Abstract
Abstract. This paper focuses on the integration of multi-sensor techniques regarding the acquisition, processing, visualisation and management of data regarding historic stone structures. The interdisciplinary methodology that is carried out here comprises of two parts. In the first part, the acquisition of qualitative and quantitative data concerning the geometry, the materials and the degradation of the tangible heritage asset each time, is discussed. The second part, refers to the analysis, management and visualization of the interrelated data by using spatial information technologies. Through the paradigm of the surveying of the ancient temple of Pythian Apollo at Acropolis of Rhodes, Rhodes Island, Greece, it is aimed to highlight the issues deriving from the separate application of documentation procedures and how the fusion of these methods can contribute effectively to ensure the completeness of the measurements for complex structures. The surveying results are further processed to be compatible and integrated with GIS. Also, the geometric documentation derivatives are combined with environmental data and the results of the application of non-destructive testing and evaluation techniques in situ and analytical techniques in lab after sampling. GIS operations are utilized to document the building materials but also to model and to analyse the decay extent and patterns. Detailed surface measurements and geo-processing analysis are executed. This integrated approach, helps the assessment of past interventions on the monument, identify main causes of damage and decay, and finally assist the decision making on the most compatible materials and techniques for protection and restoration works.
Highlights
The necessity of the recording of historical stone structures and in general of the built heritage, has been highlighted multiple times by international agreements and directives, such as in the Venice Charter (ICOMOS, 1964)
This paper focuses on the integration of multi-sensor techniques regarding the acquisition, processing, visualisation and management of data regarding historic stone structures
The process of the degradation of the building materials is determined by their mineralogical, physicochemical, mechanical characteristics, their environment and human interventions
Summary
The necessity of the recording of historical stone structures and in general of the built heritage, has been highlighted multiple times by international agreements and directives, such as in the Venice Charter (ICOMOS, 1964). More recently, the recording of historical, architectural, geometric, geographical, structural, physicochemical and environmental data has been pointed out as an integral part of the integrated documentation required for the decision making on preservation and restoration interventions for the architectural heritage assets, as mentioned in the works of Moropoulou et al (2003) and Letellier et al (2015). The present work concentrates on multi-sensor documentation methods, their interrelation and contribution and on their integration for the assessment of the current state of cultural heritage assets through geographical information systems (GIS). It can contribute to the dissemination among the scientific community and citizens and can be used for avoiding similar incompatible interventions, raising awareness among people and scientists to microclimate pressures and threats The double-blind peer-review was conducted on the basis of the full paper
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