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Earthquake Deformation Check in Peru with Laser Scanning and Point Cloud Processing Software

The church of Belén stands on a strongly seismic territory that from its origins has undermined the structure, rebuilt several times. After the damages caused by the earthquake of 1950, the internal consolidation of the vaults and domes was carried out, in order to avoid subsequent collapses, and only recently (for the first time!) a laser scanner survey was commissioned by the Ministry of Culture in Cusco to evaluate the actual structural conditions of the church and undertake restoration work. Thanks to this important technological step, it was immediately possible to notice some serious structural problems concerning the subsidence of the cupola. An aspect that would never have emerged with traditional measurement systems.

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