial cracking in mortar joints and earth blocks. For diagonal compression test results showed that building technique practice is one of the key factors affecting the structural performances. Experimental behaviour was modelled with a non-linear model capable of describing cracking behaviour. Both micro-modelling and macro-modelling implementing isotropic or orthotropic material laws were used to assess the reliability of different modelling strategies. The model calibration was carried out by sensibility analysis of the input parameters to understandIn this paper an extensive research campaign aimed to define the mechanical performance of earth block masonry panels is presented. Uniaxial compression and diagonal compression tests were performed. The test results confirmed the brittle behaviour of earth block masonry under uniaxial compressive load and showed that the failure of earth block masonry under shear load occurs by sliding of the earth blocks along the mortar joints after initial cracking in mortar joints and earth blocks. For diagonal compression test results showed that building technique practice is one of the key factors affecting the structural performances. Experimental behaviour was modelled with a non-linear model capable of describing cracking behaviour. Both micro-modelling and macro-modelling implementing isotropic or orthotropic material laws were used to assess the reliability of different modelling strategies. The model calibration was carried out by sensibility analysis of the input parameters to understand the influence of unit strength on the shear behaviour of masonry.zeige mehrzeige weniger

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Metadaten
Autor*innen:Lorenzo Miccoli, A. Garofano, Patrick Fontana, U. Müller
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 1484, 1
Letzte Seite:14
Freie Schlagwörter:Compression test; Diagonal compression test; Earth block masonry; Earthen materials; Numerical modelling; Uniaxial compression test
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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