Nanguang Geological Instruments Co., Ltd.

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Prestressed concrete beam multi-function detector SPC-MATS

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Prestressed concrete beam multi-function detector SPC-MATS
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The equipment can test the density of the grouting of the tunnel, the quality of the concrete pouring (the strength and rigidity of the test piece, the strength of the test piece), the effective prestress under the anchor, the material and size of the concrete. It has the characteristics of high test efficiency, good reliability and no damage to the structure, which can greatly improve the quality assurance of the prestressed beam.
1. Diversified functions
2. High precision MEM spectrum analysis method
3. High precision MEM spectrum analysis method

Results and technical characteristics
Based on the integration of existing advanced technologies at home and abroad, a series of test principles were proposed and a relatively complete detection system was established. The main independent research and development technologies are:
Equivalent Wave Velocity Method (IEEV): Positioning and type discrimination of grouting defects of prestressed beams;
Equivalent mass method (TTEM): testing the tension of a buried anchor/rod;
Full Length Attenuation Method (FLEA): Qualitative testing of the channel grouting density of prestressed beams;
Transfer Function Method (PFTF): Characterizes the grouting defects in the vicinity of the anchor head of the prestressed beam. According to this, not only can the effective tension of various anchor cables/rods be tested, the grouting compactness of the prestressed beams can be quickly qualitatively detected, accurately positioned and typed, and at the same time, the concrete material (structure, test piece), beam thickness It can also be tested.

1. Sampling period: 0.05, 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4μs adjustable
2. Operating system: windows
3. Waveform noise processing and spectrum analysis: moving smooth, BPF, EMD, FFT, MEM
4. Test content: grouting quality; effective prestress under anchor, cable tension; concrete material (elastic modulus, strength) and size
5. Grouting compactness test method: longitudinal qualitative (FLEA, FLPV, PFTF), longitudinal positioning (IEEV, IERS), vertical and horizontal tunnel (VDFM)
6. Effective prestress test method under anchor: equivalent mass method (TTEM)
7. Signal processing technology: subtraction of excitation residual signal; integrated processing, average processing
8. Grouting positioning coupling: high damping sensor support
9. Number of channels: 2 channels (expandable to multiple channels with VMC technology), trigger channel and receiving channel are interchangeable
10. Platform: Integrated platform
11. Free string tension test method: string vibration method
12. Concrete material, size test method: reflection method
13. Grouting compactness test range: qualitative test up to 150m; positioning test is not limited by the length of the tunnel
14. Concrete material, size test range: 0.1-2m
15. Data acquisition: support touch and wireless dual control mode; support single, continuous dual mode sampling
16. Working temperature: 0 ~ 45 ° C
17. Sampling accuracy: floating point interpolation compensation to 24 bits
18. Sampling frequency: 500KHz, adjustable
19. The maximum number of collection points: 20,000, adjustable
20. Can display maximum / minimum voltage: 10V / 0.0001V
21. Display: LCD display 1280*800
22. Graphic processing: contour, shade, elastic wave radar scanning
23. The same screen indicates the maximum number of waveforms: 300 (wavelength collection points 2048, sampling interval 4us)
24. Location information: support GPS positioning

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Prestressed concrete beam multi-function detector SPC-MATS

Detail

Characteristic

Parameter