Application of Automatic Deflection Survey Vehicle on Yusan Pavement

This text elaborate the status of deflection inspection and introduce the meaning of deflection and measurement method of deflection value and comparatively analyze the working principles,application scopes and characteristics of Benkelman beam,automatic deflection and falling weight deflection in order to promote the development of this technology in highway works.At the same time,author prove the automatic deflection survey vehicle playing an important role and combine instance of Yusan pavement with some field experience and method on data treatment.