Research on the Applicability and Property of Iron Tailing to Produce Autoclaved Concrete

Abstract:

Tailings use is an important environment program and also society subject. Iron tailing is an environmental pollution resources, but it can be used to produce autoclaved aerated concrete (AAC). The chemical composition of iron tailing and the mineral compositions were analyzed by XRD test. The content of radioactive substance in iron tailing was also tested. The testing results show that the iron tailing meet the requirment for AAC production. Iron tailing was sieved to analyze the gradation and was milled by the ball grinding mill machine to proper fineness. Based on the given material mixing ratio, sample test showed that the density of AAC varies from 438 to 629 kg m^-3 with different finenesses of iron tailing, and the height ratio of final height to casting height of AAC changes with the finenesses of iron tailing. The research findings have important lessons for the production of aerated concrete with tailing.

• Periodical: Applied Mechanics and Materials (Volumes 357-360)
• Pages: 982-985
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.357-360.982
• Online since: August 2013
• Authors: Ren Juan Sun, Da Wei Huang, Mao Zheng Li, Shan Shan Wei, Zhi Qin Zhao, Zhi Ge
• Keywords: Autoclaved Aerated Concrete, Density, Height Ratio, Irontailing

References

[1] Wang, Fang. On the Theory Aerated Concrete with Low-silicon Tailing in high temperature and stress condition [D]. 2003: 1-4.

[2] Hu, De. Yong. The performance research of non-autoclaved ceramist enhance aerated concrete [D]. 2010: 35-37.

[3] Kiss Gina Kopf. Aerated concrete products technology research[M]． Bei Jing: China Building Industry Press, 1981: 201-208.

[4] Wang, Xiu. Fen Aerated concrete performance and optimization of experimental research[D]. 2006: 53-57.

[5] Zhang, Ji. Neng and Gu, Tong. Zeng. Aerated concrete production process. Wuhan [M]. Wuhan University of technology press. 1992: 203-207.