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    Prestressed series

    Prestressed series

    Multi function detector of prestressed concrete beam Quality detector for grouting density of duct Back pull effective prestress detector Prestressed anchor cable (pole) tension detector
    Pile pole series

    Pile pole series

    Low strain detector for foundation pile Foundation pile acoustic transmission detector Steel guardrail column buried depth shock elastic wave detector Bolt quality detector
    Assembled series

    Assembled series

    Assembled structure multi-function detector
    Series of geotechnical materials

    Series of geotechnical materials

    Falling ball type resilient modulus tester Falling ball tester for geotechnical mechanical properties Cross hole rock mass mechanical property detector Geotechnical acoustic wave tester
    Railway special series

    Railway special series

    Railway concrete structure scanner Multi function nondestructive testing instrument for ballastless track (type III) Knock type tunnel lining defect detector
    Fast inspection series (mobile platform)

    Fast inspection series (mobile platform)

    Knock type tunnel lining defect detector Knock type concrete filled steel tube void detector Knock type building decoration void detector Percussion fastener loosening inspection instrument
    Monitoring equipment series

    Monitoring equipment series

    Network multi-function monitoring and testing instrument
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    The elastic wave signal is continuously excited along the surface of the test object, and the signal will be reflected when a loose medium such as a cavity is encountered. Identify internal defects of the structure by extracting the reflected signal and performing corresponding image processing.

    In the medical field, CT (Computer Tomography) is a very effective non-destructive testing technology. The principle of the elastic wave CT we developed is basically the same as that of the medical CT. The difference is that the medium used is elastic wave instead of X-ray. The parameters used are not only attenuated but also have a wave speed.

    With the virtual multi-channel technology, the two channels (1 round and 1 receiving) that are standard on the instrument can be expanded to any number of channels (1 to more than one), so that the function of the device can be fully utilized, and the accuracy of the test can be further improved.

    In the EWR (Elastic Wave Radar) analysis of software in the past, we used “sharpened defect true 3D drawing” (below Figure 1) and “3D sliced slice” (below Figure 2)

    Through the further optimization of “sharpening defect true three-dimensional drawing” and optimizing the software to form concrete defect detection “spectral peak true three-dimensional drawing

    The spectral peak true three-dimensional depiction is the peak of the spectrum over the entire depth range (starting depth to ending depth), according to its relative amplitude, on the three-dimensional map

    It can display the position, size and other information of structural defects in all directions, and realize the 3D display of rock anchor length and grouting test results.