Influence of Sand Ratio on the Fluidity Properties of SCC in CRTS III Type Track System

Hai Peng Gu; Gu Hua Li; Xiao Hui Zeng; Jian Qiang Cheng

doi:10.4028/www.scientific.net/AMR.629.466

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 629Influence of Sand Ratio on the Fluidity Properties...

Influence of Sand Ratio on the Fluidity Properties of SCC in CRTS III Type Track System

Abstract:

In order to prepare SCC (self-compacting concrete) which is used as the packing layer in CRTS III type track system this paper primary researched the influence of sand ratio on its performance through experiments of the design of mix proportion. Test results show that when sand ratio is too small, the fluidity of SCC will be bad and the concrete will generate segregation and weeping. If sand ratio is too great, the workability of SCC will not be good either, but segregation will not occur again. The optimum range of sand ratio is 0.56 to 0.58 in this paper, while the range proposed by China Academy of Railway Sciences is 0.50 to 0.55.

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Periodical:

Advanced Materials Research (Volume 629)

Pages:

466-470

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.629.466

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Online since:

December 2012

Authors:

Hai Peng Gu, Gu Hua Li, Xiao Hui Zeng, Jian Qiang Cheng

Keywords:

CRTS III Type Track, Sand Ratio, SCC, Workability

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