A two dimensional model of a typical 3-S2 tractor-trailer combination was created using the DADS code for simulating dynamic mechanical systems. Load histories for the vehicle were estimated in the wheel path for a sequence of doweled portland cement concrete slabs defined by the actual specification for an instrumented segment of pavement on Interstate 80. The specifications for the axle, tires, suspension, drive train, and the description of the vehicle components were obtained from the manufacturer's data and engineering tests on a disassembled vehicle. A finite element structural analysis program was used to model the pavement and estimate the strains and displacements within the slab and at the doweled joints. The model results were compared to those obtained with other structural analysis codes.
Dynamic Simulation Methods for Evaluating Motor Vehicle and Roadway Design and Resolving Policy Issues
1990
76 pages
Report
No indication
English
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