The conservation of historic monuments, sites and structures constitutes an inter-professional discipline co-ordinating a range of aesthetic historic, scientific and technical methods. Conservation is a rapidly developing field, which, by its true nature, is a multidisciplinary activity with experts respecting one another's contributions and combining to form an effective team. Conservation is an artistic activity aided by scientific and historical knowledge. Main topics at this Congress included:
- the most appropriate methodology for the assessment of the degree of weathering of stone
- development of new methods and instruments for the diagnosis of the state of conservation, for the study of alteration mechanisms and for conservation treatments.
- the definition of Technical European Standard Methods for the evaluation of conservation treatments of artistic and historic stone objects and monuments.

Table of Contents

Theme 1 - Weathering of natural stone: causes, mechanism and measurement of stone damage. Restoration of the historical brick masonry (Bajare D., Svinka V.). Comparative study of different methods for gap filling applications and use of adhesives on the biocalcarenite surfaces of the "Tempio della Concordia" in Agrigento (Bennardo C., Meli P., Biscontin G., Berlucchi N., Ginanni Corradini R., Mattolin F.). Grodener sandstone, a historical building material in south Tyrol/Italy - The problem of large variability of stone properties for monument conservation. (Franzen C., Mirwald P.). Evaluation of materials used in the replacement of sculptures in historical monuments (Boutin F,. Bromblet P.). White granites used in lombard architecture (Bugini R., Pavese A., Borroni S., Folli L.). A research into intrinsic parameters material to the durability of highly porous building stones (Calia A., Mecchi A. M., Quarta G.). Preliminary contribution on durability of some macroporous monumental stones used in historical towns of Campania Region, Southern Italy (Langella A., Calcaterra D., Cappelletti P., Colella A., de' Gennaro M., de Gennaro R.). Durability of tuffeau stone in buildings: influence of mineralogical composition and microstructural properties (Dessandier D., Bromblet P., Mertz J-D.). Water-rock interaction and monuments stone decay: the case of Basilica da Estrela, Portugal (Figueiredo A. M. C., Marques J.M., Mauricio A.M., Aires-Barros L.). Analyses of the physical parameters correlated to bending phenomena in marble slabs (Garzonio C. A., Fratini F., Manganelli del Fa C., Giovannini P., Cavallucci F.). Geoegyptology of Al-Muzawaka tombs, Dakhla oases, Egypt (Helmi F. M.). Thermal stress and weathering of Carrara, Pentelic and Ekeberg marble (Lindborg U., Dunakin R. C., Rowcliffe D. J.). Weathering of runestones in a millenian perspective (Lofvendahl R., Gustavson H., Lundberg B.A.). Petrophysical analysis of the sculptures decay at the


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© 2000
Elsevier Science
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