timber bridges – update 2018€¦ · timber bridges – update 2018 sheila rimal duwadi, p.e....
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![Page 1: Timber Bridges – Update 2018€¦ · Timber Bridges – Update 2018 Sheila Rimal Duwadi, P.E. Senior Research Engineer. Turner-Fairbank Highway Research Center, Federal Highway](https://reader034.vdocument.in/reader034/viewer/2022043003/5f83294419837b49295a077d/html5/thumbnails/1.jpg)
TURNER-FAIRBANK HIGHWAY RESEARCH CENTER
U.S. Department of Transportation
Federal Highway Administration
Timber Bridges – Update 2018
Sheila Rimal Duwadi, P.E.Senior Research Engineer
Turner-Fairbank Highway Research Center,Federal Highway Administration
![Page 2: Timber Bridges – Update 2018€¦ · Timber Bridges – Update 2018 Sheila Rimal Duwadi, P.E. Senior Research Engineer. Turner-Fairbank Highway Research Center, Federal Highway](https://reader034.vdocument.in/reader034/viewer/2022043003/5f83294419837b49295a077d/html5/thumbnails/2.jpg)
TURNER-FAIRBANK HIGHWAY RESEARCH CENTER
U.S. Department of Transportation
Federal Highway Administration
U.S. Department of Transportation
Federal Highway Administration
• National Historic Covered Bridge Preservation• Timber Bridges
![Page 3: Timber Bridges – Update 2018€¦ · Timber Bridges – Update 2018 Sheila Rimal Duwadi, P.E. Senior Research Engineer. Turner-Fairbank Highway Research Center, Federal Highway](https://reader034.vdocument.in/reader034/viewer/2022043003/5f83294419837b49295a077d/html5/thumbnails/3.jpg)
TURNER-FAIRBANK HIGHWAY RESEARCH CENTER
U.S. Department of Transportation
Federal Highway Administration
U.S. Department of Transportation
Federal Highway Administration
NHCBP Program Research, Education & Technology Transfer
• Started under TEA21 and continued under SAFETEA-LU
• Funds available from 2000 until 2012• Status
– Most studies are complete – Few ongoing
• www.woodcenter.org• http://www.loc.gov/pictures/collection/hh
![Page 4: Timber Bridges – Update 2018€¦ · Timber Bridges – Update 2018 Sheila Rimal Duwadi, P.E. Senior Research Engineer. Turner-Fairbank Highway Research Center, Federal Highway](https://reader034.vdocument.in/reader034/viewer/2022043003/5f83294419837b49295a077d/html5/thumbnails/4.jpg)
TURNER-FAIRBANK HIGHWAY RESEARCH CENTER
U.S. Department of Transportation
Federal Highway Administration
U.S. Department of Transportation
Federal Highway Administration
Completed Publications • A large number of publications
available• www.woodcenter.org• http://www.loc.gov/pictures/collec
tion/hh
![Page 5: Timber Bridges – Update 2018€¦ · Timber Bridges – Update 2018 Sheila Rimal Duwadi, P.E. Senior Research Engineer. Turner-Fairbank Highway Research Center, Federal Highway](https://reader034.vdocument.in/reader034/viewer/2022043003/5f83294419837b49295a077d/html5/thumbnails/5.jpg)
TURNER-FAIRBANK HIGHWAY RESEARCH CENTER
U.S. Department of Transportation
Federal Highway Administration
U.S. Department of Transportation
Federal Highway Administration
• Guidelines to Restoring Structural Integrity of Covered Bridge Members– Ronald W. Anthony, 2018. – Gen. Tech. Rep. FPL-GTR-252.
• Designed for decision makers with responsibility for repairing and maintaining existing covered bridges.
• Presents the steps necessary to identify effective rehabilitation techniques for restoring the structural integrity of covered bridge members.
New Publication
![Page 6: Timber Bridges – Update 2018€¦ · Timber Bridges – Update 2018 Sheila Rimal Duwadi, P.E. Senior Research Engineer. Turner-Fairbank Highway Research Center, Federal Highway](https://reader034.vdocument.in/reader034/viewer/2022043003/5f83294419837b49295a077d/html5/thumbnails/6.jpg)
TURNER-FAIRBANK HIGHWAY RESEARCH CENTER
U.S. Department of Transportation
Federal Highway Administration
U.S. Department of Transportation
Federal Highway Administration
Ongoing
– Covered Bridge Rating Through Load Testing – Improved Analytical Techniques for Historic Covered
Bridges – Standards for Treatment of Historic Covered Bridges
![Page 7: Timber Bridges – Update 2018€¦ · Timber Bridges – Update 2018 Sheila Rimal Duwadi, P.E. Senior Research Engineer. Turner-Fairbank Highway Research Center, Federal Highway](https://reader034.vdocument.in/reader034/viewer/2022043003/5f83294419837b49295a077d/html5/thumbnails/7.jpg)
TURNER-FAIRBANK HIGHWAY RESEARCH CENTER
U.S. Department of Transportation
Federal Highway Administration
U.S. Department of Transportation
Federal Highway Administration
Timber Bridges
• Field Performance of Timber Bridges: A National Study– Phase 1 - complete– Phase 2 - ongoing
• Visual assessment• Nondestructive evaluation• Focus on overall condition of primary structural systems
![Page 8: Timber Bridges – Update 2018€¦ · Timber Bridges – Update 2018 Sheila Rimal Duwadi, P.E. Senior Research Engineer. Turner-Fairbank Highway Research Center, Federal Highway](https://reader034.vdocument.in/reader034/viewer/2022043003/5f83294419837b49295a077d/html5/thumbnails/8.jpg)
TURNER-FAIRBANK HIGHWAY RESEARCH CENTER
U.S. Department of Transportation
Federal Highway Administration
U.S. Department of Transportation
Federal Highway Administration
Contacts
– Sheila Duwadi - [email protected] – FHWA– Michael Ritter - [email protected] – FPL– Christopher Marston - [email protected] –
NPS