Interpretation of Accelerated Laboratory Testing of the Prototype Modulas Stress in Motion Sensor with the MMLS3 Load Simulator
Publication: Journal of Transportation Engineering
Volume 134, Issue 10
Abstract
With modern heavy vehicles using higher inflation pressures and higher axle loads the dynamic measurement of the tire-pavement contact force/stress is essential not only for tire development but also in road research for the investigation of factors which may lead to excessive damage of pavements. In this paper the results of laboratory tests with a prototype stress in motion (SIM) quartz sensor trafficked with a one-third scale load simulator (MMLS3) are presented. The tests were designed to vary parameters such as tire inflation pressure, speed, ambient temperature, lateral position, and angle to direction of travel in a controlled environment in order to isolate the influence of these parameters on the SIM sensor results. All other controllable variables remained constant while the target parameter was varied. Tire inflation pressures were calculated from these data. The laboratory tests show that the prototype sensor promises to be an effective investigative tool for SIM measurements.
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Acknowledgments
The writers would like to express their gratitude to the Swiss Commission for Technology and Innovation (CTI/KTI), Swiss Federal Roads Authority (FEDRO, ASTRA), Swiss Office for the Environment (FOEN/ BAFU) for the financial support of the project, Kistler Instruments AG, Switzerland for providing the sensors, and Mr. Simon Kuentzel of Empa for performing the laboratory tests.
References
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Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 134 • Issue 10 • October 2008
Pages: 414 - 422
Copyright
© 2008 ASCE.
History
Received: May 8, 2007
Accepted: Mar 3, 2008
Published online: Oct 1, 2008
Published in print: Oct 2008
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