Analysis Of The Old Mortars And Proposals For
The Conservation Of The Archeological Site Of
Logos-Edessa
Author(s)
M. A. Stefanidou & I. Papayianni
Abstract
The site of Logos covers an area of almost 20.000m2 and contains city walls,
roads, ruins of houses and warehouses. The building materials used were local
stone and mortars. Nowadays, parts of the masonry suffer from demolition and
the main reasons for decay seem to be frost, loose joints and bio-deterioration.
In the present work the analysis of the building materials is presented. The
stone is travertine, a porous nature material, presenting a compressive strength of
1.2MPa and a porosity up to 18%. As regards the mortars, two types were used
for the construction: a hydraulic one containing lime and pozzolanic material and
a second type based on clay.
Based on the results derived from the analysis of the authentic mortars, new
compatible ones were proposed emphasizing the usage of local, low-cost
materials that are friendly to the environment.
Keywords: travertine, mortar, compatible repair materials.
1 Introduction
The archeological site of Logos near the modern town of Edessa is a part of the
ancient city located in central Macedonia, Greece. The history of the ancient city
starts from the Hellenistic period and continues until the Byzantine era. The
place was a passage connecting the flat with the highlands of Macedonia (Greek
Ministry of Culture [1]). The life of the city was closely related to water as the
river Edesseos has formed the landscape on which the city was built and also
covered a part of the city with a thick layer of sediments after its evacuation. The
river was probably the origin of the raw materials used for construction purposes.
Keywords
travertine, mortar, compatible repair materials.
Related Book
Other papers in this volume
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