SENSITIVE PROFILOMETER EATS UP THE ROAD

The article describes a high-speed profilometer, developed by the Transport and Road Research Laboratory, for use on either new or existing roads. The profilometer and towing vehicle are designed to provide a self-contained system for the measurement and analysis of longitudinal road profiles at speeds of up to 80 kph. Data are obtained from four laser displacement transducers mounted on a 4.2 M rigid beam. A computer calculates average profile height over 107 mm sections every 107 mm. The profiles, once measured, are recorded onto a magnetic disc for subsequent analysis. An alternative program enables the sensor outputs to measure road surface texture. (TRRL)

• Corporate Authors:

  IPC Building and Contract Journals Limited

  Surrey House, 1 Throwley Way
  Sutton, Surrey SM1 4QQ,   England 
• Publication Date: 1979-8-9

Media Info

• Features: Figures; Photos;
• Pagination: p. 21
• Serial:
  • Surveyor - Public Authority Technology
  • Volume: 154
  • Issue Number: 4548
  • Publisher: IPC Building and Contract Journals Limited

Subject/Index Terms

• TRT Terms: Calculation; Data collection; Digital computers; Dislocation (Geology); Equipment; Height; Information processing; Instrumented vehicles; Lasers; Mathematical analysis; Measurement; Measuring instruments; Pavements; Profilometers; Roads; Roughness; Speed; Surface course (Pavements); Texture; Transducers
• Uncontrolled Terms: Longitudinal profile; Road profile
• ITRD Terms: 6471: Analysis (math); 6464: Calculation; 8673: Digital computer; 3674: Equipment; 6489: Height; 6772: Laser; 2825: Longitudinal profile; 6136: Measurement; 6103: Profilometer; 5408: Speed; 3053: Surface texture
• Subject Areas: Highways; Pavements; I23: Properties of Road Surfaces;

Filing Info

• Accession Number: 00310587
• Record Type: Publication
• Source Agency: Transport Research Laboratory
• Files: ITRD, TRIS
• Created Date: Jul 22 1980 12:00AM