Effects of Accelerated Carbonation on Physical Properties of Mortar

Title
Effects of Accelerated Carbonation on Physical Properties of Mortar
Author(s)
형원길유기표[유기표]정효석[정효석]
Keywords
CONCRETE
Issue Date
201401
Publisher
ARCHITECTURAL INST JAPAN
Citation
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING, v.13, no.1, pp.217 - 221
Abstract
Carbonation has been considered as a deterioration factor in concrete because it reduces the pH of concrete from between 12.6 and 13.5 to about 9. However, carbonation can have some positive consequences. Because CaCO3 occupies a greater volume than Ca(OH)(2), which it replaces, the porosity of carbonated concrete decreases. On the other hand, carbonation turns bound chloride into free chloride. The results verify that carbonation has some beneficial effects by enhancing compressive strength and volume safety and reducing permeability and chloride ion penetration. In general, carbonation enhances concrete performance.
URI
http://hdl.handle.net/YU.REPOSITORY/33443
ISSN
1346-7581
Appears in Collections:
건축학부 > 건축학부 > Articles
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