Pavement friction have become a characteristic of interest due to its impact on road safety. The demand of the transportation agencies for equipment to measure the friction of their pavements grew. Different companies developed in parallel way different devices to satisfy that demand. This generate that the different transportation agencies are using different devices to measure the same characteristic. In order to determine a threshold for the adequate friction levels, the need to compare those data was created. Several attempts to harmonize those measurements have been developed, but have demonstrate that not produce harmonious results among some devices. Also, there are new equipment like the Continuous Friction Measurement Equipment (CFME) that offer some advantages compared to the traditional Locked Wheel Trailer (LWST) that also generate the need to compare historical data to the collected with the new device. This thesis is proposing an interconversion method between the measurements from a CFME as the SCRIM and the LWST. / Master of Science / This thesis compares two devices that measure the friction of the pavement surface. One of the devices, the Locked Wheel Skid Tester (LWST) is the one that have traditionally used for the Departments of Transportation (DOT) in the US. The other one is a newer technology that is able to measure the friction in a continuous way (SCRIM). The comparison of measurement is difficult because there are many factors that affect the tire-pavement friction. The International Friction Index (IFI) provides a comparison approach but require taking static reference measurements that are time consuming and require road closures. This thesis proposes a simplified method to convert measurements with the LWST using only the SCRIM that do not require these reference measurements.
| Identifer | oai:union.ndltd.org:VTETD/oai:vtechworks.lib.vt.edu:10919/82057 |
| Date | 09 February 2018 |
| Creators | Barrantes-Quiros, Silvia-Maria |
| Contributors | Civil and Environmental Engineering, Flintsch, Gerardo W., Katz, Bryan J., Izeppi, Edgar D. de Leon |
| Publisher | Virginia Tech |
| Source Sets | Virginia Tech Theses and Dissertation |
| Detected Language | English |
| Type | Thesis |
| Format | ETD, application/pdf |
| Rights | In Copyright, http://rightsstatements.org/vocab/InC/1.0/ |
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