Abstract

Abstract. The former Church of St. Mary, known as the Old Cathedral, in Cartagena (Region of Murcia, Spain), is a construction from the beginning of the 13th century, but it was transformed in the 16th century and rebuilt at the beginning of the 20th century. The bombings occurring during the Spanish Civil War caused the partial collapse of the building and the state of ruin that it currently presents. It is protected as a PCI with the category of monument. A Master Plan is currently being developed that should lead to the recovery of the building. The "Thermal Analysis and Geomatics (TAG)" Research Group of the Polytechnic University of Cartagena has collaborated in the drafting of the Master Plan with a planimetric survey and graphic analysis of the entire building. For this purpose, digital terrestrial photogrammetry techniques and a 3D laser scanner compatible with classical topography have been used, in order to obtain an accurate three-dimensional model. All this graphic information has been contrasted with the historical, typological, material and constructive information currently available about the building, which has facilitated the making of an exhaustive three-dimensional analysis that permits us to know this ancient Cathedral in depth. This paper will describe the work methodology followed, the technical means used and the results achieved, which have been incorporated into the Master Plan that is being prepared. Undoubtedly, the digital analysis has helped to obtain a better general understanding of the building and to be able to propose a correct formal, structural and material recomposition.

Highlights

  • The old Cathedral of Santa María or the Assumption of Our Lady, in Cartagena (Region of Murcia, Spain), called the "Old Cathedral", "Ancient Cathedral", "Church of Santa Maria la Vieja" or "Main Church of Santa María ", is a unique building, with great patrimonial, symbolic and cultural value, as well as being a reference in the historical evolution of the city of Cartagena from the fourteenth century to the present day

  • In 2009, the Polytechnic University of Cartagena made an initial planimetric and documentary survey (Collado, Martínez, 2009), with precision devices, property of the Department of Architecture and Building Technology, which was completed with a constructive analysis and a study of the pathologies present in the monument

  • With the experience of the study carried out in 2009 by the UPCT and in which the architect Juan de Dios de la Hoz participated, Lavila Arquitectos SLP subcontracted the "Scanning and drafting of planimetric documentation in Cad format the old Church of Santa María La Mayor/ the Old Cathedral of Cartagena (Region of Murcia)" (Collado, García, 2019) to the Thermal Analysis and Geomatics Research Group (TAG), of the UPCT

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Summary

INTRODUCTION

The old Cathedral of Santa María or the Assumption of Our Lady, in Cartagena (Region of Murcia, Spain), called the "Old Cathedral", "Ancient Cathedral", "Church of Santa Maria la Vieja" or "Main Church of Santa María ", is a unique building, with great patrimonial, symbolic and cultural value, as well as being a reference in the historical evolution of the city of Cartagena from the fourteenth century to the present day. With the experience of the study carried out in 2009 by the UPCT and in which the architect Juan de Dios de la Hoz (supervising the work as the architect hired by the Bishopric) participated, Lavila Arquitectos SLP subcontracted the "Scanning and drafting of planimetric documentation in Cad format the old Church of Santa María La Mayor/ the Old Cathedral of Cartagena (Region of Murcia)" (Collado, García, 2019) to the Thermal Analysis and Geomatics Research Group (TAG), of the UPCT This text intends to summarise the methodology and the work carried out for the three-dimensional precision survey of the building and present the results obtained, which have been incorporated into the Master Plan

The Old Cathedral and its history
METHODOLOGY
Laser scanner work
Digital photogrammetry of singular elements
Findings
CONCLUSIONS

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