The Influence of Size and Weight Variables on the Roll Stability of Heavy Duty Trucks

Ervin, R D

doi:10.4271/831163

Cited by 57 publications

(28 citation statements)

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“…Studies in which such loading is assumed predict an increase in road damage of approximately 20-30 per cent (35). Other researchers believe that the peak forces applied by the heavy vehicle fleet are concentrated at specific locations along the road (6)(7)(8). This effect has been termed 'spatial repeatability'.…”

Section: Introductionmentioning

confidence: 99%

Spatial Repeatability of Dynamic Tyre Forces Generated by Heavy Vehicles

Cole

Cebon

1992

Proceedings of the Institution of Mechanical Engineers, Part D:

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Road damage due to heavy vehicles is thought to be dependent on the extent to which lorries in normal tra& apply peak forces to the same locations along the road. A validated vehicle simulation is used to simulate 37 leaf-sprung articulated vehicles with parametric variations typical of vehicles in one weight class in the highway vehiclefleet. The spatial distribution of tyre forces generated by each vehicle is compared with the distribution generated by a reference vehicle, and the conditions are established for which repeated heavy loading occurs at specific points along the road. It is estimated that approximately two-thirds of vehicles in this class (a large proportion of all heavy vehicles) may contribute to a repeated pattern of road loading. It is concluded that dynamic tyre forces are a signi9cant factor influencins road damage, compared to other factors such as tyre conzguration and axle spacing.In the United Kingdom in 1986,85590 per cent of trailers were fitted with leaf springs (11). In 1987, Morris (12) estimated that of new vehicles in the United States, up to 70 per cent of tractors and over 80 per cent of trailers had leaf spring suspensions. Morris also quoted the results of surveys in Canada (13) and Australia (14) which showed that leaf spring suspensions are the most popular on sani-trailers.

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Section: Introductionmentioning

confidence: 99%

Spatial Repeatability of Dynamic Tyre Forces Generated by Heavy Vehicles

Cole

Cebon

1992

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…This effect results in a concentration of high dynamic tyre forces at specific locations on a pavement surface and has been observed by several authors both experimentally [1,2] and in numerical studies [3]. This opposes the traditional assumption that applied dynamic tyre loads are randomly distributed along a pavement length, suggesting that the pavement is uniformly susceptible to damage along its length.…”

Section: Introductionmentioning

confidence: 62%

The use of Bayesian statistics to predict patterns of spatial repeatability

Wilson

Harris

O’Brien

2006

Transportation Research Part C: Emerging Technologies

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“…Another important parameter is the dynamic rolling radius or loaded radius l i . The proposed model considers Michelin XZA® (Michelin, 2013) radial tyres with dynamic rolling radius l i = 0.499 m. Table 3 shows the parameters of the trailer used in this analysis (Ervin and Guy, 1986). The simulation model was applied using MATLAB®.…”

Section: [ ] [ ]mentioning

confidence: 99%