FWD and HWD

To replace Benkelman Beam CNR N.141 / AASHTO T256-77.

FWD Falling Weight Deflectometer to go faster than a simple Benkelman beam.

The bearing capacity is measured at different times of measurement using the Falling Weight Deflectometer (FWD) and calculating deflection to deflection testing. Falling Weight Deflectometer is an ndt technique to do pavement design.