latest technologies in pavement testing and instrumentation
TRANSCRIPT
![Page 1: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/1.jpg)
Len Palek for Bob Strommen
MnROAD Research Conference
October 4, 2011
Latest Technologies in Pavement
Testing and Instrumentation
![Page 2: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/2.jpg)
Presentation Outline
Dynamic Testing
Static Data Collection
Sensors
Other
![Page 3: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/3.jpg)
MnROAD Dynamic Collection
![Page 4: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/4.jpg)
The Heart of the System
National Instruments Model 1052
Combination PXI/SCXI Chassis System
![Page 5: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/5.jpg)
Measurement & Automation Explorer (MAX)
![Page 6: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/6.jpg)
MnROAD Data Collection Version 4
![Page 7: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/7.jpg)
MnROAD Trigger Systems
Software Wireless GPS Live Traffic
Optical Beam Manual Switch
![Page 8: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/8.jpg)
The Output
-400
-350
-300
-250
-200
-150
-100
-50
0
50
100
Long
itudi
nal M
icro
stra
in
Cell 33
Cell 34
Cell 35April 3, 2009
PPA SBSPPA + SBS
![Page 9: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/9.jpg)
What a Longitudinal Trace Should
Look Like..
![Page 10: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/10.jpg)
Trace for a PCC Embedded Strain
Gauge
![Page 11: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/11.jpg)
Dynamic CE Data After Noise
Reduction
![Page 12: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/12.jpg)
Static Data Collection
![Page 13: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/13.jpg)
CR1000
AVW200 TDR100
SDMX50SP AM16/32 AM16/32
Static Data Collection Systems
![Page 14: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/14.jpg)
Campbell Scientific Loggernet
![Page 15: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/15.jpg)
Campbell Scientific CRBasic
![Page 16: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/16.jpg)
The Output
![Page 17: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/17.jpg)
Daily Temperature Data
![Page 18: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/18.jpg)
Instrumentation
Soil Pressure
HMA and PCC Strains
Deflection
Weigh in Motion
Temperature
Moisture
Frost
Lysimeter
![Page 19: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/19.jpg)
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.
![Page 20: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/20.jpg)
Dynamic Sensors
Asphalt Strain Concrete Strain
CTL
ASG-152
Dynatest
Tokoyo Sokki
PML-60
![Page 21: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/21.jpg)
Dynamic Sensors Cont’d
Soil Pressure
Pavement
Displacement Soil Compression
Geokon 3500 Macro sensor GHSAR 750-250 CTL SCG
![Page 22: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/22.jpg)
Static Sensors Temperature Concrete Strain
Moisture
Decagon 5TE
Campbell Scientific
CS616/CS635
Irrometer
Watermark 200
Sensirion
SHT-75
Omega THX-20 Geokon 4200
![Page 23: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/23.jpg)
Pavement Monitoring Tools
ALPS 2
ALPS
LISA
Sound Impedance Tube
![Page 24: Latest Technologies in Pavement Testing and Instrumentation](https://reader030.vdocuments.site/reader030/viewer/2022020704/61fb5a242e268c58cd5d2793/html5/thumbnails/24.jpg)