Title: TEST OF ROAD FRIENDLINESS FOR HEAVY VEHICLE SUSPENSIONS
Abstract: The dynamic bouncing of heavy goods vehicles can lead to a loading of road pavements of 10 to 30 percent more than the static load. Dynamic axle loads have been measured for a variety of steel, rubber and air suspensions on a research track and public highways. A estimate is made of the possible reduction in wear that could be made by the use of suspensions shown by tests to be the best. Measurements have also been made to investigate the effect of different suspensions on the peak dynamic axle loads on bridges. It is not possible to build standard road and bridge test sections that could be used internationally to specify absolute standards for dynamic behaviour. The validation of a procedure using a road simulator is described. The significance of the European Communities definition of road- friendliness in terms of suspension frequency and damping is examined. Experimental evidence linking dynamic loads on roads to the parametric characteristics of suspensions is reported.
Publication Year: 1993
Publication Date: 1993-01-01
Language: en
Type: article
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