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Analysis of fully anchored light-frame timber shear walls: elastic model
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för tillämpad fysik och elektronik.
2009 (Engelska)Ingår i: Materials and Structures, ISSN 1359-5997, E-ISSN 1871-6873, Vol. 42, nr 3, s. 301-320Artikel i tidskrift (Refereegranskat) Published
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Abstract [en]

In order to stabilize light-framed timber buildings against lateral loads, the diaphragm action of roofs, floors and walls is often used. This paper deals with an elastic analysis model for fully anchored sheathed wood frame shear walls. The model is based on the assumption of a linear elastic load-slip relation for the sheathing-to-framing joints. Only static loads are considered. The basic structural behaviour and assumptions for the elastic model are elucidated. Formulas for the load-bearing capacity and the deformation of the shear walls in the ultimate and serviceability limit states, respectively, are derived. Both a discrete point description and a continuous flow per unit length modelling of the fasteners are discussed. Also, the forces and displacements of the fasteners and sheathing are derived. The effect of different patterns and spacing of the fasteners on the capacity and displacement of the wall is illustrated. The influence of flexible framing members and shear deformations in the sheets, and also the effect of vertical loads on the shear wall, both with respect to tilting and second order effects, on the horizontal load-bearing capacity and displacement are evaluated. The stress distribution and the reaction forces at the ends of the different framing members are derived. The elastic model is experimentally verified and an illustrative example is given.

Ort, förlag, år, upplaga, sidor
Springer Netherlands, 2009. Vol. 42, nr 3, s. 301-320
Nyckelord [en]
Shear walls, Wall diaphragms, Elastic model, Full anchorage, Racking load capacity, Wall displacement, Fastener displacement
Nationell ämneskategori
Husbyggnad Materialteknik
Identifikatorer
URN: urn:nbn:se:umu:diva-116014DOI: 10.1617/s11527-008-9463-xISI: 000264103200002OAI: oai:DiVA.org:umu-116014DiVA, id: diva2:905439
Tillgänglig från: 2016-02-22 Skapad: 2016-02-08 Senast uppdaterad: 2018-06-07Bibliografiskt granskad

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Girhammar, Ulf Arne

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Materials and Structures
HusbyggnadMaterialteknik

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