Research on Frost Resistance of Recycled High Performance Concrete

Chun Hong Chen; Ping Hua Zhu; Jun Yong Wu; Lei Yi

doi:10.4028/www.scientific.net/AMM.584-586.1456

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 584-586Research on Frost Resistance of Recycled High...

Research on Frost Resistance of Recycled High Performance Concrete

Abstract:

The influence of recycled aggregates on the frost resistance of concrete was studied by rapid freezing-thawing test. Results showed that there was an important effect of aggregate gradation on frost resistance of recycled coarse aggregate concrete. Frost resistance of recycled fine aggregate concrete was deteriorated with increasing the content of recycled fine aggregate, and recycled fine aggregate had a greater influence on the frost resistance of recycled aggregate concrete than recycled coarse aggregate when adding both together. Test showed that the mass loss rate and the relative dynamic elastic modulus loss are not consistent as evaluation indexes of the frost resistance for recycled concrete, and whether the mass loss rate is suitable as an indicator of frost resistance durability needs to be further studied.

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Periodical:

Applied Mechanics and Materials (Volumes 584-586)

Pages:

1456-1460

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.584-586.1456

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Online since:

July 2014

Authors:

Chun Hong Chen*, Ping Hua Zhu, Jun Yong Wu, Lei Yi

Keywords:

Frost Resistance, Mass Loss, Rapid Freezing-Thawing Test, Recycled Aggregate Concrete, Relative Dynamic Modulus

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* - Corresponding Author

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