Ruan, S. and Unluer, C. (2017) Effect of air entrainment on the performance of reactive MgO and PC mixes. Construction and Building Materials, 142, pp. 221-232. (doi: 10.1016/j.conbuildmat.2017.03.068)
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Abstract
This study investigated the influence of air-entraining agents (AEA) on the performance and microstructure of reactive MgO cement (RMC) samples in comparison with Portland cement (PC) samples under different water contents and curing conditions. Porosity, density, workability, strength, pH and thermal conductivity measurements were supported with XRD, TGA/DSC and SEM analyses. Performance of RMC samples depended on the dense formation of carbonate phases such as nesquehonite and hydromagnesite, whereas PC samples gained strength by hydration. Introduction of AEA reduced early strength due to increased air contents. This was compensated by increased CO2 penetration, carbonation and strength gain in longer periods.
| Item Type: | Articles |
|---|---|
| Additional Information: | The authors would like to acknowledge the financial support from the Singapore MOE Academic Research Fund Tier 1 (RG 113/14) for the completion of this research project. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Unluer, Dr Cise |
| Authors: | Ruan, S., and Unluer, C. |
| College/School: | College of Science and Engineering > School of Engineering > Infrastructure and Environment |
| Journal Name: | Construction and Building Materials |
| Publisher: | Elsevier |
| ISSN: | 0950-0618 |
| ISSN (Online): | 1879-0526 |
| Published Online: | 17 March 2017 |
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