Approaches to the problem of limestone replacement in Greece
M. A. Stefanidou, 2010. "Approaches to the problem of limestone replacement in Greece", Limestone in the Built Environment: Present-Day Challenges for the Preservation of the Past, B. J. Smith, M. Gomez-Heras, H. A. Viles, J. Cassar
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One of the most common stone types in building construction in Greece is limestone. Whole structures such as castles, palaces, fortresses and churches were built only with limestone blocks or limestone pieces combined with other types of stone. In this paper two types of limestone (a biogenic limestone and a travertine) used in the construction of monuments are tested and analysed in terms of their physical, mechanical and microstructural characteristics in order to record their properties. Their exposure to different environmental conditions and the pathology forms they present are also recorded. The possibility of their replacement is approached either by supplementing the missing parts, by finding a comparable new stone or by applying an artificial one. The results of the study performed in each case are also presented.