The Diagram of (Not) Being Modern: The Tension between Materia and Material in Architectural Tectonic Culture

This chapter examines how the distinction among matter, materia, and material reframes architectural tectonic culture and its relation to modernity. It uses an author-defined analytical convention: matter is physical substance; materia is matter selected and made technically workable for construction; material names the broader technical, aesthetic, representational, and cultural relations through which they enter architectural production. A comparative conceptual reading of phenomenology, new materialism, speculative realism, object-oriented ontology, Latour’s account of modernity, and Deleuze and Guattari informs three diagrammatic phases: Deleuze–Guattarian modes of thought and composition; DeLanda-informed emergence, individuation, and relations of exteriority; and Harmanian object withdrawal and irreducibility. These phases are interpretive transformations, not a reconciliation of the philosophies. The diagram shows how tectonic culture is formed through tension between workable materia and the wider becoming of material, while objects remain irreducible to components, effects, or human experience. This heuristic reconsiders architectural modernity without equating the virtual with the merely possible or Kant’s thing-in-itself.