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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국콘크리트학회 International Journal of Concrete Structures and Materials International Journal of Concrete Structures and Materials Vol.14 No.4
- 발행연도
- 2020.7
- 수록면
- 601 - 615 (15page)
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초록· 키워드
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Currently, fire in building is one of the most serious disasters. With the increase of basic construction items in western China, ordinary medium sand resource no longer met with the need of engineering. Compressive strength experiments of concrete produced with desert sand after elevated temperature were carried out in this paper. The effects of desert sand replacement rate (DSRR), temperature and cooling regime on the mechanical performances of concrete produced with desert sand were analyzed. XRD and SEM experiments were also conducted to study the microstructure of concrete produced with desert sand after elevated temperature. Experimental results showed that the cubic compressive strength of concrete produced with desert sand increased firstly, and then declined with temperature. Whereas, the prismatic compressive strength and elasticity modulus of concrete produced with desert sand under static compression declined with temperature. With the enhancement of DSRR, the elasticity modulus under static compression, cubic compressive strength and prismatic compressive strength of concrete produced with desert sand after elevated temperature increased firstly, and then declined, the maximum value of which was reached when DSRR amounted to 40%. Regression models were established to predict the mechanical performances of concrete produced with desert sand after elevated temperature, which were in good agreement with experimental results.
목차
Abstract
1. Introduction
2. Experimental Investigations
3. Analysis of Experimental Results
4. Microstructure of Concrete Produced with Desert Sand After Elevated Temperature
5. Conclusions
References
참고문헌 (31)
참고문헌 신청
Al-Harthy, A. S. / 2007 / The properties of concrete made with fine dune sand / Construction and Building Materials 21:1803~1808
Ali, B. / 2008 / Effects of silica fume addition and water to cement ratio on the properties of high-strength concrete after exposure to high temperatures / Cement & Concrete Composites 30:106~112
Al-Sanad, H. A. / 1993 / Geotechnical properties of dune sands in Kuwait / Engineering Geology 34:45~52
Canbaz, M. / 2014 / The effect of high temperature on reactive powder concrete / Construction and Building Materials 70:508~513
Chaabane, L. A. / 2017 / Dune sand and pumice impact on mechanical and thermal lightweight concrete properties / Construction and Building Materials 133:209~218
Ali, B. / 2008 / Effects of silica fume addition and water to cement ratio on the properties of high-strength concrete after exposure to high temperatures / Cement & Concrete Composites 30:106~112
Al-Sanad, H. A. / 1993 / Geotechnical properties of dune sands in Kuwait / Engineering Geology 34:45~52
Canbaz, M. / 2014 / The effect of high temperature on reactive powder concrete / Construction and Building Materials 70:508~513
Chaabane, L. A. / 2017 / Dune sand and pumice impact on mechanical and thermal lightweight concrete properties / Construction and Building Materials 133:209~218
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UCI(KEPA) : I410-ECN-0101-2020-532-001098669