Influence of Material Properties on Hydraulic Conductivity and Strength of Aggregates Used for Pavement Base

Fu Ming Liu; Duan Yi Wang

doi:10.4028/www.scientific.net/AMR.446-449.2641

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Influence of Material Properties on Hydraulic...

Influence of Material Properties on Hydraulic Conductivity and Strength of Aggregates Used for Pavement Base

Abstract:

The hydraulic conductivity and strength of several aggregates (limestone, gravel and recycled concrete) are very important for pavement base construction. To study the influence of fines content on hydraulic conductivity and strength, constant/falling head permeability and CBR tests were performed. The results show that hydraulic conductivity exponentially decreases as fines content increases. Their values were also found to vary significantly as a function of aggregate type, gradation, and density. Particle degradation of recycled concrete aggregates is higher than crushed limestone and gravel, which leads to lower hydraulic conductivity values.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

2641-2645

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.2641

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Online since:

January 2012

Authors:

Fu Ming Liu, Duan Yi Wang

Keywords:

Aggregates, Hydraulic Conductivity, Laboratory Test, Pavement Base, Strength

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References

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