Educational Linkage Approach In Cultural Heritage Prof. Antonia Moropoulou - NTUA National Technical University of Athens Educational Toolkit Knowing the built heritage Module 2 Basic Course Exercises Exercise 2.8.C The use of infrared thermography to assess compatibility of building materials: The cases of Hagia Sophia and the Venetian Fortifications of Herakleon Prof. Antonia Moropoulou - NTUA National Technical University of Athens Copyright ELAICH Beneficiaries This material is an integral part of the ELAICH educational toolkit and developed as part of the project ELAICH Educational Linkage Approach in Cultural Heritage within the framework of EuroMed Cultural Heritage 4 Programme under grant agreement ENPI All rights reserved to the ELAICH Beneficiaries. This material, in its entirety only, may be used in "fair use" only as part of the ELAICH educational toolkit for the educational purposes by non-profit educational establishments or in self-education, by any means at all times and on any downloads, copies and or, adaptations, clearly indicating ELAICH Beneficiaries and making reference to these terms. Use of the material amounting to a distortion or mutilation of the material or is otherwise prejudicial to the honor or reputation of ELAICH Beneficiaries is forbidden. Use of parts of the material is strictly forbidden. No part of this material may be: (1) used other than intended (2) copied, reproduced or distributed in any physical or electronic form (3) reproduced in any publication of any kind (4) used as part of any other teaching material in any framework; unless prior written permission of the ELAICH Beneficiaries has been obtained. Disclaimer This document has been produced with the financial assistance of the European Union. The contents of this document are the sole responsibility of the ELAICH Consortium and can under no circumstances be regarded as reflecting the position of the European Union. Educational Linkage Approach In Cultural Heritage The porous structure of materials and the study of their compatibility in relation to water and soluble salts transport phenomena Prof. Antonia Moropoulou 3 THE USE OF INFRARED THERMOGRAPHY (IRT) TO ASSESS COMPATIBILITY OF BUILDING MATERIALS Prof. Antonia Moropoulou 4 COMPATIBLE REPAIR MORTARS FOR THE EARTHQUAKE PROTECTION OF HAGIA SOPHIA Prof. Antonia Moropoulou 5 RERAIR MORTARS SYNTHESES . AERIAL LIME MORTAR BINDING MATERIAL: LIME PUTTY . HYDRAULIC MORTARS HYDRAULIC LIME MORTARS MORTARS WITH POZZOLANIC MORTARS a) Lime Putty (25%) Ceramic Fragments (37.5%) - Sand (37.5%) b) Lime Putty (20%) Ceramic Powder (10%) Sand (31,5%) Ceramic Fragments (38,5%) c) Hydraulic Lime (25%) Ceramic Fragments (37.5%) - Sand (37.5%) Moropoulou, A., Bakolas, A., Moundoulas, P., Aggelakopoulou, E., Anagnostopoulou, S., 2001 Prof. Antonia Moropoulou 6 STONE (ST1)HYDRAULIC MORTAR (HLS1)CEMENT MORTAR (CS1)LIME MORTAR (LS1) WATER ABSORPTION TESTS COMBINED WITH INFRA RED THERMOGRAPHY MONITORING Prof. Antonia Moropoulou 7 The systems with lime and hydraulic mortars present compatibility with the reference stone during evaporation, while the system with cement mortar present incompatible behavior and different levels of humidity concentration during evaporation (monitoring with infra red thermography) STONE LIME MORTAR STONE SYSTEM (SP1) STONE CEMENT MORTAR STONE SYSTEM (SP3) STONE HYDRAULIC MORTAR STONE SYSTEM (SP2) Moropoulou, Moundoulas, Avdelidis, Bakolas 2003 Prof. Antonia Moropoulou 8 VENETIAN FORTIFICATIONS OF HERAKLION Prof. Antonia Moropoulou 9 Venetian Fortifications of Heraklion Presentation of the sampling points 1: 2: Stadium 3: Basket 4: St. Andrews Moropoulou, Koui, Avdelidis et. alls Galati, Koui, Moropoulou, Delegou, 2000 Moropoulou, Delegou 2003 Prof. Antonia Moropoulou 10 Venetian Fortifications of Heraklion GIS presentation of sampling points with respective IR thermographs Moropoulou, Koui, Avdelidis et. alls Galati, Koui, Moropoulou, Delegou, 2000 Moropoulou, Delegou 2003 Prof. Antonia Moropoulou 11 The cementitious repair mortars are attributed with hot colors (higher T) The building stones are attributed with cold colors (lower T) The difference in temperature distribution between the masonry materials indicates different humidity distribution and incompatibility of the cementitious repair mortars with the historic building materials Prof. Antonia Moropoulou 12