| NDT Method |
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Applicable On |
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Test For |
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Freedom
Data PC |
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NDE
360 |
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Impact Echo
(IE)
 |
|
Overview |
NOTE: All of Olson's Concrete Thickness Gauge's are based on the IE principle |
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- Beams
- Bridge Decks
- Columns
- Dams
- Pavements
- Pipes
- Post-Tensioned Ducts
- Runways
- Slabs
- Tunnels
- Walls
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- Cracks
- Delaminations
- Honeycomb
- Thickness
- Voids
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Impact Echo Scanner (IES)
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Overview |
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- same as Impact Echo (IE) above
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- same as Impact Echo (IE) above
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Multiple Impact Surface Waves
(MISW)
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Overview |
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- Asphalt
- Base
- Concrete
- Rock
- Subbase
- Subgrade Soil
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- Layer Shear Moduli
- Layer Poisson’s Ratio
- Layer Thickness
- Layer Young’s (Elastic) Moduli
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Slab Impulse Response (SIR)
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Overview |
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- Concrete Slabs / Retaining Walls
- Pavements
- Pond or Pool Bottoms
- Runways
- Spillways
- Tunnel Liners
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- Delaminations in Decks
- Soft or Weak Subgrade Support
- Voids Below Slabs
- Voids Below Tunnel Linings
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Spectral Analysis of Surface Waves
(SASW-S)
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Overview |
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- Asphalt
- Concrete
- Masonry
- Stone
- Wood
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- Layer Thickness
- Material Moduli
- Shear Wave Velocity Profiles
- Velocity Calibration Only with CTG Model SASW arm add-on
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Ultrasonic Pulse Velocity (UPV)
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Overview |
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- Beams
- Bridge Decks
- Elevated Slabs
- Shaft Tops
- Walls
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- Cracks
- Delaminations
- Honeycomb
- Velocity vs. Strength Correlation with Cores
- Voids
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