Study of In Situ Mechanical Response of Asphalt Concrete Pavement with Granular Base

Peng Shen

doi:10.4028/www.scientific.net/AMM.405-408.1891

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 405-408Study of In Situ Mechanical Response of Asphalt...

Study of In Situ Mechanical Response of Asphalt Concrete Pavement with Granular Base

Abstract:

As elastic modulus of unbounded granular materials is strongly influenced by stress level, pavement structure parameters must be taken into account in its modulus determination. It is found that the backcalculated modulus of granular base vary according to the layer on which FWD is tested, which verifies the fact that unbounded granular materials is strongly influenced by stress level. And an earth pressure cell that is applied to acquire compressive stress conducting to granular base course when the pavement is subjected to vehicle load is buried on the top of granular base course. The backcalculated modulus is then applied to analyze mechanical response of the pavement by 3D finite element method. At last, the calculated result is compared to the dynamic response acquired in-situ by earth pressure cell.

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Periodical:

Applied Mechanics and Materials (Volumes 405-408)

Pages:

1891-1895

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.405-408.1891

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Online since:

September 2013

Authors:

Peng Shen*

Keywords:

Asphalt Concrete Pavement, Granular Base, In Situ, Mechanical Response, Road Engineering

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* - Corresponding Author

References

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