Wood Trusses and Other Manufactured Structural Components

by F. J. Keenan, Morrison Hershfield Ltd Consulting, Engineers, Timber Engineering &, Wood Technology Services, Toronto, Canada,
S. K. Suddarth, Morrison Hershfield Ltd Consulting, Engineers, Timber Engineering &, Wood Technology Services, Toronto, Canada,
S. A. Nelson, Morrison Hershfield Ltd Consulting, Engineers, Timber Engineering &, Wood Technology Services, Toronto, Canada,



Document Type: Proceeding Paper

Part of: Structural Wood Research: State-of-the-Art and Research Needs

Abstract:

Roof trusses, floor trusses, wood I and box beams, and glued-laminated timber are discussed. Some of the major recommendations for future research include improved analytical techniques for roof and floor trusses, as well as an improved understanding of their behavior through physical testing of heel joints, compression members, and new structural composites. For trusses and for I beams, their long term response to applied loads and variable environments has also been identified as being of high priority. For glued-laminated timber, research is needed on alternative species, improved provision of tension lamination material, time-related behavior, and quality control procedures for end joints. Several other projects of high priority are identified in the paper.

Subject Headings: Laminated materials | Wood beams | Trusses | Wood floors | Material properties | Wood construction | Structural behavior

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