Mistras Group
Best Practices for Utilizing Non-Destructive Testing for In-Service Bridge Inspection
Source: Construction Pros
Like an X-ray is used to see inside the human body, non-destructive testing (NDT) can be a powerful and effective means of understanding a bridge’s structural integrity without damaging the structure—and the key to achieving greater structural health, efficiency and safety on large-scale projects.

But sometimes, common NDT tools–from ultrasound and dye penetrant, to eddy current and magnetic particle testing, can be a "knee jerk" reaction—and get misapplied by those not as familiar or conversant with these tools and their purpose. When it comes to bridge safety, here’s how to know what NDT techniques to use and when.

Inspection is an effective way for project owners and decisionmakers to ensure infrastructure is built to code and to ensure greater project quality. Inspection is also mandated on federal and state levels to uncover flaws or possible problems with the structure, with a goal of identifying problems now so they can be ameliorated.

While visual inspection and examination is technically an NDT method, too often more advanced NDT tools and technology are implemented in its place. You don’t want to order NDT tools for something that should be a visual inspection; when you need enhancement to your visuals, these tools become valuable, but a wholesale employment of NDT is not appropriate.

Read the full article at ForConstructionPros.com.

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American Institute of Nondestructive Testing
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Western Instruments
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AUT Solutions
Eddyfi Technologies
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meditinc.com borescopes
Evident NDT
IUOE Local 112 NDT Inspector Union
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