WebUltrasonic Cross Hole Testing of Deep Foundations - 3D imaging Yury Volkovoy and Richard Stain Sonic Coring (or more properly ultra sonic cross hole logging) is a common test for concrete foundations and has been since the late 1960's .(Refs 1, 2 and 3) Three or more tubes are cast into the concrete during construction so that a series of tests can be … WebThe Sonic Depth Finder. The Sonic Depth Finder is an automatic key used to make and break the A.C. circuit of the transmitter. It is designed to close this circuit for an instant at the …
Ultrasonic thickness measurement (UTM) - Intertek
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Evaluating the sonic layer depth relative to the mixed layer depth ...
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