A laser based deflection tester is being developed by the Swedish National Road Administration. Forty sensors are mounted on a heavy truck to determine two transverse profiles. One profile constitutes an unloaded case. The other profile just behind the rear wheels of the vehicle constitutes the loaded case. The high sampling rate is adequate for filtering the macro texture of the pavement.
Some experience using a rolling weight deflectometer on airport pavements
Nondestructive Evaluation of Aging Aircraft, Airports, Aerospace Hardware, and Materials ; 1995 ; Oakland,CA,United States
Proc. SPIE ; 2455
1995-07-07
Conference paper
Electronic Resource
English
Continuous Structural Evaluation of Airport Pavements with the Rolling Dynamic Deflectometer
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