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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.2
- 수록면
- 119 - 135 (17page)
- DOI
- 10.7782/JKSR.2023.26.2.119
이용수
초록· 키워드
오류제보하기
Designing an optimized Cement Asphalt Mortar (CAM) is essential not only for providing smoother riding quality on road pavements but also for reducing vibration and noise on railways. In producing CAM material, a crucial factor is the selection of asphalt binders with good mixing compatibility when combined with various emulsifying agents. Many emulsifying agents and corresponding modified asphalt binders have been studied and developed over the past decades to improve the material performance of the asphalt mixture. However, mechanical properties of blends of asphalt binder and emulsifying agents have not been studied or considered significantly from a perspective of application to railways. This demands a dedicated evaluation of these asphalt binder blends using various mathematical models in an attempt to design a better-performing CAM. In this paper, a rheological evaluation of asphalt binder mixed with three emulsifying agents was performed with different mathematical models, including a newly developed formulation called the C2MKP model. Dynamic Shear Rheometer (DSR) tests were conducted as experimental work. Complex modulus and phase angle results were computed; then, a corresponding master curve was generated based on different mathematical models. All the results were compared visually on a wide range of given test frequencies. It was found that modified asphalt binder can provide rheological performance similar to that of conventional asphalt binder, suggesting that modified asphalt binder can be successfully adopted in CAM production for railways.
목차
Abstract
1. Introduction
2. Research goal and approach
3. Experimental work part [1]: material preparation
4. Experimental work part [2]: testing protocol
5. Mathematical modeling part [1]: Complex modulus prediction
6. Mathematical modeling part [2]: Phase angle prediction
7. Mathematical modeling part [3]: Master curve construction
8. Data analysis
9. Summary and conclusions
References
참고문헌 (44)
참고문헌 신청
Y. Tan, J. Lv Ouyang, Y. Li (2013) Effect of emulsifier on cement hydration in cement asphalt mortar, Construction and Building Materials, 47, pp. 159-164.
M. Wang, C. Cai, S. Zhu, W. Zhai (2017) Experimental study on dynamic performance of typical nonballasted track systems using a full-scale testing, Journal of Rail and Rapid Transit, 231(4), pp.1-12.
P. Galvin, A. Romero, J. Dominguez (2010) Vibrations induced by HST passage on ballast and non-ballast tracks, Soil Dynamics and Earthquake Engineering, 30(9), pp. 862-873.
X.H. Zeng, Y.J. Xie, D.H. Deng, P. Wang, F.L. Qu (2016) A study of the dynamic mechanical properties of CRTS I type CA mortar, Construction and Building Materials, 112, pp. 93-99.
N. Sakamoto (2006) Standardization of Shinkansen slab tracks (in Japnaese), Journal of Japan Construction Machinery and Construction Association, 678, pp. 29-31.
M. Wang, C. Cai, S. Zhu, W. Zhai (2017) Experimental study on dynamic performance of typical nonballasted track systems using a full-scale testing, Journal of Rail and Rapid Transit, 231(4), pp.1-12.
P. Galvin, A. Romero, J. Dominguez (2010) Vibrations induced by HST passage on ballast and non-ballast tracks, Soil Dynamics and Earthquake Engineering, 30(9), pp. 862-873.
X.H. Zeng, Y.J. Xie, D.H. Deng, P. Wang, F.L. Qu (2016) A study of the dynamic mechanical properties of CRTS I type CA mortar, Construction and Building Materials, 112, pp. 93-99.
N. Sakamoto (2006) Standardization of Shinkansen slab tracks (in Japnaese), Journal of Japan Construction Machinery and Construction Association, 678, pp. 29-31.
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