EFFECT OF SPECIMEN SIZE ON VELOCITY OF ULTRASONIC TRANSMISSION THROUGH CONCRETE

SOVIET TESTS SHOW THAT, FOR ULTRASONIC TRANSMISSION THROUGH CONCRETE SPECIMENS, THERE ARE OPTIMUM (LIMITING) DIMENSIONS OF THE MEDIUM (OR WAVE GUIDE). AN INCREASE IN THE BASE LENGTH OF ULTRASONIC TRANSMISSION CAUSES A REDUCTION IN THE VELOCITY OF VIBRATION PENETRATION, BECAUSE VARIOUS OBSTACLES, COMPRISING ZONES WITH DIFFERENT ACOUSTIC RESISTANCE, OCCUR ALONG THE WAY. AN INCREASE IN THE SPECIMEN DIMENSIONS ALSO INCREASES THE TRANSVERSE ACTION OF THE WAVE-GUIDE MEDIUM, AND THIS LEADS IN TURN TO AN INCREASE IN THE PROPAGATION VELOCITY OF THE ULTRASONIC TRANSMISSION. FOR CERTAIN SPECIMEN DIMENSIONS, THE INCREASE IN PROPAGATION VELOCITY, CAUSED BY AN INCREASE IN THE CROSS SECTION, IS CANCELLED BY THE EFFECT OF INCREASING THE BASE LENGTH OF THE TRANSMISSION. /DOT/

• Authors:
  • Tsulukidze, P P
  • Sokhadze, G V
• Publication Date: 1972-2

Media Info

• Pagination: p. 115-7
• Serial:
  • Hydrotechnical Construction
  • Issue Number: 2
  • Publisher: American Society of Civil Engineers

Subject/Index Terms

• TRT Terms: Audio frequency; Concrete tests; Size; Ultrasonic waves; Ultrasonics; Wave motion
• Subject Areas: Highways; Materials;

Filing Info

• Accession Number: 00214246
• Record Type: Publication
• Files: TRIS
• Created Date: Jun 12 1973 12:00AM