Application
Acoustic pile integrity detection by transmission method
Concrete crack depth detection
Concrete strength detection by ultrasonic-rebound combined method
Longitudinal wave velocity test of rock mass in geological investigation
Detection of loosen zone of tunnel rock mass
Test of dynamic and elasticity parameters of non-metallic materials
Integrity detection of underground diaphragm wall
Applicable standards
Standard Test Method for Integrity Testing of Concrete Deep Foundation by Ultrasonic Crosshole Testing ASTM D6760-08
Technical Code for Detection of Building Foundation Pile JGJ 106-2014
Dynamic Testing Technology Regulations on Highway Engineering Foundation Pile JTG/T F81-01-2004
Nondestructive Detection Code for Railway Engineering Foundation Pile TB 10218-2008
Technical Regulations on Concrete Strength Detection by Ultrasonic-Rebound Combined Method CECS 02:2005
Technical Regulations on Concrete Defect Detection by Ultrasonic Method CECS 21:2000
Regulations on Concrete Strength Detection of Railway Engineering Structure TB 10426-2004
Detection Code for Building Foundation in Guangdong Province DBJ 15-60-2008
《Standard Test Method for Integrity Testing of Concrete Deep Foundation by Ultrasonic Crosshole Testing》（ASTM D6760-17）
Principle
The objectives of the Ultra Sonic Pile Integrity Testing (RSM-SY7) are to determine the homogeneity and integrity of concrete between the probes. The data are used to confirm adequate concrete quality or identify zones of poor quality (due to inadequate vibration, segregation due to over vibration and/or improper concrete placement, washouts of cement due to groundwater flow, cracks due to shrinkage, contamination of the concrete, etc). If defects are detected, then further investigations should be made by excavation or coring the concrete as appropriate, or by other testing methods.
