The objective of the study has been to develop relationships between pavement roughness and weight-in-motion (WIM) system measurement error for individual axles, tandem axles, gross weight and axle spacing. The dynamic weight measured by a WIM scale is determined by the dynamic response of the vehicle system to the pavement roughness. A dynamic simulation model was formulated and used to study the important parameters which affect tire/pavement dynamic force. A series of tests were conducted at three inservice WIM sites in Nevada to determine the relationship between WIM measurement error and vehicle factors including: (1) cab type; (2) trailer type; (3) configuration; (4) suspension system type; (5) speed; and (6) roughness. A second series of tests were conducted using two vehicles and instrumented to measure dynamic tire/pavement force. These data were used to develop WIM measurement error criteria for different levels of pavement roughness.
Calibration of Weigh-in-Motion Systems. Volume 2
1988
324 pages
Report
No indication
English
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