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Title: Performance and microstructure of MgO-SiO2 concrete under different environments
Authors: Sonat Cem
Teo W. W.
Unluer Cise
Keywords: Engineering::Civil engineering
Issue Date: 2018
Source: Sonat, C., Teo, W. W., & Unluer, C. (2018). Performance and microstructure of MgO-SiO2 concrete under different environments. Construction and Building Materials, 184, 549–564. doi:10.1016/j.conbuildmat.2018.07.032
Journal: Construction and Building Materials
Abstract: This study investigated the changes in the performance and microstructure of MgO-SiO2 concrete under exposure to different environments involving carbonation, NaCl, MgCl2 and MgSO4 solutions for up to 180 days. Compressive strength results were compared to Portland cement (PC)-based concrete samples subjected to the same environments. Microstructural analysis performed via FESEM, XRD and TG/DTG indicated a lack of change in the composition of MgO-SiO2 samples. The sustained mechanical performance and the clear presence of hydrate phases such as brucite and M-S-H even after longer exposures highlighted the resistance of MgO-SiO2 formulations and their potential to be utilized in structural applications.
ISSN: 0950-0618
Rights: © 2018 Elsevier Ltd. All rights reserved. This paper was published in Construction and Building Materials and is made available with permission of Elsevier Ltd.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:CEE Journal Articles

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