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Latest Technologies in Pavement Testing and Instrumentation

Latest Technologies in Pavement Testing and Instrumentation. Len Palek for Bob Strommen MnROAD Research Conference October 4, 2011. Presentation Outline. Dynamic Testing Static Data Collection Sensors Other. MnROAD Dynamic Collection. The Heart of the System.

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Latest Technologies in Pavement Testing and Instrumentation

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  1. Latest Technologies in Pavement Testing and Instrumentation Len Palek for Bob Strommen MnROAD Research Conference October 4, 2011

  2. Presentation Outline Dynamic Testing Static Data Collection Sensors Other

  3. MnROAD Dynamic Collection

  4. The Heart of the System National Instruments Model 1052 Combination PXI/SCXI Chassis System

  5. Measurement & Automation Explorer (MAX)

  6. MnROAD Data Collection Version 4

  7. MnROAD Trigger Systems Software Wireless GPS Live Traffic Optical Beam Manual Switch

  8. The Output

  9. What a Longitudinal Trace Should Look Like..

  10. Trace for a PCC Embedded Strain Gauge

  11. Dynamic CE Data After Noise Reduction

  12. Static Data Collection

  13. Static Data Collection Systems CR1000 TDR100 AVW200 SDMX50SP AM16/32 AM16/32

  14. Campbell Scientific Loggernet

  15. Campbell Scientific CRBasic

  16. The Output

  17. Daily Temperature Data

  18. Instrumentation Soil Pressure HMA and PCC Strains Deflection Weigh in Motion Temperature Moisture Frost Lysimeter

  19. A Little Explanation All resistive strain gauges work on the principles of the Wheatstone bridge. A Wheatstone bridge is a network of four resistive arms. The circuit is very sensitive to changes within each arm. One or more of these arms can be an active sensing element.

  20. Dynamic Sensors Concrete Strain Asphalt Strain CTL ASG-152 Tokoyo Sokki PML-60 Dynatest

  21. Dynamic Sensors Cont’d Pavement Displacement Soil Compression Soil Pressure Geokon 3500 Macro sensor GHSAR 750-250 CTL SCG

  22. Static Sensors Temperature Concrete Strain Geokon 4200 Omega THX-20 Moisture Sensirion SHT-75 Campbell Scientific CS616/CS635 Irrometer Watermark 200 Decagon 5TE

  23. Pavement Monitoring Tools Sound Impedance Tube ALPS ALPS 2 LISA

  24. Questions?

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