DEMONSTRATION OF ACOUSTICAL SURVEY SYSTEM. WASHINGTON METRO AREA TRANSIT AUTHORITY

This report reviews the techniques and results of the demonstration of the Holosonics Acoustical Survey System in a tunnel of the Washington Metro Area Transit Authority subway system. Acoustical data from a small sampling--a drill hole--was related to the actual conditions of the large volume of rock to detect geological and man-made anomalies. This report also discussed the computer equipment, systems applications and data processing methods involved in the acoustical probe.

  • Corporate Authors:

    Massachusetts Institute of Technology

    Department of Civil Engineering, 77 Massachusetts Avenue
    Cambridge, MA  USA  02139

    National Science Foundation

    1800 G Street, NW
    Washington, DC  USA  20550
  • Authors:
    • Price, T O
  • Publication Date: 1975-6

Media Info

  • Pagination: 65 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00094292
  • Record Type: Publication
  • Source Agency: National Technical Information Service
  • Report/Paper Numbers: Final Rpt., NSF/RA/T-75/038
  • Contract Numbers: NSF-GI-41356
  • Files: TRIS
  • Created Date: Mar 29 1981 12:00AM