Non-destructive analysis in cultural heritage buildings: Evaluating the Mallorca cathedral supporting structures

Pérez-Gracia, Vega; Caselles, J. O.; Clapés, J.; Martínez, Guillermo; Osorio, R.

doi:10.1016/j.ndteint.2013.04.014

Cited by 85 publications

(39 citation statements)

References 12 publications

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“…The external arrangement of the ashlars in the columns is similar to that observed in other gothic churches with octagonal columns. The GPR images (Figure ) present analogous characteristics to the columns of other Spanish gothic cathedrals, being similar to those obtained in Mallorca Cathedral . The columns are composed by rows of regular ashlars.…”

Section: Resultssupporting

confidence: 73%

Combining ground penetrating radar and seismic surveys in the assessment of cultural heritage buildings: The study of roofs, columns, and ground of the gothic church Santa Maria del Mar, in Barcelona (Spain)

Pérez-Gracia

Santos-Assunçao

Caselles

et al. 2019

Struct Control Health Monit

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Summary Combined non‐destructive techniques are applied in the study of a historical building in Barcelona. Santa Maria del Mar is a magnificent Mediterranean gothic church built between 1329 and 1383. Two of the most important characteristics of this building are the slender columns and the almost flat rooftop. This structure, used to create a visual impression of a unique space, transmits high loads to the tall columns. Previous to restoration, vaults, roofs, and columns were extensively assessed with non‐destructive tests, in order to improve the knowledge of those structures. This information will be used in further simulations to analyse load distributions at each part of the structure. Ground and floor were also studied. The analysis of the columns was based on ground‐penetrating radar (GPR) surveys and on seismic tomography. Finally, the dynamic behaviour of the structure was determined by seismic monitoring of the main nave and the bell tower. Results obtained at the radar survey highlight the existence of unexpected anomalies in homogeneous materials, supporting the hypothesis of an inner structure between arches and roof composed by hollow elements. Seismic tomography defined the inner geometry of the columns and detected some damage or lower quality stone in various zones. Seismic monitoring established the perfect junction between the bell tower and the main nave. GPR survey on the floor allowed detecting a large number of graves, and some images suggest the existence of large underground walls and some of the foundations of the main façade.

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Section: Resultssupporting

confidence: 73%

Combining ground penetrating radar and seismic surveys in the assessment of cultural heritage buildings: The study of roofs, columns, and ground of the gothic church Santa Maria del Mar, in Barcelona (Spain)

Pérez-Gracia

Santos-Assunçao

Caselles

et al. 2019

Struct Control Health Monit

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“…Seismic tomography methods are used for material characterization being the seismic velocities directly linked to the elastic material stiffness at low strain [Cardarelli et al 2002, Polymenakos et al 2005, Mavko et al 2009, Orlando and Renzi 2013, Pérez-Gracia et al 2013, Orlando et al 2015. Although multidimensional models can be obtained through inversion of tomographic data, this technique is unfeasible in the presence of highly warped or rough surface, due to the low coupling between surface and receivers.…”

Section: Introductionmentioning

confidence: 99%

Investigating the Foundation of the Amphiteatrum Flavium through the Passage of Commodus

Orlando

Donno

Giambattista

et al. 2017

Annals of Geophysics

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“…In all of these cases, numerous reflections and diffractions are produced in all of the irregular targets, and data appear confused, making the interpretation difficult. Combining methodologies is a strategy used to corroborate results (e.g., [11]) and to obtain accurate interpretations.…”

Section: Introductionmentioning

confidence: 99%

Assessment of Complex Masonry Structures with GPR Compared to Other Non-Destructive Testing Studies

et al. 2014

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Columns are one of the most usual supporting structures in a large number of cultural heritage buildings. However, it is difficult to obtain accurate information about their inner structure. Non-destructive testing (NDT) methodologies are usually applied, but results depend on the complexity of the column. Non-flat external surfaces and unknown and irregular internal materials complicate the interpretation of data. This work presents the study of one column by using ground-penetrating radar (GPR) combined with seismic tomography, under laboratory conditions, in order to obtain the maximum information about the structure. This column belongs to a "Modernista" building from Barcelona (Spain). These columns are built with irregular and fragmented clay bricks and mortar. The internal irregular and complex structure causes complicated 2D images, evidencing the existence of many different targets. However, 3D images provide valuable information about the presence and the state of an internal tube and show, in addition, that the column is made of uneven and broken bricks. GPR images present high correlation with seismic data and endoscopy observation carried out in situ. In conclusion, the final result of the study provides information and 3D images of damaged areas and inner structures. Comparing the different methods to the real structure of the column, the potential and limitations of GPR were evaluated.

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Non-destructive analysis in cultural heritage buildings: Evaluating the Mallorca cathedral supporting structures

Cited by 85 publications

References 12 publications

Combining ground penetrating radar and seismic surveys in the assessment of cultural heritage buildings: The study of roofs, columns, and ground of the gothic church Santa Maria del Mar, in Barcelona (Spain)

Combining ground penetrating radar and seismic surveys in the assessment of cultural heritage buildings: The study of roofs, columns, and ground of the gothic church Santa Maria del Mar, in Barcelona (Spain)

Investigating the Foundation of the Amphiteatrum Flavium through the Passage of Commodus

Assessment of Complex Masonry Structures with GPR Compared to Other Non-Destructive Testing Studies

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