Studies on degradation of lime mortars in atmospheric simulation chambers

Journal Article · Thu May 01 00:00:00 EDT 1997 · Cement and Concrete Research

DOI:https://doi.org/10.1016/S0008-8846(97)00065-3· OSTI ID:511992

Martinez-Ramirez, S; Puertas, F; Blanco-Varela, M T ^[1]; Thompson, G E ^[2]

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1. CSIC, Madrid (Spain). Inst. de Ciencias de la Construccion Eduardo Torroja
2. UMIST, Manchester (United Kingdom). Corrosion and Protection Centre

It is well known that the presence of pollution increases the degradation of some building materials. In order to understand the influence of individual pollutants as well as the role of oxidants and water in lime mortar degradation, those materials have been exposed in atmospheric simulation chambers. According to the pollutants used in the chambers (NO, NO{sub 2} and SO{sub 2}), NO{sub 2}{sup {minus}} and NO{sub 3}{sup {minus}} or SO{sub 3}{sup 2{minus}} and SO{sub 4}{sup 2{minus}} have been analyzed and related with the reaction between the lime mortar and the pollutant. The reactivity order of the different pollutant (NO, NO{sub 2} and SO{sub 2}), in presence and absence of water and/or oxidant has been determined.

• OSTI ID: 511992
• Journal Information: Cement and Concrete Research, Vol. 27, Issue 5; Other Information: PBD: May 1997
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
54 ENVIRONMENTAL SCIENCES
MORTARS
CORROSION
AIR POLLUTION
NITRIC OXIDE
NITROGEN DIOXIDE
SULFUR DIOXIDE
NITRITES
NITRATES
SULFITES
SULFATES
CORROSIVE EFFECTS