Horaires de visiteFermé (New Year’s Day)
|Jeudi, Janvier 1, 2026Parvis Notre‑Dame – Place Jean‑Paul II, 75004 Paris, France
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structure
Notre‑Dame Structure: Ribs, Webs, Buttresses
An engineering overview of Notre‑Dame’s structural system: rib vaults, webs, and flying buttress chains.
1/12/2026
16 min read
Notre‑Dame’s structure is distributed logic. Ribs collect loads; webs carry them; buttresses return them to ground.
📊 Elements & Effects
| Element | Role | Effect |
|---|---|---|
| Rib | Collector | Focus thrusts at supports |
| Web | Membrane | Distribute between ribs |
| Buttress | Restraint | Counter lateral thrust |
📐 Mechanics (Qualitative)
$$ ext{Rib load} ightarrow ext{pier} quad ; quad ext{web load} ightarrow ext{ribs} $$
- Slenderness: Piers sized to limit buckling.
- Continuity: Joints grouted to maintain paths.
Structure is a chorus—each component sings a line.
Auteur
Structural Engineer
Amoureux de Paris et voyageur attentif, j’ai créé ce guide pour aider chacun à entrer dans les histoires de Notre‑Dame — là où se rencontrent foi, savoir‑faire et communauté.
Tags
Vaults
Buttresses
Load Paths
Ribs
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