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23 report(s) found with labor in the keywords field
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The feasibility of using the Georgia Loaded-Wheel Tester (GLWT) to predict rutting in the laboratory was investigated in this research. This research was performed in two phases. The first phase consisted of modifying the GLWT to handle 15.2 cm (6 in) cores, developing a laboratory compaction procedure...

 

This report describes a study jointly conducted by the University of Wyoming and the Wyoming Department of Transportation to better understand how selecting an Mr value influences the thickness of an asphalt overlay pavement. The objectives of this study were to: 1) investigate the importance of several...

 

This study was conducted in an effort to add knowledge to the issue of hours of service rules that regulate commercial truck drivers. Drivers, carriers, and society in general would appear to experience positive net gains from a change in the cumulative hours of service rules from the current 70-in-8...

 
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