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The National Academies

NCHRP 20-07/Task 245 [Completed]

Updating AASHTO Design and Construction Specifications ffor Temporary Works used in Bridge Construction
[ NCHRP 20-07 (Research for AASHTO Standing Committee on Highways) ]

  Project Data
Funds: $50,000
Research Agency: Wiss, Janney, Elstner & Associates
Principal Investigator: John F. Duntemann
Effective Date: 4/14/2008
Completion Date: 7/1/2009
Comments: The final report has been provided to AASHTO.

Guidance on bridge construction practices for temporary works is available in a number of AASHTO publications, such as Construction Handbook for Bridge Temporary Works (1995); the Guide Design Specifications for Bridge Temporary Works (1995), and the AASHTO LRFD Bridge Construction Specifications, 2nd edition, 2007 Chapter 3 - Temporary Works. 
There is a need for these documents to be updated to reflect present practices including the LRFD design methodology. Because of the extent of the revisions it is envisioned this work will be done in multiple phases. 
 
The objectives of this phase of the study were to develop recommendations for updates to the Guide Design Specifications for Bridge Temporary Works, the Construction Handbook for Bridge Temporary Works, and the ‘temporary works’ section of the AASHTO LRFD Bridge Construction Specifications. 

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