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Journal Articles Transportation Research Part D: Transport and Environment Year : 2019

Longitudinal profile optimization for roads within an eco-design framework

Abstract

This paper proposes a methodology to optimize the longitudinal profile of roads according to either an energy consumption or Global Warming Potential (GWP) criterion calculated for both construction and operation phases. For the construction phase assessment, this methodology is based on a earthworks model that computes the geometric differences between the natural terrain and the longitudinal road profile and moreover uses environmental data validated with real experiments. The operation phase is assessed by simulating traffic over a ten-years period. Traffic simulations are based on vehicle dynamic models, also validated with real experiments. The optimization problem is set up in a finite dimensional optimization. A case study illustrates this methodology. By taking into account actual traffic measurements, the optimized profile decreases by 6% the total primary energy consumption and by 8% the GWP.
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Dates and versions

hal-02005356 , version 1 (04-02-2019)
hal-02005356 , version 2 (21-12-2020)

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Pierre-Olivier Vandanjon, Emmanuel Vinot, Véronique Cerezo, Alex Coiret, Michel Dauvergne, et al.. Longitudinal profile optimization for roads within an eco-design framework. Transportation Research Part D: Transport and Environment, 2019, 67, p. 642-658. ⟨10.1016/j.trd.2019.01.002⟩. ⟨hal-02005356v2⟩
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