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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.7 No.3
- 발행연도
- 2013.9
- 수록면
- 239 - 249 (11page)
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초록· 키워드
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In the present scenario to fulfill the demands of sustainable construction, concrete made with multi-blended cement system of OPC and different mineral admixtures, is the judicious choice for the construction industry. Silica fume (SF) and fly ash (FA) are the most commonly used mineral admixtures in ternary blend cement systems. Synergy between the contributions of both on the mechanical properties of the concrete is an important factor. This study reports the effect of replacement of OPC by fly ash (20, 30, 40 and 50 % replacement of OPC) and/or silica fume (7 and 10 %) on the mechanical properties of concrete like compressive strength and split tensile strength, with three different w/b ratio of 0.3, 0.4 and 0.45. The results indicate that, as the total replacement level of OPC in concrete using ternary blend of OPC + FA + SF increases, the strength with respect to control mix increases up to certain replacement level and thereafter decreases. If the cement content of control mixes at each w/b ratio is kept constant, then as w/b ratio decreases, higher percentage of OPC can be replaced with FA + SF to get 28 days strength comparable to the control mix. A new method was proposed to find the efficiency factor of SF and FA individually in ternary blend cement system, based on principle of modified Bolomey’s equation for predicting compressive strength of concrete using binary blend cement system. Efficiency factor for SF and FA were always higher in ternary blend cement system than their respective binary blend cement system. Split tensile strength of concrete using binary and ternary cement system were higher than OPC for a given compressive strength level.
목차
Abstract
1. Introduction
2. Materials Used
3. Mix Proportions
4. Results and Discussions
5. Conclusions
References
참고문헌 (28)
참고문헌 신청
1. [기타자료] - / 1997 / State of art report on high strength concrete (ACI Committee 363) ACI 363R-92 / American Concrete Institute
2. [학술지(정기간행물)] - Bhanja, S. / 2005 / Influence of silica fume on the tensile strength of concrete / Cement and Concrete Research 35 (4) : 743 ~ 747
3. [학술지(정기간행물)] - Bharatkumar, B. H. / 2001 / Mix proportioning of high performance concrete / Cement and Concrete Composites 23 (1) : 71 ~ 80
4. [학술대회논문] - Bilodeau, A. / 1998 / High volume fly ash system : The concrete solution for sustainable development / CANMET/ACI International Symposium on Sustainable Development of the Cement and Concrete Industry
5. [기타자료] - Bouzoubaaˆ, N. / 2002 / Development of Ternary Blends for High-Performance Concrete / Materials Technology Laborator, MTL 2002–5 (TR-R)
2. [학술지(정기간행물)] - Bhanja, S. / 2005 / Influence of silica fume on the tensile strength of concrete / Cement and Concrete Research 35 (4) : 743 ~ 747
3. [학술지(정기간행물)] - Bharatkumar, B. H. / 2001 / Mix proportioning of high performance concrete / Cement and Concrete Composites 23 (1) : 71 ~ 80
4. [학술대회논문] - Bilodeau, A. / 1998 / High volume fly ash system : The concrete solution for sustainable development / CANMET/ACI International Symposium on Sustainable Development of the Cement and Concrete Industry
5. [기타자료] - Bouzoubaaˆ, N. / 2002 / Development of Ternary Blends for High-Performance Concrete / Materials Technology Laborator, MTL 2002–5 (TR-R)
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