In an effort to find a mechanical profiler that would have the greatest potential in controlling bridge deck rideability, 3 devices were evaluated. It was found that the Bridge Profilograph, a 12 foot rolling straightedge with chart recorder was the most efficient. This device gives relative profiles of deck surfaces that are sufficient for contact control of deck roughness. The other devices investigated included the laser beam profiler (did not adequately reveal small amplitude bumps) and the California (a 25 foot rolling straightedge with an articulated wheel system) was ruled out becouse of its size. Eight bridge decks were studied to compare the 12 foot profilograph with the aluminum straightedge. The problems encountered with the 12-foot profilograph are listed. A method was developed to evaluate the profilograms made with the 12 foot Bridge Profilograph. Comments are made on controlling deck smothness and corrective grinding.

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Filing Info

  • Accession Number: 00132908
  • Record Type: Publication
  • Files: TRIS
  • Created Date: Jun 5 1976 12:00AM