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Transcript of Bader Ence710
7/29/2019 Bader Ence710
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Steel Bridge DefectsSteel Bridge Defects
Photo courtesy of Greenhorne & O’Mara, Inc.
Steel Bridge DefectsSteel Bridge Defects
Photo courtesy of Greenhorne & O’Mara, Inc.
Steel Bridge DefectsSteel Bridge Defects
Photo courtesy of Greenhorne & O’Mara, Inc.
NDE Validation CenterNDE Validation Center
Established by FHWA in 1998.Established by FHWA in 1998.
Provides State highway agencies withProvides State highway agencies with
independent evaluation and validation ofindependent evaluation and validation of
NDE technologies.NDE technologies.
Develops new NDE technologies.Develops new NDE technologies.
Provides technical assistance to StatesProvides technical assistance to States
exploring the use of these advancedexploring the use of these advanced
technologies.technologies.
http://www.tfhrc.gov/hnr20/nde/home.htm
NDE Validation CenterNDE Validation Center
Located at TurnerLocated at Turner--FairbankFairbank HighwayHighway
Research Center in McLean, VA.Research Center in McLean, VA.
Supplements laboratory results with testSupplements laboratory results with test
bridges in Northern VA and Southern PAbridges in Northern VA and Southern PA
for field studies.for field studies.
Collects component specimens (weldedCollects component specimens (welded
members, pin/hanger assemblies, builtmembers, pin/hanger assemblies, built--upup
members) for test validationmembers) for test validation
http://www.tfhrc.gov/hnr20/nde/home.htm
NDE MethodsNDE Methods
Visual InspectionVisual Inspection
Eddy Current MethodEddy Current Method
Radiographic TestingRadiographic Testing
Ultrasonic TestingUltrasonic Testing Manual and AutomatedManual and Automated
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