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Microcracking and strength development of alkali activated slag concrete
Open accessAbstract
Abstract Alkali activated slag concrete (AASC) is made by activating ground granulated blast furnace slag with alkalis without the use of any Portland cement. This study investigates the level of microcracking which occurs in AASC when subjected to various types of curing regimes. The corresponding compressive strength developments of AASC were monitored. The level of microcracking were measured using three different types of tests: (1) frequency and size of surface cracks using crack-detection microscope (2) water sorptivity tests measuring absorption of water by capillary attraction and (3) mercury intrusion porosimetry (MIP) tests which measured the pore size distribution of AASC and AAS pastes (AASPs). The results show that the lack of moist curing of AASC increased the level of microcracking measured using all three different tests mentioned above. The strength development of AASC is also significantly reduced by lack of moist curing.
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Cited by
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Van Deventer, J. S. J., Provis, J. L., & Duxson, P. (2012) · Minerals Engineering · doi:10.1016/j.mineng.2011.09.009 · Cited by 820
Influence of activator on the strength and drying shrinkage of alkali-activated slag mortar
Duran Atiş, C., Bilim, C., Çelik, Ö., & Karahan, O. (2009) · Construction and Building Materials · doi:10.1016/j.conbuildmat.2007.10.011 · Cited by 658
Durability of Alkali‐Activated Materials: Progress and Perspectives
Bernal, S. A., & Provis, J. L. (2014) · Journal of the American Ceramic Society · doi:10.1111/jace.12831 · Cited by 547
Bernal, S. A., Mejía de Gutiérrez, R., & Provis, J. L. (2012) · Construction and Building Materials · doi:10.1016/j.conbuildmat.2012.01.017 · Cited by 455
Long-term durability properties of geopolymer concrete: An in-depth review
Amran, M., Al-Fakih, A., Chu, S. H., Fediuk, R., Haruna, S., Azevedo, A., & Vatin, N. (2021) · Case Studies in Construction Materials · doi:10.1016/j.cscm.2021.e00661 · Cited by 280
Metadata
- Authors
- Collins, F., & Sanjayan, J. G.
- Venue
- Cement and Concrete Composites
- Publisher
- Elsevier BV
- Published
- 2001-08
- Volume
- 23
- Issue
- 4-5
- Pages
- 345-352
- ISSN
- 0958-9465 (ISSN-L)
- OpenAlex
- W1976532380
- Cited by
- 316
- References
- 0
- FWCI
- 3.74
- Type
- journal article
- Language
- en
- Open access
- green
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- Collins, F., & Sanjayan, J. G. (2001). Microcracking and strength development of alkali activated slag concrete. Cement and Concrete Composites. https://doi.org/10.1016/s0958-9465(01)00003-8
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