Abstract
Abstract. An interdisciplinary team from the National Technical University of Athens is performing the restoration of the Holy Aedicule, which covers the Tomb of Christ within the Church of the Holy Sepulchre in Jerusalem. The first important task was to geometrically document the monument for the production of the necessary base material on which the structural and material prospection studies would be based. One task of this action was to assess the structural behavior of this edifice in order to support subsequent works. It was imperative that the internal composition of the construction be documented as reliably as possible. To this end several data acquisition techniques were employed, among them ground penetrating radar. Interpretation of these measurements revealed the position of the rock, remnants of the initial cave of the burial of Christ. This paper reports on the methodology employed to construct the 3D model of the rock and introduce it into the 3D model of the whole building, thus enhancing the information about the structure. The conversion of the radargrams to horizontal sections of the rock is explained and the construction of the 3D model and its insertion into the 3D model of the Holy Aedicule is described.
Highlights
The National Technical University of Athens has undertaken the huge task to coordinate the restoration the Holy Aedicule in the Church of the Holy Sepulchre in harmonious cooperation with the religious communities responsible for this living monument in Jerusalem
An interdisciplinary team has been formed to study the current situation of the Holy Aedicule and propose the actions necessary for its immediate restoration
The Holy Aedicule is situated within the large complex of the Church of the Holy Sepulchre in the centre of the Rotunda, a 25m tall cylindrical building
Summary
This documentation was, part of a wider range of technical studies of an interdisciplinary team of engineering experts Within this scientific work of studying and analyzing the current situation of the Holy Aedicule a methodology employed to construct the 3D model of the rock and introduce it into the 3D model of the whole building, enhancing the information about the structure. An automated 3D imaging methodology based on high resolution digital images, terrestrial laser scanning and high accuracy geodetic measurements were implemented These data were georeferenced to an already existing reference system from previous work of NTUA (Balodimos et al 2003). At its western part, from the exterior towards the interior of the burial chamber, the layering is the following: a) exterior panel b) Komnenos filler mortar layer (1810) c) main masonry (either dating to the 11th/12th century or reconstructed in 1810 by Komnenos d) Holy Rock e) interior masonry between Holy Rock and interior panel, and f) interior panel
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