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Exposure tests of concrete in highly aggressive environment



Title: Exposure tests of concrete in highly aggressive environment
Author(s): Z. Shui, S. Wang, G. Wang
Paper category : conference
Book title: International Conference on Microstructure Related Durability of Cementitious Composites
Editor(s): W. Sun, K. van Breugel, C. Miao, G. Ye and H. Chen
Print-ISBN: 978-2-35158-065-3
e-ISBN: 978-2-35158-084-4
Publisher: RILEM Publications
Publication year: 2008
Pages: 1465 - 1471
Total Pages: 7
Nb references: 8
Language: English


Abstract: Results of exposure tests of concrete containing different mineral admixtures in highly aggressive (large temperature difference and saline-alkaline soil) environment are presented in this study. The effect of material compositions on the corrosion resistance of concrete is investigated. Porosity of concrete samples and the interfacial transition zone are analyzed with Mercury intrusion porosimetry, scanning electron microscope and microhardness test. It is shown that the addition of mineral admixture can greatly refine the pore structure of concrete and decrease its connectivity. The corrosion resistance and durability of concrete structures are thus enhanced.


Online publication: 2009-06-09
Publication type : full_text
Public price (Euros): 0.00