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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.3
- 수록면
- 218 - 231 (14page)
- DOI
- 10.7782/JKSR.2022.25.3.218
이용수
초록· 키워드
오류제보하기
This study was designed to evaluate the physical properties of cement asphalt mortar (CA mortar) according to the specific surface area (SSA) of nonionic emulsified asphalt. CA mortar specimens were prepared using 3 types of nonionic emulsified asphalt with different SSA and 1 type of rapid hardening cement and sand, additives. The physical properties of CA mortar were evaluated by measuring the temperature variation, bleeding ratio, flow value, air content, compressive strength, and expansion ratio. Test results showed no temperature variation and bleeding in any CA mortar specimens, indicating that SSA change of emulsified asphalt did not induce material separation of the mortar. As a result of the flow value test and compressive strength test, it was confirmed that the flow value and compressive strength increase of specimen CAM-A3, with the largest SSA of emulsified asphalt, increased the hydration reaction rate between cement and emulsified asphalt. CAM-A1 and CAM-A2, which did not satisfy the standard of air content, required adjustment of amount of added anti-foaming agent (AFA) and air entraining agent (AEA). The expansion ratio of CAM-A1 exceeded the standard, because the amount of self-shrinkage caused by hydration reaction is less than the amount of expansion caused by addition of aluminum. To accurately analyze the effect on SSA of emulsified asphalt, additional studies such as tissue observation through a scanning electron microscope are needed.
목차
Abstract
1. Introduction
2. Testing Plan and Methods
3. Preparation of Specimens and Testing Methods
4. Results and Analysis
5. Conclusions
References
참고문헌 (34)
참고문헌 신청
M. Wang, C. Cai, S. Zhu and W. Zhai (2017) Experimental study on dynamic performance of typical nonballasted track systems using a full-scale test rig, 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.
http://sts.kahaku.go.jp/sts/detail.php?no=110811310005&c=&y1=&y2=&id=&pref=&city=&org=&word=%20CA%E3%83%A2%E3%83%AB%E3%82%BF%E3%83%AB&p=2 (Accessed 15 January 2022)
N. Sakamoto (2006) Standardization of Shinkansen slab tracks (in Japnaese), Journal of Japan Construction Machinery and Construction Association, 678, pp.29-31.
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.
http://sts.kahaku.go.jp/sts/detail.php?no=110811310005&c=&y1=&y2=&id=&pref=&city=&org=&word=%20CA%E3%83%A2%E3%83%AB%E3%82%BF%E3%83%AB&p=2 (Accessed 15 January 2022)
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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