{"authors":[{"id":null,"fullName":"Pérez Gracia, María de la Vega","name":"María La Vega","surname":"Pérez Gracia","rank":1,"pid":{"id":{"scheme":"orcid_pending","value":"0000-0003-3638-3093"},"provenance":null}},{"id":null,"fullName":"Caselles Magallón, Josep Oriol","name":"Josep Oriol","surname":"Caselles Magallón","rank":2,"pid":{"id":{"scheme":"orcid_pending","value":"0000-0002-8280-0882"},"provenance":null}},{"id":"orcid_______::cb3ce92b5e4035f33e4e789d1d841565","fullName":"González Drigo, José Ramón","name":"José Ramón","surname":"González Drigo","rank":3,"pid":{"id":{"scheme":"orcid","value":"0000-0003-2808-670x"},"provenance":null}},{"id":null,"fullName":"Sossa Arancibia, Viviana Alejandra","name":"Viviana Alejandra","surname":"Sossa Arancibia","rank":4,"pid":null},{"id":null,"fullName":"Clapés Boixader, Jaime","name":"Jaime","surname":"Clapés Boixader","rank":5,"pid":{"id":{"scheme":"orcid_pending","value":"0000-0001-5070-8662"},"provenance":null}}],"openAccessColor":"gold","publiclyFunded":false,"eoscIfGuidelines":null,"type":"publication","language":{"code":"eng","label":"English"},"countries":[{"code":"ES","label":"Spain","provenance":null}],"subjects":[{"subject":{"scheme":"keyword","value":"NDT"},"provenance":null},{"subject":{"scheme":"keyword","value":"HVSR"},"provenance":null},{"subject":{"scheme":"keyword","value":"GPR"},"provenance":null},{"subject":{"scheme":"keyword","value":"Historic masonry"},"provenance":null},{"subject":{"scheme":"keyword","value":"Santa Maria del Pi"},"provenance":null},{"subject":{"scheme":"keyword","value":"Moisture infiltrations"},"provenance":null},{"subject":{"scheme":"keyword","value":"Mediaeval structures"},"provenance":null},{"subject":{"scheme":"FOS","value":"02 engineering and technology"},"provenance":null},{"subject":{"scheme":"keyword","value":"Combined methods"},"provenance":null},{"subject":{"scheme":"FOS","value":"0201 civil engineering"},"provenance":null}],"mainTitle":"Structural Insights from Non-Destructive Surveys: Moisture, Roof Structure and Subsoil Variability in Santa Maria del Pi","subTitle":null,"descriptions":["<jats:p>Preventive conservation of historic buildings is crucial to avoid extensive damage, yet assessments are often reactive. Following mortar detachment at the Basilica of Santa María del Pi, this paper presents a diagnosis using Non-Destructive Testing (NDT). The study employed Horizontal-to-Vertical Spectral Ratio (HVSR) for subsoil analysis and Ground Penetrating Radar (GPR) for superstructure inspection. HVSR analysis differentiated fill material from compacted ground, revealing that most of the basilica rests on infilled soil, except the northern corner, suggesting differential settlement risks. Concurrently, GPR survey of vaults and roofs identified internal structures, specifically zones lightened with hollow ceramics, and mapped high-moisture anomalies via wave amplitude and velocity analysis. The study concludes that these methods are complementary, addressing distinct spatial domains. 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