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The National Academies

NCHRP Synthesis 20-05/Topic 46-09 [Final (Synthesis)]

Extending Bridge Service Life through Field Welded Repair and Retrofits
[ NCHRP 20-05 (Synthesis of Information Related to Highway Practices) ]

  Project Data
Funds: $40,000
Authorization to Begin Work: 9/17/2014 -- estimated
Staff Responsibility: Jo Allen Gause
Research Agency: Fish and Associates Inc.
Principal Investigator: Philip Fish
Completion Date: 3/15/2016
Fiscal Year: 2014

TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 489: Extending Bridge Service Like Through Field Welded Repairs and Retrofits documents practices associated with field welded repairs on existing steel bridges used by bridge owners. The information presented includes the extent to which field welding is performed on existing bridges, common types of field welded repairs and retrofits, specifications, and quality control practices.

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