Development and Use of Stress Laminated Timber Deck Bridgesby Michael G. Oliva, Univ of Wisconsin, Madison, WI, USA,
Al G. Dimakis, Univ of Wisconsin, Madison, WI, USA,
Michael Ritter, Univ of Wisconsin, Madison, WI, USA,
Abstract: This presentation provides a brief overview of the concepts, development, research needs, economics and recent use of stress laminated timber bridge decks. Repeated articles on the serious condition of the 'infrastructure' have made the country aware of the tremendous need for replacement of bridge structures. The timber stress laminated deck bridge has been frequently referred to as an excellent solution for the bridge replacement needs. The desirable qualities and drawbacks of stress-lam decks are discussed in relation to bridge needs. The available design approaches are mentioned with current research aimed at improving design techniques. Recent bridges in the U. S. using stress-lam decks and their construction procedures are described and illustrated.
Subject Headings: Bridge decks | Wood bridges | Infrastructure construction | Laminated materials | Wood | Highway bridges | Bridge design | Research and development
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