Description
The Fast FWD (Fast Falling Weight Deflectometer) is 5 times faster per drop than the original FWD and as with the FWD (Falling Weight Deflectometer) is designed to impart a load pulse to the pavement surface simulating the load produced by a moving vehicle.
The load pulse is measured by a load cell with a resolution of 0.1 kPa, and the pavement response is recorded by up to 15 deflection sensors with a resolution of 0.1μm.
1. 5 times faster per drop than the FWD
2. No hydraulics
3. Same sensor setup and user interface as with the FWD
4. Passes AASHTO R 32 and the UK Correlation trial
5. 75% more test points per hour or 45% less traffic exposure
6. Lower maintenance cost
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