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Analysis of shear wallsfor multi-storey timber buildings
Linnéuniversitetet, Institutionen för teknik, TEK.
2011 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This doctoral thesis addresses questions of how wind loads acting on multistoreytimber buildings can be dealt with by structural design of such buildings.The conventional use of sheathing either nailed or screwed to a timberframework is considered, together with other stabilizing structures such ascross-laminated timber panels.The finite element method was employed in simulating the structuralbehaviour of stabilizing wall units. A series of studies was carried out of walls inwhich the sheathing was nailed to a timber frame. Different structural levelswere studied starting with modelling the performance of single sheathing-toframingconnections, to the use of models for studying the overall structuralbehaviour of walls. The results of calculations using models for simulation ofwalls subjected to different loading agree reasonably well with experimentalresults. The structural properties of the connections between the sheathing andthe frame, as well as of the connections between the members of the frame,were shown to have a substantial effect on the simulated behaviour of shearwall units. Both these types of connections were studied and described inappended papers.Regarding cross-laminated timber wall panels, it was concluded that walls witha high level of both stiffness and strength can be produced by the use of suchpanels, and also that the connections between the solid wall panels can bedesigned in such a way that the shear forces involved are transmitted from onepanel to the next in an efficient manner.Other topics in the thesis include the properties of connections between shearwalls and the rest of the building. Typically high tension forces occur at specificpoints in a timber structure. These forces need to be transmitted downwards inthe structure, ultimately connecting them to the substrate. A lap-joint that maybe used for this purpose has been studied using generalized Volkersen theory.Finally the maximum capacity of a conventional rail to substrate connection hasbeen examined using linear and nonlinear fracture mechanics.

Place, publisher, year, edition, pages
Växjö, Kalmar: Linnaeus University Press , 2011.
Keywords [en]
multi-storey structures, timber engineering, wind stabilization, shear walls, cross-laminated timber wall panels, fasteners, sheathing-to-framing connections
National Category
Building Technologies
Research subject
Technology (byts ev till Engineering), Civil engineering
Identifiers
URN: urn:nbn:se:kau:diva-74393ISBN: 978-91-86491-73-4 (print)OAI: oai:DiVA.org:kau-74393DiVA, id: diva2:1343479
Public defence
2011-05-06, M1083, Hus M, Lückligs Plats 1, 10:00 (English)
Opponent
Supervisors
Available from: 2019-08-19 Created: 2019-08-16 Last updated: 2019-08-19Bibliographically approved

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