Characterization of mortars in historical modern monuments: a realistic and an analytical approach

Abstract eng:
Structures embedding historical, artistic and scientific values and built after 1830 (the date of the establishment of the Modern Greek state) are defined as modern monuments according to Greek legislation. Although the period of documentation is restricted to the last 180 years, extended field survey and visual examination, traced a wide range of structural mortar mixtures in support of typical bearing masonries. The continuous and successful use of wet slaked lime putties has been documented through historical, socioeconomic and technological analysis of local construction practice combined with applied research (in situ, in the lab, and through market study). The obtained integrated background knowledge, the regular long-term monitoring of the old and repair mortars in a real site environment and the attained overall experience support ongoing conservation projects. Since the analytical chemical approach is too sophisticated and expensive for ordinary conservation work, the least amount of key laboratory tests -adequate to characterize a mortar and to control the available market materials- is crucial to enhance interventions’ quality and minimize the cost.

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