Socioplastics 11815 The City Begins at the Threshold
The ground floor shapes how a building meets the street. GroundfloorPorosity examines the thresholds, entrances and shared uses through which daily urban life gains access to buildings and public space. A frontage can connect a shop, courtyard, stair, lobby and pavement; its sequence affects who can enter, pause, work, meet or move onward. These small arrangements contribute to the practical structure of a neighbourhood. Henri Lefebvre’s account of produced space links everyday practice with spatial organisation. Lewis Mumford situates urban form within social and technical histories. Jane Jacobs attends to street life and the relations supported by active frontages. Keller Easterling examines how infrastructure space organises political and economic conditions. Their work directs attention to ground-floor design as a relation between architecture, public life and systems of access. A street study could record frontage lengths, entrances, opening hours, visible activity, seating, barriers and accessible routes. Observation at different times would show how these conditions change through the day. Interviews with residents, workers and visitors could add knowledge about informal thresholds, service access and spaces where people feel welcome. The survey could inform a design review that coordinates building rules with pavement use and public access. GroundfloorPorosity gives architects and urban researchers a method for connecting detailed building sections with neighbourhood experience. It treats thresholds as civic infrastructure whose design can support movement, encounter and local work. The street becomes more legible through the sequence of spaces people cross and use.
REFERENCES
Easterling, K. (2014) Extrastatecraft: The Power of Infrastructure Space. London: Verso.
Easterling, K. (2021) Medium Design: Knowing How to Work on the World. London: Verso.
Jacobs, J. (1961) The Death and Life of Great American Cities. New York: Random House.
Lefebvre, H. (1991) The Production of Space. Oxford: Blackwell.
Mumford, L. (1961) The City in History: Its Origins, Its Transformations, and Its Prospects. New York: Harcourt, Brace & World.
CITE AS
Lloveras, A. (2026) Socioplastics, LAPIEZA-LAB, Madrid.
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