Urbanité, mixité et grande hauteur : pour une approche par les dimensions public/privé des tours mixtes et de leur production : le cas de Paris et de l'Ile-de-France

Abstract : Despite a controversial scientific and societal debate, building skyward is experiencing a new rise in French cities. This is reflected in the emergence of new high-rise forms: mixed-use towers and even “vertical cities“. Both are usually conceived as more accessible to the public, more linked to the ground, and more “urban». The implementation of mixed-use, height and urban quality in skyscrapers generates a system of specific technical, social and territorial constraints which are little studied so far. New public-private issues concerning both spatial and organisational considerations are caused by the very complexity of the project, the significant impact of the building on its surroundings, as well as the special status of its privately-owned spaces that are open to the public. In this context how can high-rises be produced and contribute to the urbanity of contemporary cities ? First based on a comparative study of three mixed-use tower projects within the Paris region (Phare, Triangle and Duo), then on a literature review of high-rise buildings and the concept of urbanity, we establish a typology of “urban towers“. These are classified according to their relation and their impact on the city. By developing a new dynamic approach of the urban issue of tower projects during their fabrication, we create an analytical tool which can identify temporal “project trajectories“.Finally, we find a correlation between these project trajectories and the stages of their implementation. This allows us to analyse the production process of each class of tower and their urbanity
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Claire Rossignol. Urbanité, mixité et grande hauteur : pour une approche par les dimensions public/privé des tours mixtes et de leur production : le cas de Paris et de l'Ile-de-France. Hydrologie. Université Paris-Est, 2014. Français. ⟨NNT : 2014PEST1130⟩. ⟨tel-02138966⟩

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