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Quantification des bénéfices des revêtements perméables. Modélisation à l'échelle de la structure et du bassin versant

Abstract : Permeable pavements are developing in France and abroad as a promising response to the growing issues of ground protection and the improvement of the water cycle in urban areas. The development of pervious concrete within the laboratory of ESITC Caen had highlighted the need to quantify the contributions of the permeable pavement, and thus meeting the expectations of local authorities and encouraging the use of these techniques by urban planners. In this purpose, this Phd aims at describing the hydrological mechanisms of the permeable pavements and quantifying their benefits on surface runoff. Two models were developed to respond to these objectives. The first one allows modeling the hydrological processes inside permeable pavement structures with a physically-based approach, which solves RICHARD’s law with a finite element method. This modeling enables the understanding of the influence of the properties of the structure and its environment on its performances. Results have led to the proposal of a conceptual representation of permeable structures. The second model allows modeling the hydrological behavior of an urban catchment with an agent-based approach. Various scenarios of permeable pavement implemantations were simulated on a real study site located at Ouistreham in Normandy. The analysis of this model enables the quantifying of the benefits of the implementation of permeable pavements on surface runoff. Results highlight the link between the permeable surface on the impermeable surface ratio and the reduction of runoff. They emphasize the importance of dispersing permeable pavement areas to maximize their benefits.
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https://tel.archives-ouvertes.fr/tel-02064298
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Submitted on : Monday, March 11, 2019 - 5:49:15 PM
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  • HAL Id : tel-02064298, version 1

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Olivier Cortier. Quantification des bénéfices des revêtements perméables. Modélisation à l'échelle de la structure et du bassin versant. Génie civil. Normandie Université, 2018. Français. ⟨NNT : 2018NORMC247⟩. ⟨tel-02064298⟩

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