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Macro- and Micro- Non Destructive Tests for Environmental Impact Assessment on Architectural Surfaces

Published online by Cambridge University Press:  26 February 2011

A. Moropoulou ,
M. Koui ,
Th. Tsiourva ,
Ch. Kourteli  and
D. Papasotiriou
A. Moropoulou
Affiliation:
Materials Science and Engineering Section, National Technical University of Athens, 9, Iroon Polytechniou St., Zografou 157–73, Athens, Greece, amoropul@central.ntua.gr
M. Koui
Affiliation:
Materials Science and Engineering Section, National Technical University of Athens, 9, Iroon Polytechniou St., Zografou 157–73, Athens, Greece, amoropul@central.ntua.gr
Th. Tsiourva
Affiliation:
Materials Science and Engineering Section, National Technical University of Athens, 9, Iroon Polytechniou St., Zografou 157–73, Athens, Greece, amoropul@central.ntua.gr
Ch. Kourteli
Affiliation:
Materials Science and Engineering Section, National Technical University of Athens, 9, Iroon Polytechniou St., Zografou 157–73, Athens, Greece, amoropul@central.ntua.gr
D. Papasotiriou
Affiliation:
Materials Science and Engineering Section, National Technical University of Athens, 9, Iroon Polytechniou St., Zografou 157–73, Athens, Greece, amoropul@central.ntua.gr
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Abstract

Several non destructive techniques are recently applied to assess and evaluate weathering damages. In the present work several macro- and micro- non destructive tests, have been employed, in the Fortress of the Medieval City of Rhodes, for the examination of the weathering: Digital Image Processing for the mapping of the decay patterns, Fibre Optics Microscopy for the examination of the morphological characteristics of the surface, and Infra Red Thermography for the assessment of the humidity distribution within the masonries and the degradation of the stone texture. The results of the above methods are supported by porosity and humidity measurements regarding the evaluation of the microstructural characteristics of the stone and the water percolation within the masonry. It is proved that these three methods can be combined into a reliable assessment tool concerning environmental impact on architectural surfaces and particularly in the form of a thorough characterization of the materials degradation.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 462: Symposium DD – Materials Issues in Art and Archaeology V , 1996 , 343
Copyright
Copyright © Materials Research Society 1997

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References

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