Innovation Applications of InfraredThermography forBridge Inspection

Paul Fuchs (Fuchs Consulting, Inc.)

TFHRC

May 5, 2017

QAW: 2/14/18

New Technologies

• Not conventional infrared (IR)

• Features

– Measurements not previously possible

– Measurements for concrete / steel structures

– Improved image quality

– Easy to apply

• Extending IR

– Unique instrumentation

– Advanced processing

QAW: 2/14/18

Unique Instrumentation: Multiple Images

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Advanced Processing

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InfraredUltra-Time Domain System

IR-UTD

QAW: 2/14/18

IR-UTD Applications

• Bridge decks

• Bridge soffits

• Substructure elements

• Large concrete structures

• Buildings

• Other applications

QAW: 2/14/18

IR-UTD Concept

St. Louis, MO

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IR-UTD Advanced Processing

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InfraredCoating Inspection System

IR-CIS

QAW: 2/14/18

IR-CIS Concept

QAW: 2/14/18

IR-CIS Applications

• Field coating inspection

• Maintenance / over-coating

• Fabrication shop QA/QC

• Other non-bridge applications

QAW: 2/14/18

IR-CIS Unique Features

• Field-deployable flash thermography

– Any lighting, immediate

results

• Only tool for quantitative, repeatable, nondestructive measurements of coatings

• Commercial System

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IR-CIS Instrument: V2

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IR-CIS Instrument V3

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Example Setup

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Example Setup

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Image Details

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Example: Over-coating Defects

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Example: Weld

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Example: Borders of Defect

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IR-CIS : Military Coatings

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