Author: Ockleston, A J
First published: N/A
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Ockleston, A J
The Institution welcomes as its President for the Session 1955-1956 Mr. STANLEY VAUGHAN, who takes office on the 6th October.
THE CHAIRMAN introduced the Author, who then presented his paper.
The testing of concrete by the ultrasonic pulse technique involves measuring the time taken for a pulse of vibrations to pass through a known length of concrete. The path length divided by the time of propagation givcs the pulse velocity, a quantity which is used as a criterion for studying tho quality of the material.