Research on the Working Performance of Self-Compacting Concrete at Different Substitution Rates of Iron-Tailings

Pei Xiang He; Bing Liu; Sheng Hu

doi:10.4028/www.scientific.net/AMR.1065-1069.1930

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1065-1069Research on the Working Performance of...

Research on the Working Performance of Self-Compacting Concrete at Different Substitution Rates of Iron-Tailings

Abstract:

In this paper, iron-tailings was substituted for natural sand in self-compacting concrete(SCC). Iron-tailings SCC mix proportioning design at different substitution rates were made. Slump,slump-flow, the time T500(S) of the slump-flow reaching 500mm, J-ring test, U-flow test were used to evaluate the iron-tailings SCC mixture working performances at different substitution rates, which contrast to the common SCC working performances. Through the experimental results and their variation regulations, taking the single working performance into consideration,a reasonable range about the substitution rate of iron-tailings is obtained.

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Periodical:

Advanced Materials Research (Volumes 1065-1069)

Pages:

1930-1933

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1065-1069.1930

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Online since:

December 2014

Authors:

Pei Xiang He*, Bing Liu, Sheng Hu

Keywords:

Different Substitution Rate of Iron-Tailings, Working Performance

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References

[1] Wei Tang, Experimental study of high-strength self-compacting concrete, Journal of Scientific research in Sichuan building, 2005, p.221. In Chinese.

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[2] CECS203-2006"Technical specification for application of self-compacting concrete". In Chinese.

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[3] Regulations of the mix proportion design of ordinary concrete". (JGJ55-2001). In Chinese.

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[4] Lihua Chen, Yanhua Ye, Hanliang Miu and Yanjing Du, Working performance tests on self-compacting concrete, Journal of Nanjing University of Technology, 2008, pp.58-59. In Chinese.

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