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논문 기본 정보

자료유형
학술저널
저자정보
Xudong Chen (Hohai University) Dandan Shi (Hohai University) Nan Shen (Hohai University) Shengtao Li (Hohai University) Saisai Liu (Hohai University)
저널정보
한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.13 No.1
발행연도
2019.1
수록면
129 - 141 (13page)

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초록· 키워드

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As a solid pollutant, the recycled aggregate can be reused to replace the natural aggregate to cast pervious concrete, promoting resource recycling and reducing environmental pollution. Pervious concrete is usually applied to transportation engineering as pavements and decks, which are often subjected to fatigue loads in service. Therefore, it is essential to investigate the fatigue mechanical properties of pervious concrete. In this study, four-point cyclic bending loading test of natural aggregate pervious concrete and recycled aggregate pervious concrete were conducted under four different stress levels. By analyzing the experimental results, the mechanical performances, including hysteresis curve characteristics, damping ratio, dynamic elastic modulus and cyclic strain, of two kinds of pervious concrete under cyclic loading were revealed. Based on the improved EPF model, the relationship between fracture parameters, plastic strain and unloading strain were obtained. Besides, the relationship between the loading cycles and the ratio of plastic strain to unloading strain was received according to fatigue testing data under different stress levels. Further, the simplified fatigue model of pervious concrete was proposed and the experimental data was fitted with the model results. The fitting result reached a good agreement.

목차

Abstract
1. Introduction
2. Experimental Work
3. Experimental Results and Analysis
4. Fatigue Life Prediction Model
5. Conclusions
References

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