Minnesota Department of Transportation

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MnROAD - Dynamic Sensors

Staff member installing sensors

MnROAD | Data

Dynamic Sensors (Load Response)

The matrix below contains the different sensor type descriptions, installation methods, and some of the data collected. Due to the complexity and amount of the data please contact us for custom data requests.

Dynamic sensor information

Measurement Type

Sensor Documentation

Sensors installed in

Dynamic Testing

Testing Process used to collect dynamic data

All layers

Unbound Layer Stress

Earth Pressure Cell (PG) Documentation (pdf)

Unbound Base - Subgrade

Pore-Water Pressure (DW-XD) Documentation (pdf)

Unbound Base - Subgrade

Pavement Strain

Concrete Embedded Strain Gauge (CE, MM, SS) Documentation (pdf)

PCC

Asphalt Embedded Strain Transducers (LE, TE, AE) Documentation (pdf)

HMA

Displacement

LVDT (DT) Documentation (pdf)

HMA – PCC – Unbound Base

Soil Compression (SC) Documentation (pdf)

Unbound Base - Subgrade

Accelerometers

PCC

Please use the Data Request Form for any of the below data.

Sensor Type
Sensor
Sensors located in the following layers
HMA
PCC
Base
Subgrade

Unbound Layer Stress

Pressure Cell

PK, PG

   
x
x

Pore-Water Pressure

PW

   
x
x
Pavement Strain

Strain Gauge

CE, MM, SS

 
x
   

Strain Gauge

LE, TE, AE

x
   

Biaxial Strain Gauge

BS

x
Displacement

LVDT

DT

x
x
x

Soil Compression

SC

x

Accelerometer

XX

x
x