| Instrument / System |
Use |
Notes |
Laser Profilometer System
(Click images to enlarge)
|
|
Measures the profile of the pavement surface.
|
Built by the CSIR. |
|
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|
Gautrans APT Instrumentation and Data Acquisition System |
|
| Instrument / System |
Use |
Notes |
Linear Vertical Displacement Transducers. (E300)
|
Measurements of Permanent Deformation and Elastic Deflection within a pavement structure |
LVDT's LUCAS Schaevitz Sensors E300
|
Linear Vertical Displacement Transducers. (E300)
|
Measurements of Permanent Deformation and Elastic Deflection within a pavement structure
|
LVDT's MACRO Sensors E 750 /300 (larger centre hole)
|
JDMD
(Click on images to enlarge)
|
|
Rigid pavement surface deflection |
|
| MDD |
|
In-depth deflection and deformation |
|
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|
| Gautrans APT Instrumentation and Data Acquisition System |
|
| Instrument / System |
Use |
Notes |
Road Surface Deflectometer(RSD)
|
Measures the surface deflections of a pavement. |
Built by the CSIR. |
| LFWD |
|
In-situ surface deflection |
|
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|
| Gautrans APT Instrumentation and Data Acquisition System |
|
| Instrument / System |
Use |
Notes |
Linear Vertical Displacement Transducers. (E300)
|
Measurements of Permanent Deformation and Elastic Deflection within a pavement structure |
LVDT's LUCAS Schaevitz Sensors E300
|
Linear Vertical Displacement Transducers. (E300)
|
Measurements of Permanent Deformation and Elastic Deflection within a pavement structure
|
LVDT's MACRO Sensors E 750 /300 (larger centre hole)
|
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|
| Gautrans APT Instrumentation and Data Acquisition System |
|
| Instrument / System |
Use |
Notes |
PSPA
(Click on images to enlarge) |
|
In-situ seismic stiffness. |
|
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|
| Gautrans APT Instrumentation and Data Acquisition System |
|
| Instrument / System |
Use |
Notes |
Thermocouple Wire
(Click on images to enlarge)
|
|
Type K thermocouple wire for general purpose temperature measurements in concrete, asphalt and ambient air
|
The wires are twisted together at one end and a plug (Part No. 4559764 - Type 'K' mini T couple) are attached to the other end of the wire. |
Temperature buttons (i-buttons)
|
|
Programmable to measure temperatures within a pavement structure or ambient air.
|
Thermochron i-buttons temperature / humidity buttons
|
| Heaters |
|
Heating test section |
In South Africa the heaters used typically consist of a panel of 6 heaters (3 on each side of the test section) with 2 x 1 600 Watt elements per heater. With these heaters pavement temperatures of up to 80°C can be achieved inside the environmental chamber with ambient outside temperatures of down to 5°C. |
Temperature Data acquisition. (TC-2095) National Instruments
|
Connecting thermocouples. |
Plug in the thermocouples.
|
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|
| Gautrans APT Instrumentation and Data Acquisition System |
|
| Instrument / System |
Use |
Notes |
Multifunction Data Acquisition System. National Instruments (PC card PCI-MIO-16E-1)
|
Logging of temperature and LVDT data. |
Easy to setup extra modulus, Software written in Labview (pc card) |
SCXI Modular Data Acquisition and Signal Conditioning System. National Instruments
|
Single system for the integration of temperature, load, acceleration, LVDT, etc.
|
x |
Temperature Data acquisition. (TC-2095) National Instruments
|
Connecting thermocouples. |
Plug in the thermocouples.
|
| LabVIEW Data acquisition and Control Software. National Instruments |
Collecting, filtering, logging and display of data. |
Software written by Peter Westwood / Jeremy Lea. |
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|
| Gautrans APT Instrumentation and Data Acquisition System |
|
| Instrument / System |
Use |
Notes |
| Stress-in-motion (SIM) |
|
Tyre-pavement contact stress. |
|
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