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    Journal of the South African Institution of Civil Engineering

    versão impressa ISSN 1021-2019

    Resumo

    STEYN, W J vd M et al. Challenges confronting road freight transport and the use of vehicle-pavement interaction analysis in addressing these challenges. J. S. Afr. Inst. Civ. Eng. [online]. 2012, vol.54, n.1, pp. 14-21. ISSN 1021-2019.

    Traditional arguments for maintaining riding quality of pavement are expanded in this paper to examine the effects of deteriorating riding quality on vehicle operating costs, freight damage and logistics. The objectives of this paper are to analyse the effects of different levels of riding quality on a truck and its freight, and to discuss potential applications of the analysis in terms of effectiveness of the freight transport system. The paper discusses needs and drivers influencing freight transport costs, vehicle-pavement interaction concepts, and the potential physical effects and costs from roads with deteriorating riding quality. A case study is presented analysing vehicle-pavement interaction for selected roadways in California. It is concluded that investments in pavement and freight transport industry improvements can be investigated by applying vehicle-pavement interaction analysis to evaluate damage to pavement, vehicle and freight that would result from alternative levels of pavement riding quality. The paper recommends that existing concepts, tools and resources such as dedicated truck lanes and vehicle-pavement interaction analysis can help to improve the freight transport system. A framework is proposed to better understand the scale of potential impacts of riding quality from localised effects to larger-scale influences, including costs to customers and global competitiveness.

    Palavras-chave : vehicle-pavement interaction; freight transport; logistics; freight damage.

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