Concept and finite-element modeling of new steel shear connectors for self-centering wall systems / Henry, Richard S. in Journal of engineering mechanics, Vol. 136 N° 2 (Fevrier 2010)  

Public ISBD [article]  inJournal of engineering mechanics > Vol. 136 N° 2 (Fevrier 2010) . - pp. 220-229 Titre : Concept and finite-element modeling of new steel shear connectors for self-centering wall systems Type de document : texte imprimé Auteurs : Henry, Richard S., Auteur ; Aaleti, Sriram, Auteur ; Sritharan, Sri, Auteur Article en page(s) : pp. 220-229 Note générale : Mécanique appliquée Langues : Anglais (eng) Mots-clés : Connections Finite elemnet method Precast concrete Steel Shear walls. Résumé : Self-centering precast concrete walls have been found to provide excellent seismic resistance. Such systems typically exhibit low energy dissipation, requiring supplementary dissipating components to improve their seismic performance. Mild steel shear connectors can provide an economical energy dissipating element. The design and analysis of steel shear connectors for a new precast wall system has been undertaken. A series of finite-element analyses were conducted to investigate the behavior of different types of connectors. Emerged from these analyses is a oval-shaped connector (O-connector) that provided satisfactory force-displacement behavior and appeared well suited for the new wall system in high seismic regions. An extensive experimental test program was then conducted to verify the performance of the chosen O-connector, which confirmed the expected response with sufficient energy dissipation. The experimental data demonstrated good correlation with the finite-element model developed, providing satisfactory confidence in the finite-element technique used for the development of the different connectors. DEWEY : 620.1 ISSN : 0733-9399 En ligne : http://ascelibrary.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JENMDT000 [...] [article] Concept and finite-element modeling of new steel shear connectors for self-centering wall systems [texte imprimé] / Henry, Richard S., Auteur ; Aaleti, Sriram, Auteur ; Sritharan, Sri, Auteur . - pp. 220-229. Mécanique appliquée Langues : Anglais (eng) in Journal of engineering mechanics > Vol. 136 N° 2 (Fevrier 2010) . - pp. 220-229 Mots-clés : Connections Finite elemnet method Precast concrete Steel Shear walls. Résumé : Self-centering precast concrete walls have been found to provide excellent seismic resistance. Such systems typically exhibit low energy dissipation, requiring supplementary dissipating components to improve their seismic performance. Mild steel shear connectors can provide an economical energy dissipating element. The design and analysis of steel shear connectors for a new precast wall system has been undertaken. A series of finite-element analyses were conducted to investigate the behavior of different types of connectors. Emerged from these analyses is a oval-shaped connector (O-connector) that provided satisfactory force-displacement behavior and appeared well suited for the new wall system in high seismic regions. An extensive experimental test program was then conducted to verify the performance of the chosen O-connector, which confirmed the expected response with sufficient energy dissipation. The experimental data demonstrated good correlation with the finite-element model developed, providing satisfactory confidence in the finite-element technique used for the development of the different connectors. DEWEY : 620.1 ISSN : 0733-9399 En ligne : http://ascelibrary.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JENMDT000 [...]

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