A2.2

Συνδιδασκαλία με Α΄ Κατεύθυνση, μάθημα Υ03

The purpose of the course is to provide and develop the basic knowledge for the management of the problems presented in monuments or historical buildings, where the stone is a load-bearing structural material or the main structural material of the load-bearing body of the building.
The aim of the course is to become familiar with the material stone as a structural element of the monuments and historical buildings of the Greek area. Problems presented by the stones due to environmental factors such as humidity, wind action, polluting factors.
The following subjects will be developed in the courses:
Microscopic identification of stones, diagnosis of stone damage and categorization. Corrosion mechanisms of marble, limestone, sandstone and others, methodologies, materials and techniques that exist to deal with/rehabilitate damage.

The objectives of the course are to acquaint the students with the technology of lime mortars in practice.

Parameters affecting the mechanical characteristics and physicochemical properties of lime mortars. Design of lime mortar mixes compatible with the existing primary materials. Control and specifications. Ways to improve the technical characteristics.

How students participate:

The students undertake in groups of 2 or 3 to carry out a laboratory subject exam exemption consisting of an experimental investigation (of limited extent) on the analysis of old mortars or the influence of parameters on the properties and quality of lime mortars such as mechanical strength, porosity, shrinkage, durability after from a discussion with the person in charge of the course, delivering a report evaluating the results.

Modules and content of lectures by teacher

I. Papagianni, Assignment of topics and evaluation of laboratory topics
S. Konopissi, Lime technology, Conducting chemical analyses

Modules and content of lectures by teacher

I. Papagianni, Historical & technological development. Material distinction. Powders. Mortars. Technology. Characteristics. Register. Examples of material analysis
I. Papagianni, Intervention material planning methods
3 M. Stefanidou, Pathology of historic masonry materials

N. Andritsos, Cause and mechanisms of stone pathology. Introduction to cleaning techniques
A. Moutsatsou, Non-bearing materials: glass, paints. History, application, features. Metallic articles: types/technology of mining/processing/application, characteristics. Examples of metal analysis from old buildings
K. Theologidou, F. Athanasiou, Differentiation of interventions. Determination of technical characteristics of intervention materials. Application instructions – Stone maintenance. Examples.

Basic Bibliography

Toraca, G., Porous Building Materials, ICCROM Editions.
Building Materials Evaluation Handbook, Forrest Wilson Van Nostrand Reinold Company ISBN 0442-29325-9.

Notes and books. Bibliography
Technical Advice Notes No 1, Preparation and Use of Lime Mortars, Scottish Conservation Bureau, Edinburg, Scotland.
R.S. Boyton “Chemistry and Technology of Lime and Limestone”, J. Wiley and Sons, Inc. 1980.
J. Valek “Lime technologies of historic buildings”, editions: Ministry of Culture of Czech Republic, 2015.
L.M. Tabasso, S.Simon, “Testing methods and criteria for the selection/evaluation of products for the conservation of
porous building materials”, Reviews in Conservation 7, 2006.

Evaluation

Exercise 10%, exam 90%