Resistance of alkali-activated slag concrete to carbonation

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/213412

Title: Resistance of alkali-activated slag concrete to carbonation
Author(s): Bakharev, T.; Sanjayan, J. G.; Cheng, Y. B.
Abstract: This paper presents an investigation into durability of alkali-activated slag (AAS) concrete exposed to carbonation. Two tests were used which simulated exposure of AAS concrete to carbonated solution and to atmosphere high in carbon dioxide. These tests involved immersion of the concrete in 0.352 M sodium bicarbonate solution, and exposure to atmosphere with 10-20% of CO2 at 70% relative humidity. It was found that the resistance of AAS concrete to carbonation was lower than that of ordinary Portland cement (OPC) concrete, and AAS concrete had higher strength loss and depth of carbonation than OPC concrete in both tests.
Publication type: Journal article
Source: Cement and Concrete Research, Vol. 31, no. 9 (Feb 2001), pp. 1277-1283
Publication year: 2001
FOR Code(s): 0905 Civil Engineering; 1202 Building
Keyword(s): Alkali activated slag concrete; Alkali-activated cement; Atmospheric humidity; Carbon dioxide; Carbonation; Concretes; Durability; Ground-granulated blast-furnace slag; Portland cement; Slags; Sodium compounds
Publisher: Elsevier
ISSN: 0008-8846
Publisher URL: http://dx.doi.org/10.1016/s0008-8846(01)00574-9
Peer reviewed