Evaluation Of Wood Species And Preservatives For Use In Wisconsin Highway Sign Posts
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Author |
: Forest Products Laboratory |
Publisher |
: CreateSpace |
Total Pages |
: 50 |
Release |
: 2015-06-26 |
ISBN-10 |
: 1508557969 |
ISBN-13 |
: 9781508557968 |
Rating |
: 4/5 (69 Downloads) |
Synopsis Evaluation of Wood Species and Preservatives for Use in Wisconsin Highway Sign Posts by : Forest Products Laboratory
The Wisconsin Department of Transportation (WisDOT) administers approximately 11,800 miles (18,990 km) of state highways (WisDOT 2014). WisDOT uses preservative-treated wood posts for much of the signage along these highways because wood is relatively inexpensive, easy to install, and has the necessary strength properties to tolerate typical Wisconsin wind loads. Although WisDOT's experi-ence with wood sign posts has been generally positive, there are some areas of concern, as well as potential opportunities for diversifying the wood species and preservatives used. WisDOT and the USDA Forest Products Laboratory con-ducted a comprehensive literature review to examine those concerns and opportunities.
Author |
: Stan T. Lebow |
Publisher |
: |
Total Pages |
: 45 |
Release |
: 2014 |
ISBN-10 |
: OCLC:908163282 |
ISBN-13 |
: |
Rating |
: 4/5 (82 Downloads) |
Synopsis Evaluation of Wood Species and Preservatives for Use in Wisconsin Highway Sign Posts by : Stan T. Lebow
The Wisconsin Department of Transportation (WisDOT) uses wooden posts to support many types of signs along state highways. WisDOT currently uses red pine or Southern Pine posts treated with chromated copper arsenate (CCA) and has generally experienced satisfactory performance and service life. However, there are some areas of concern, as well as potential opportunities for diversifying the wood species and preservatives used. Warp is sometimes a problem with the current pine posts, and increased use of locally sourced wood species for the sign posts could decrease transportation costs and potentially benefit Wisconsin industries. Although CCA is a highly effective preservative, it may not be the optimum treatment for alternative wood species. This study reviewed the characteristics of alternative wood species and wood preservatives and evaluated their potential for use in Wisconsin highway sign posts. The evaluation concluded that WisDOT's current practice of using red pine or Southern Pine posts treated with CCA is logical and may be the optimum combination of wood species and preservatives currently available. Red pine and Southern Pine are readily available and relatively strong compared with many other softwood species. Red pine is also an important commercial resource for Wisconsin and the upper Midwest. Other Wisconsin species to consider include eastern white pine and soft maples. However, strength may be a concern with eastern white pine, whereas cost may be a concern with soft maples. CCA is an effective preservative, readily treats red pine and Southern Pine, and is compatible with aluminum signs. Copper naphthenate in oil solvent appears to be one of the most logical alternatives to CCA, and would be a strong candidate for treatment of hardwoods. Copper naphthenate is non-corrosive to aluminum and would avoid warp associated with re-drying after treatment with water-based preservatives. WisDOT may want to consider purchasing a small volume of copper naphthenate-treated posts to evaluate the handling characteristics of this oil-based preservative.
Author |
: |
Publisher |
: |
Total Pages |
: 88 |
Release |
: 2013 |
ISBN-10 |
: WISC:89114892672 |
ISBN-13 |
: |
Rating |
: 4/5 (72 Downloads) |
Synopsis Evaluation of Wood Species and Preservatives for WisDOT Sign Posts by :
Author |
: |
Publisher |
: |
Total Pages |
: 16 |
Release |
: 2013 |
ISBN-10 |
: WISC:89114893142 |
ISBN-13 |
: |
Rating |
: 4/5 (42 Downloads) |
Synopsis WisDOT Research Program by :
Author |
: Fred Werren |
Publisher |
: |
Total Pages |
: 752 |
Release |
: 1961 |
ISBN-10 |
: STANFORD:36105211191734 |
ISBN-13 |
: |
Rating |
: 4/5 (34 Downloads) |
Synopsis Evaluation of the Stiffness of a Roof System Made of Glued-laminated Beams and Heavy Timber Decking by : Fred Werren
Author |
: Stan T. Lebow |
Publisher |
: |
Total Pages |
: 8 |
Release |
: 2002 |
ISBN-10 |
: MINN:31951D02257723S |
ISBN-13 |
: |
Rating |
: 4/5 (3S Downloads) |
Synopsis Assessment of the Treatability of Small-diameter Grand Fir Posts by : Stan T. Lebow
Author |
: |
Publisher |
: |
Total Pages |
: 16 |
Release |
: 1998 |
ISBN-10 |
: MINN:31951D02988653N |
ISBN-13 |
: |
Rating |
: 4/5 (3N Downloads) |
Synopsis Forest Products Laboratory Research Program on Small-diameter Material by :
Forests in the United States contain a significant amount of small-diameter and underutilized material. These overstocked stands not only increase the risk of insect, disease, fire, and drought damage, but also are costly to remove. Finding economical and marketable uses for small-diameter and underutilized material would alleviate these problems while improving watershed health and providing economic opportunities for local communities to help offset forest management costs. An extensive research program at the Forest Products Laboratory of the USDA Forest Service is focused on searching for economical and marketable uses for small-diameter material. The projects described in this report range from conserving timber through improving sawing technology to developing businesses for using small-diameter material.
Author |
: Dorothy A. Paun |
Publisher |
: |
Total Pages |
: 32 |
Release |
: 2000 |
ISBN-10 |
: MINN:31951D02988666E |
ISBN-13 |
: |
Rating |
: 4/5 (6E Downloads) |
Synopsis Potential for Expanding Small-diameter Timber Market by : Dorothy A. Paun
Author |
: |
Publisher |
: |
Total Pages |
: 156 |
Release |
: 2001 |
ISBN-10 |
: UCBK:C083227807 |
ISBN-13 |
: |
Rating |
: 4/5 (07 Downloads) |
Synopsis Research Note FPL. by :
Author |
: |
Publisher |
: |
Total Pages |
: 532 |
Release |
: 1975 |
ISBN-10 |
: UOM:39015011861773 |
ISBN-13 |
: |
Rating |
: 4/5 (73 Downloads) |
Synopsis NBS Special Publication by :