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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Len Palek for Bob Strommen
MnROAD Research Conference
October 4, 2011
Static Data Collection
National Instruments Model 1052
Combination PXI/SCXI Chassis System
MnROAD Trigger Systems
HMA and PCC Strains
Weigh in Motion
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.
Macro sensor GHSAR 750-250
Campbell Scientific CS616/CS635
Irrometer Watermark 200
Sound Impedance Tube