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Publication Information

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Title: Extending service life of timber bridges with preservatives

Author: Wacker, James P.; Crawford, Douglas M.;

Date: 2003

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

Description: Treated 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.

Keywords: Building materials, service life, wooden bridges, preservation, wood preservatives, wood deterioration, deterioration, United States, decay, durability

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

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Wacker, 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.

 


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