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Extending service life of timber bridges with preservativesAuthor(s): James P. Wacker; Douglas M. Crawford
Source: Proceedings of the 19th U.S.-Japan Bridge Engineering Workshop : UJNR Panel on Wind and Seismic Effects : Tsukuba, Japan, October 27-30, 2003. Tsukuba-shi, Ibaraki-Ken, Japan : Public Works Research Institute, 2003. Technical memorandum (PWRI) ; no. 3902: pages 77-85.
Publication Series: Miscellaneous Publication
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DescriptionTreated timber bridges have been widely used for railroad and highway bridges throughout the United States during the 20th century. However, improvements in preservative technology are needed as a result of changing environmental views and public perceptions concerning the use of preservative treated wood in aquatic environments. Within the past 15 years, three national programs have been established to advance technologies related to timber transportation structures. A key design aspect for timber highway bridges is the selection of preservative treatment to improve durability while minimizing potential environmental impacts. This paper summarizes timber bridge preservation technology in the United States, including pressure treatment preservatives, field treatments, and remedial techniques.
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CitationWacker, James P.; Crawford, Douglas M. 2003. Extending service life of timber bridges with preservatives. Proceedings of the 19th U.S.-Japan Bridge Engineering Workshop : UJNR Panel on Wind and Seismic Effects : Tsukuba, Japan, October 27-30, 2003. Tsukuba-shi, Ibaraki-Ken, Japan : Public Works Research Institute, 2003. Technical memorandum (PWRI) ; no. 3902: pages 77-85.
KeywordsBuilding materials, service life, wooden bridges, preservation, wood preservatives, wood deterioration, deterioration, United States, decay, durability
- Recent trends in preservative treatments for timber bridges
- Durability and Wood Protection for Historic Covered Bridges in the United States
- Preservation treatment for wood bridge application
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