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SONISCOPE APPLIED TO MAINTENANCE OF CONCRETE STRUCTURES

THE SONISCOPE IS AN ELECTRONIC DEVICE FOR THE NONDESTRUCTIVE TESTING OF MATERIALS. THE INSTRUMENT MEASURES THE TIME DELAY OF A SHOCK WAVE SENT THROUGH THE MATERIAL, FROM WHICH THE VELOCITY OF PROPAGATION OF SOUND WAVES CAN BE COMPUTED. THIS VELOCITY REPRESENTS A MEASURE OF THE QUALITY OF THE MATERIAL. TESTING TECHNIQUES FOR VARIOUS TYPES OF STRUCTURES ARE DISCUSSED. TESTS ON PRESTRESSED-CONCRETE BEAMS LOADED TO FAILURE SHOW A CLOSE CORRELATION OF SONISCOPE READINGS WITH THE BEHAVIOR OF THE BEAM. THE INFLUENCE OF REINFORCING STEEL IS SHOWN BY TESTS ON A REINFORCED BRIDGE PIER. THE DETECTION OF CRACKS AND DETERIORATION IN CONCRETE ARE BOTH DEMONSTRATED BY TESTS OF SEVERAL BRIDGE MEMBERS. A GRAPHICAL PRESENTATION OF SONISCOPE RESULTS ON A BRIDGE PIER IS THEN DISCUSSED. THE RESULTS OF THESE TESTS INDICATE THAT THE SONISCOPE CAN BE A VALUABLE SUPPLEMENT TO VISUAL INSPECTION. /AUTHOR/

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  • Supplemental Notes:
    • Vol 33, pp 210-216, 7 FIG, 7 REF. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved.
  • Authors:
    • Breuning, S M
    • BONE, A J
  • Publication Date: 1954

Media Info

  • Media Type: Digital/other
  • Monograph Title: Proceedings of the Thirty-Third Annual Meeting of the Highway Research Board, Washington, D.C., January 12-15, 1954
  • Serial:

Subject/Index Terms

Filing Info

  • Accession Number: 00218782
  • Record Type: Publication
  • Files: TRIS, TRB
  • Created Date: May 22 1972 12:00AM