Weathering of dolomite in industrial environments |
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Authors: | K Lal Gauri Sanjeev S Tambe Emine N Caner-Saltik |
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Institution: | (1) Department of Geology, University of Louisville, 40292 Louisville, Kentucky, USA;(2) Restoration Science Branch Department of Architecture, Middle East Technical University, 06531 Ankara, Turkey |
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Abstract: | To the exclusion of other major atmospheric pollutants, sulfur dioxide is mainly responsible for attack upon dolomite. This article characterizes Laurel Dolomite on the basis of composition, texture, and porosity; describes the mechanism of the SO2 reaction with dolomite; and develops two equations for the prediction of the rate of decay of dolomite. Over a period of 120 yr nearly 3.57 mm surface reduction at protected areas and 0.915 mm surface reduction at unprotected surfaces of a building in Louisville was calculated. However, these values could not be verified because measurement of these quantities in the field cannot be made.Dr. Caner-Saltik worked at the University of Louisville during her sabbatical leave from Middle East Technical University, Ankara, Turkey from September 1989 to August 1990 as a Fulbright scholar. |
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