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September 10, 2025Open Access

Comparative Study of Gaudí's Sinusoidal Conoid Arches in the Original and Replica Sagrada Familia Schools

CPCarles PàmiesUniversitat Politècnica de Catalunya DLDaniel LópezUniversidad de Valladolid ARAlberto Sánchez RieraPolytechnic University of Puerto Rico

Key Points

The study reveals structural differences between Gaudí's original arches and their 2002 replica.
Using photogrammetry, the research effectively compares curves and angles of both buildings.
Point clouds generated through photogrammetry show substantial detail for accurate comparison.
These techniques may enhance understanding of structural changes over time in significant architectural works.

Abstract

Abstract The current study aims to compare the designs of the sinusoidal conoid arches of the Gaudí Schools with the replica built in 2002 as a training exercise for the relocation of the original schools next to the Sagrada Familia Expiatory Temple. Photogrammetry techniques are employed to create point clouds and compare the curves and angles of both buildings. This method allows for effective, reliable, and affordable comparative analyses for similar structures that deteriorate over time.

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