AXLE LOAD MEASUREMENT DEVICE AND AXLE LOAD MEASUREMENT METHOD

摘要

This axle load measurement device (200) comprises a displacement calculation unit (250), a storage unit (255), and an axle load calculation unit (270). The displacement calculation unit (250) uses a captured image in which a travel path (130) and a vehicle (120) on the same have been captured to detect axle-load-induced displacements at a plurality of positions on the travel path (130). The storage unit (255) stores a displacement function representing shape information for the spatial distribution of the displacement of the travel path (130) with a prescribed position on the travel path (130) as the origin when a specific weight is applied to the prescribed position. The axle load calculation unit (270) calculates the axle load on the basis of the displacements at the plurality of positions and the displacement function.