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    Pile low strain detector

    Test object: All kinds of civil and construction piles (including piles in construction and in-service piles);
    Test content: New foundation pile (exposed pile head): length, integrity (defect degree
    Affiliate classification
    Product parameters
    Device name
    Pile low strain detector
    Equipment model

    Results and technical characteristics


    It is possible to test the piles under the existing caps;

    The test accuracy of the length and integrity of the pile is greatly improved.


    Test items

    Test object: All kinds of civil and construction piles (including piles in construction and in-service piles);

    Test content: New foundation pile (exposed pile head): length, integrity (defect degree and position range);
    In-service pile (with cap): length, integrity.



    Easy to operate



    High test efficiency


    Good reliability



    product description


    Sichuan Shengtuo Testing Technology Co., Ltd. provides low-strain detectors for piles. The equipment is based on the low-strain reflection wave method and is widely used in the foundation pile integrity test of various column piles, in-service piles, wharf pillars and high bridge piers in various civil and construction projects. It has the characteristics of high test efficiency, good reliability, etc. It adopts stable and reliable imported components, which ensures the detection accuracy of the length and integrity of the pile.





    Patent No:ZL200910082851.4

    Related patents

    Patent name: Method for absorbing shock wave elastic wave excitation residual signal to identify reflected wave signal


    The low-strain reflection wave method detects the integrity of the pile body by analyzing the characteristics of the measured pile top speed response signal, determines the position and influence degree of the pile body defect, and determines the embedded condition and integrity category of the pile end.

    Test principle and method

    In service (with cap) base pile:


    Sound foundation pile

    Defective pile


    Excitation/receiving method 

    Reflective signal

    Foundation pile during construction:

    Instrument selection

    Pile low strain detector

    Pile Low Strain Tester
    Platform/Channel Number No cap Bearing platform GPS/database interface
    R Integral type/2 √  √  √ 
    PA Split type/2 √    √ 
    Sound Wave Transmittance Tester for Foundation Piles
    It is suitable for the integrity testing of foundation piles and the routine testing of concrete, such as internal defects, cracks and concrete materials. √ 


    Corresponding parameter set not found, please add it in property template of background
    1 Provide database management services, and can be docked with BIM system, to achieve the visualization of test results model; with the database linkage, can carry out test results cloud AI (artificial intelligence) analysis
    2 operating system:windows
    3 Channel number: 2 channels (VMC technology can be extended to multiple channels), trigger channels and receive channels are interchangeable
    4 Waveform noise and signal processing technology: eliminating residual signal of excitation; moving smoothing, BPF, EMD, integration processing, average processing
    5 Spectrum analysis:FFT、MEM
    6 Data acquisition: support touch, wireless dual mode; support single, continuous dual mode sampling
    7 Platform: Portable Platform
    8 Testing object: exposed pile at cap end
    9 Sampling accuracy: floating-point interpolation compensation to 24 bits
    10 Maximum acquisition points: 20,000, adjustable
    11 Maximum/minimum voltage can be displayed:10V/0.0001V                                                                                                        
    12 Maximum acquisition frequency: 500KHz & nbsp; adjustable
    13 working temperature:0~45℃
    14 Testing Physical Quantity: Acceleration (Integrable into Velocity and Displacement)
    15 Testing Contents: Length, Integrity, Rigidity and Bearing Capacity of Foundation Piles
    16 Test range:0.2~20m
    17 Result Data Statistical Processing: Simple Average, Deviation and Elimination of Abnormal Data
    18 Location information: supporting GPS positioning



    Remote control pen





    Vibrator hammer



    Exciting cone



    Prestress Detection of Slope Anchor Cable in Fujian Forestry Survey and Design Institute

    Detection of Prestressed Anchor Bolt of Prefabricated T-Beam in a Bid Section of Qingzhi Expressway in Guizhou Province


    Defect Detection of Foundation Pile under Gansu Bridge Pier


    Key words