Alkaline cement mortars. Chemical resistance to sulfate and seawater attack
DOI:
https://doi.org/10.3989/mc.2002.v52.i267.326Keywords:
alkaline cement mortars, alkali activated slag cements, durability, sulfate and sea water attackAbstract
The durability and chemical resistance of alkali activated slag and fly ash/slag mortars in contact with sulfates and seawater media have been studied. Two methods were used in the evaluation of such durability: Kock-Steinegger and ASTM C1012. A mineralogical and a microstructural characterization of mortars were done at different ages of their conservation in aggressive media through XRD, SEM/ EDX and mercury porosimetry. Results showed a high durability of activated cement mortars in sulfates and seawater media. NaOH activated mortars are the most sensitive to environment attack with formation of expansive products as gypsum and ettringite, although in very low proportion.
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Published
2002-09-30
How to Cite
Puertas, F., Gutiérrez, R., Fernández-Jiménez, A., Delvasto, S., & Maldonado, J. (2002). Alkaline cement mortars. Chemical resistance to sulfate and seawater attack. Materiales De Construcción, 52(267), 55–71. https://doi.org/10.3989/mc.2002.v52.i267.326
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Research Articles
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