DEFLECTION MEASURING APPARATUS OF PAVED ROAD SURFACE, AND DEFLECTION MEASURING METHOD OF PAVED ROAD SURFACE

摘要

PROBLEM TO BE SOLVED: To provide a deflection measuring apparatus of a paved road surface and a deflection measuring method of the paved road surface for accurately grasping the state of the paved road surface.SOLUTION: A first displacement measuring unit 20 measures the displacement of a road surface 6 when a load is charged, a second displacement measuring unit 30 measures the displacement of the road surface 6 when no load is charged, and the deflection amount of the road surface 6 is calculated on the basis of the difference between the measured values by the first displacement measuring unit 20 and second displacement measuring unit 30. First correcting means calculates an actual load acting on the road surface 6 on the basis of the strain of a leaf spring of a vehicle, and multiplies the deflection amount of the road surface 6 by a numerical value obtained by dividing a reference load by the actual load, thereby calculating the deflection amount after the correction.SELECTED DRAWING: Figure 1