Effect of Nano Materials on Durability of High Performance Concrete

Abstract:

The aim of this study was to study the effect of nanoSiO₂ on durability of high performance concrete. Four different nanoSiO₂ contents (1%, 2%, 3% and 4%) were used. The results indicate that the content of nanoSiO₂ has great effect on the durability of high performance concrete. With the increase of nanoSiO₂ content, both of the length of water permeability and the carbonation depth of concrete are decreasing gradually, and the water impermeability and the carbonation resistance of concrete are increasing gradually. However, with the increase of nanoSiO₂ content, there is a tendency of increase on the dry shrinkage strain of 90 days of high performance concrete, and the anti-dry-shrinkage cracking property of concrete is decreasing.

• Periodical: Advanced Materials Research (Volume 742)
• Pages: 220-223
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.742.220
• Online since: August 2013
• Authors: Yu Xi An
• Keywords: Durability, High-Performance Concrete (HPC), Nanomaterial

References

[1] R.H. Yang, W.X. Lu and S.H. Yu, et al. : J. Chongqing Jianzhu Univ. Vol. 29 (2007), p.144

[2] H.J. Yan: New Build. Mater. Vol. 35 (2008), p.32

[3] M.F. Fu, J.G. Xiong and G.Q. Song: Eng. Mech. Vol. 21 (2004), p.48

[4] S.L. Colston, D. O'Connor and P. Barnes, et al. : J. Mater. Sci. Lett. Vol. 19 (2000), p.1085

[5] G.Y. Li: Cem. Concr. Res. Vol. 34 (2004), p.1043

[6] B.K. Marsh, R.L. Day and D.G. Bonner: Cem. Concr. Res. Vol. 15 (1985), p.1027

[7] C.M. Tam, V.W.Y. Tam and K.M. Ng: Constr. Build. Mater. Vol. 26 (2012), p.171

[8] B.B. Das, S.K. Rout and D.N. Singh, et al. : Indian Concr. J. Vol. 86 (2012), p.7

[9] JTG E30-2005: Test methods of Cement and Concrete for Highway Engineering (China Communications Press, Beijing, 2005).

[10] GB 11974: Test method for carbonation of aerated concrete. (Standards Press of China, Beijing, 1997).