Call for contributions for a special issue of Ambiances journal. Deadline for submissions: 12 May 2021.
The concept of underground spaces has emerged over the last twenty years (Admiraal & Cornaro, 2018) as a unifying issue for the professions working with the Urban (e.g. architects, engineers, geometricians, geographers). For a long time considered as a ‘residue’ of the city, neglected by actors, bereft of natural light and air, underground spaces have responded to the needs for storing and burying vital functions of the city (all sorts of networks) or, in some cases, for climate protection (e.g. Montreal). Therefore, for a long time, the underground remained the domain of engineers, military officers, accommodating security installations, parking areas, technical galleries (utilidors) and various urban infrastructures (Goel, Singh & Zhao, 2012). As for urban planners, they have long imagined a retrieval of this common ground often involving the imagination around futuristic cities and less so the trial and updating of knowledge and techniques inherited from vernacular architecture (e.g. water reservoirs, troglodyte dwellings).
The end of the 20th century and the processes of metropolisation and urban sprawl now make global cities face issues regarding the densification of their functions. The underground is expected to prove itself as a structuring space of metropolitan life. It emerges as a promising response to the unsolvable shortage of land in dense areas, but also to the issues of energy performance, management of resources and mobility (Malone, 1996). From a perception of the underground as a binding space, we are now witnessing, in France and abroad, a renewal of the vocabulary and of the policies willing to connect the undergrounds to the grid of urban vital functions. However, despite this effervescence, the updating of the regulatory and operational tools has not yet started. The high cost of underground construction, the complexity of operational montages (type macrolot), the risks induced by the recognition of a common land to be shared and the absence of exhaustive census call for a careful reading with multiple dimensions (e.g. environmental, social) of underground spaces, as well as a revision of the analysis and design vocabularies.
Questioning the underground in its ability to welcome, please, affect, comfort also means recognizing an old debate (structure, land, safety) with topical issues, such as the hybridisation of public spaces, the tourist attractiveness of cities, the role of the senses in the urban experience. This special issue aims to open a debate on an updated reading of the underground space and its role in the construction of urbanity (Levy, 1994). We use in particular concepts of ambiance and experience (Malpas, 1999), which have been present for over forty years in humanities and social sciences in France (Amphoux, 2003) and in Anglo-Saxon research (Buser, 2014). How can a multi-sensorial approach of underground spaces shape modalities of production, practices and design of those places?
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