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Reactivity of laser-cleaned stones to a SO<sub>2</sub> ageing test

Materiales de Construccion. 2004;54(273):45-56

 

Journal Homepage

Journal Title: Materiales de Construccion

ISSN: 0465-2746 (Print); 1988-3226 (Online)

Publisher: Consejo Superior de Investigaciones Científicas

LCC Subject Category: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials

Country of publisher: Spain

Language of fulltext: English, Spanish

Full-text formats available: PDF, HTML, XML

 

AUTHORS


Alonso, F.J.

Esbert, R.M.

Ordaz, J.

GROSSI, C.M.

EDITORIAL INFORMATION

Double blind peer review

Editorial Board

Instructions for authors

Time From Submission to Publication: 48 weeks

 

Abstract | Full Text

In order to study the reaction or susceptibility of Nd:YAG laser cleaned stones to polluted atmospheres, several types of stone, both cemented (limestone) and crystalline (marble, granite), were exposed to an atmosphere having simulated SO<sub>2</sub> pollution. The subsequent effects on the specimens were assessed for variations in surface morphology, weight and colour The main conclusion is that the application of laser irradiation to the selected stone specimens does not significantly influence their reaction to sulphur dioxide<br><br>Con el fin de estudiar la reactividad o susceptibilidad frente a un ambiente contaminado de piedras limpiadas con radiación láser Nd:YAG, se ha sometido una serie de materiales rocosos cementados (calizas) y cristalinos (mármol, granito) a un ensayo de exposición a atmósfera concentrada en dióxido de azufre. Los efectos producidos en las muestras ensayadas se han valorado en función de las variaciones en la morfología superficial, en el peso y en el color. Se concluye que la aplicación de radiación láser a las muestras de piedra seleccionadas no influye, de manera significativa, en la reactividad de éstas frente al dióxido de azufre.