Purpose
Testing building foundation piles by crosshole ultrasonic wave method .
Inspecting concrete defects by ultrasonic method, such as uncompacted place, cellular hole area
Detecting concrete strength by ultrasonic-rebound combined method
Detecting concrete crack depth by ultrasonic method
Detecting the wall defects of the hole by one transmitter and two receivers
Detecting the strength performance of geotechnical investigation, rock, concrete, etc
Specification
Technology code for testing of building foundation piles JGJ106-2003
Technical specification of dynamic pile tests for highway engineering JTG/TF81-01-2004
Technology specification for inspection of concrete defects by ultrasonic method CECS 21:2000
Technical specification for detecting strength of concrete by ultrasonic-rebound combine method CECS 02:2005
Technical specification for geotechnical investigation method GB 50021-2001
