Apparatus and a method for rolling weight deflection measurement
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United States of America Patent
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Nov 22, 2022
Grant Date -
Jul 9, 2020
app pub date -
Jun 22, 2017
filing date -
Jun 22, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus and a method for rolling weight deflection measurement comprising a rolling wheel to be moved along a measuring surface in a first direction. The apparatus comprises a number of spaced apart range sensors arranged on at least one carrier and configured to measure a distance to said measuring surface at pavement locations passed by the apparatus. A first of said range sensors is arranged at a predetermined location with respect to said rolling wheel, and the remainder of the range sensors are arranged in spaced apart manner in line with said first range sensor in the in first direction. At least one inclination sensor is configured to measure at least a change in inclination of said at least one carrier, a curvature parameter value for said measuring surface is calculated using measurements from said range sensors and said inclination sensor.
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