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학술저널
저자정보
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대한토목학회 KSCE JOURNAL OF CIVIL ENGINEERING KSCE JOURNAL OF CIVIL ENGINEERING Vol.10 No.1
발행연도
2006.1
수록면
9 - 14 (6page)

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Laboratory models for fatigue cracking and permanent deformation growth are validated using the response and performance measured from asphalt pavements with different air void contents under the third scale Model Mobile Loading Simulator (MMLS3). The fatigue life prediction algorithm is developed based on a cumulative damage concept and the algorithm for permanent deformation prediction involves a sub-layering method, dividing a pavement layer into several artificial layers for analysis. These algorithms account for the effects of applied loading rate and temperature variation along the pavement depth. The difference in loading frequencies between the laboratory experiments and the MMLS3 test was taken care of using the time-temperature superposition principle with growing damage. The proposed methodology is found to be reasonable in predicting fatigue life and permanent deformation growth in the MMLS3 tests. It is found that the resulted alliance among the accelerated pavement test, laboratory test, and performance models could serve as a foundation for the successful estimation of pavements' service life in the future.

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Abstract
1. Introduction
2. Materials and Specimen Preparation
3. Accelerated Pavement Testing using the MMLS3
4. Laboratory Performance Prediction Models
5. Performance Prediction Methods
6. Conclusions
Acknowledgements
References

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