Infrasense Performs Falling Weight Deflectometer (FWD) and Ground Penetrating Radar (GPR) Pavement Structure Evaluations in Central New Jersey
Summary
Ground penetrating radar (GPR) and falling weight deflectometer (FWD) testing data were collected in accordance with applicable ASTM standards, and were utilized to calculate pavement layer thicknesses, pavement layer moduli, effective Structural Number, and load transfer efficiency (LTE). TRENTON, N.J., Dec. 11, 2024 /PRNewswire-PRWeb/ -- Infrasense was tasked with determining the pavement structural properties of 6 sections of state highways and associated ramps in New Jersey. Lines of data were collected along the wheel paths of all prescribed lanes and shoulders, at a rate of 2 scans per foot of travel. A Dynatest (https://dynatest.com/) Model 8002 FWD system was employed, equipped with 9 deflection sensors, an integrated distance encoder, as well as a GPS unit for location referencing. For full-depth asphalt sections, the FWD test was carried out at a fixed interval of 0.1 miles along select travel lanes.
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