Study on Influence of Composite Ultra-Fine Fly Ash on Crack Resistance of Pavement Concrete

Qi Tao Qin; Yi Jin Li

doi:10.4028/www.scientific.net/AMM.204-208.3686

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Study on Influence of Composite Ultra-Fine Fly Ash...

Study on Influence of Composite Ultra-Fine Fly Ash on Crack Resistance of Pavement Concrete

Abstract:

The crack resistance evaluation indexes of concrete were chosen, which were used to study the influence of ultra-fine fly ash on the crack resistance of pavement concrete. The concrete flat test was made to testify the concluded law. The test results show that composite ultra-fine fly ash improves the crack resistance of pavement concrete. The main reason is that it reduces the elastic modulus and drying shrinkage of concrete and improves the ultimate tensile deformation capacity.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

3686-3690

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.3686

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Online since:

October 2012

Authors:

Qi Tao Qin, Yi Jin Li

Keywords:

Composite Ultra-Fine Fly Ash, Crack Resistance, Pavement Concrete, Replacement

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References

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