Discussion Evening on Ultrasonic Testing of Concrete Summary of Introductory Remarks by Dr. R. Jones

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.

TESTS made on portions of a ten-year-old reinforced concretc building of normal construction during the course of its demolition are briefly described, and the more important results obtained are discussed.