tailieunhanh - Effect of fly ash on shrinkage of self- compacting concrete using restrained ring test

In this paper, the mixture design of the self-compacting concrete with strength grade of 60 MPa is performed with requirement that the workability satisfies the slump flow, T500 and the V-Funnel TV test range from 650 to 800 mm, from 2 to 5 s and from 6 to 12 s, respectively. Besides, fly ash is used to replace cement with content of 15%, 25%, 35% and 50% to evaluate shrinkage resistance. The obtained results showed that using fly ash contents from 25% to 35% to replace cement can ensure workability of the mixture together with high degree of shrinkage restraint. | Effect of fly ash on shrinkage of self- compacting concrete using restrained ring test

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