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Experimental evaluation of load paths in light-frame wood structure / G. Doudak in Journal of structural engineering, Vol. 138 N° 2 (Fevrier 2012) 

Public ISBD [article]  in Journal of structural engineering > Vol. 138 N° 2 (Fevrier 2012) . - pp. 258-265 Titre : Experimental evaluation of load paths in light-frame wood structure Type de document : texte imprimé Auteurs : G. Doudak, Auteur ; G. McClure, Auteur ; I. Smith, Auteur Année de publication : 2012 Article en page(s) : pp. 258-265 Note générale : Génie Civil Langues : Anglais (eng) Mots-clés : Full-scale  testing  Light-frame  construction  Load  cells  Load  paths  Monitoring  Wood Résumé : Despite much experience that low-rise wood buildings are vulnerable to damage by extreme wind events, few such structures have been tested in fullsize to understand how they respond to wind loads as a whole system. This paper presents a study that measured internal force flows throughout the framing of a typical North American single-story structure with platform construction. Applied forces were concentrated horizontal loads normal to walls and patches of gravity loads on the sloped roof. Two series of load cells were embedded into the system, between the roof trusses and supporting walls and between the floor platform and the foundation. It was observed that even localized external forces have effects that propagate through the entire system. For instance, horizontal loads applied near eave level or to the roof were reacted at the top of the foundation around the entire wall perimeter of the building footprint, both parallel and transverse to the applied loading. For vertical loads, measurements showed that systemic effects dominate the response. Observed three-dimensional behavior stems from the relatively stiff interconnection of roof, wall, and floor platform substructures. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v138/i2/p258_s1?isAuthorized=no [article] Experimental evaluation of load paths in light-frame wood structure [texte imprimé] / G. Doudak, Auteur ; G. McClure, Auteur ; I. Smith, Auteur . - 2012 . - pp. 258-265. Génie Civil Langues : Anglais (eng) in Journal of structural engineering > Vol. 138 N° 2 (Fevrier 2012) . - pp. 258-265 Mots-clés : Full-scale  testing  Light-frame  construction  Load  cells  Load  paths  Monitoring  Wood Résumé : Despite much experience that low-rise wood buildings are vulnerable to damage by extreme wind events, few such structures have been tested in fullsize to understand how they respond to wind loads as a whole system. This paper presents a study that measured internal force flows throughout the framing of a typical North American single-story structure with platform construction. Applied forces were concentrated horizontal loads normal to walls and patches of gravity loads on the sloped roof. Two series of load cells were embedded into the system, between the roof trusses and supporting walls and between the floor platform and the foundation. It was observed that even localized external forces have effects that propagate through the entire system. For instance, horizontal loads applied near eave level or to the roof were reacted at the top of the foundation around the entire wall perimeter of the building footprint, both parallel and transverse to the applied loading. For vertical loads, measurements showed that systemic effects dominate the response. Observed three-dimensional behavior stems from the relatively stiff interconnection of roof, wall, and floor platform substructures. DEWEY : 624.17 ISSN : 0733-9445 En ligne : http://ascelibrary.org/sto/resource/1/jsendh/v138/i2/p258_s1?isAuthorized=no