Sagrada Família Catenary Arch & Structural Physics Lab

Current Visualization Mode

Inverted Tension Chain

Max Force Tension / Thrust

142.8 kN

Gaudí Structural Solver

Visualization State

Thrust Stability Margin 94% (SAFE)

Thrust Line Offset

0.08 m

Base Reaction Vector

68.2 kN

Sagrada Família Construction Stage

Crypt & Apsidal Chapels 1882 - 1893

Standard Gothic pointed arches replaced by early catenary trial profiles.

Nativity Façade Vaults 1893 - 1925

Gaudí uses inverted string & lead bag models to refine spire vault arches.

Central Nave Vaulting 1998 - 2010

Hyperbolic paraboloids & tree-like branching columns carry nave load.

Tower of Jesus & Completed State 2026

Full 172.5m central tower thrust balance using hyperbolic masonry catenaries.

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