Effectiveness of Steel Slag Powder on Suppressing Alkali Aggregate Reaction of Concrete

Abstract:

Concrete properties can be greatly improved with the advanced mineral admixtures such as steel slag powder. Used in combination with Super-plasticizer admixture, steel slag powder can lead to economical high performance concrete with enhanced durability and reduced cement content. The effectiveness of steel slag powder on suppressing Alkali Aggregate Reaction is analyzed. The effectiveness of steel slag powder on suppressing AAR expansion was assessed using the method of ASTM C441 and accelerated test method. Results show that mineral admixtures with steel slag powder as partial replacement for Portland cement in concrete is an effective means for controlling expansion due to AAR. At most a 50% decrease in expansion rate of mortar bars can be found.

• Periodical: Advanced Materials Research (Volumes 79-82)
• Pages: 179-182
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.79-82.179
• Online since: August 2009
• Authors: Yun Feng Li, Shu Ai Liu, Rong Qiang Du, Fan Ying Kong
• Keywords: Accelerated Test, Alkali-Aggregate Reaction (AAR), Concrete, Durability, Steel Slag Powder

References

[1] S.S. Sun, G.L. Zhu and Y. Zhang: China Waste Steel, Vol. 4 (2007), p.21.

[2] I.A.K. Muhammad and R. Emmanuel, in: Proceeding of International Conference on Advances in Cement Based Materials and Applications in Civil Infrastructure (ACBM-ACI), edited by S.A. Rizwan and A. Ghaffar, A-One Publishers, Lahore-Pakistan (2007).

[3] H. Zhu, Q.J. Ding and Y.Z. Peng: Journal of Wuhan University of Technology, Vol. 27 (2005), p.40.

[4] T.C. Liu, H.M. Yang: Metal Mine, Vol. 41 (2006), p.8.

[5] J.Y. Sun, C.H. Huang: New Building Materials, Vol. 20 (2004), p.13.