Latest technologies in pavement testing and instrumentation
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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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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

Presentation Outline

Dynamic Testing

Static Data Collection

Sensors

Other


Latest technologies in pavement testing and instrumentation

MnROAD Dynamic Collection


Latest technologies in pavement testing and instrumentation

The Heart of the System

National Instruments Model 1052

Combination PXI/SCXI Chassis System


Latest technologies in pavement testing and instrumentation

Measurement & Automation Explorer (MAX)


Mnroad data collection version 4

MnROAD Data Collection Version 4


Latest technologies in pavement testing and instrumentation

MnROAD Trigger Systems

Software

Wireless GPS

Live Traffic

Optical Beam

Manual Switch


The output

The Output


What a longitudinal trace should look like

What a Longitudinal Trace Should Look Like..


Trace for a pcc embedded strain gauge

Trace for a PCC Embedded Strain Gauge


Dynamic ce data after noise reduction

Dynamic CE Data After Noise Reduction


Static data collection

Static Data Collection


Latest technologies in pavement testing and instrumentation

Static Data Collection Systems

CR1000

TDR100

AVW200

SDMX50SP

AM16/32

AM16/32


Campbell scientific loggernet

Campbell Scientific Loggernet


Campbell scientific crbasic

Campbell Scientific CRBasic


The output1

The Output


Daily temperature data

Daily Temperature Data


Instrumentation

Instrumentation

Soil Pressure

HMA and PCC Strains

Deflection

Weigh in Motion

Temperature

Moisture

Frost

Lysimeter


A little explanation

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.


Dynamic sensors

Dynamic Sensors

Concrete Strain

Asphalt Strain

CTL

ASG-152

Tokoyo Sokki

PML-60

Dynatest


Dynamic sensors cont d

Dynamic Sensors Cont’d

Pavement Displacement

Soil Compression

Soil Pressure

Geokon 3500

Macro sensor GHSAR 750-250

CTL SCG


Static sensors

Static Sensors

Temperature

Concrete Strain

Geokon 4200

Omega THX-20

Moisture

Sensirion SHT-75

Campbell Scientific CS616/CS635

Irrometer Watermark 200

Decagon 5TE


Pavement monitoring tools

Pavement Monitoring Tools

Sound Impedance Tube

ALPS

ALPS 2

LISA


Latest technologies in pavement testing and instrumentation

Questions?


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