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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.6 No.2
- 발행연도
- 2012.6
- 수록면
- 79 - 85 (7page)
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초록· 키워드
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This paper presents the differences in growth of time-dependent strain values in reinforced cement concrete (RCC) and pre-stressed concrete (PSC) flexural members through experiment. It was observed that at any particular age, the time-dependent strain values were less in RCC beams than in PSC beams of identical size and grade of concrete. Variables considered in the study were percentage area of reinforcement, span of members for RCC beams and eccentricity of applied pre-stress force for PSC beams. In RCC beams the time-dependent strain values increases with reduction in percentage area of reinforcement and in PSC beams eccentricity directly influences the growth of time-dependent strain. With increase in age, a non-uniform strain develops across the depth of beams which influence the growth of concave curvature in RCC beams and convex curvature in PSC beams. The experimentally obtained strain values were compared with predicted strain values of similar size and grade of plane concrete (PC) beam using ACI 318 Model Code and found more than RCC beams but less than PSC beams.
목차
Abstract
1. Introduction
2. Experimental Program
3. Test Results and Discussion
4. Predicted Time-Dependent Strain in PlaneConcrete (PC) Beam
5. Conclusion
References
참고문헌 (9)
참고문헌 신청
1. [기타자료] - ACI 209R-92 / 1992 / Prediction of creep, shrinkage and temperature effects in concrete structures. ACI Manual of Concrete Practice, Part 1 / ACI
2. [보고서] - American Concrete Institute / 2005 / Building code requirements for structural concrete (ACI 318-05) and commentary : 112 ~
3. [학술지(정기간행물)] - Bischoff, P. H / 2001 / Effects of shrinkage on tension stiffening and cracking in reinforced concrete / Canadian Journal of Civil Engineering 28 (3) : 363 ~ 374
4. [학술지(정기간행물)] - Gribniak, V / 2007 / State-ofart review on shrinkage effect on cracking and deformations of concrete bridge elements / The Baltic Journal of Road and Bridge Engineering 2 (4) : 183 ~ 193
5. [학술지(정기간행물)] - Gribniak, V / 2008 / Shrinkage in reinforced concrete structures : A computational aspect / Journal of Civil Engineering and Management 14 (1) : 49 ~ 60
2. [보고서] - American Concrete Institute / 2005 / Building code requirements for structural concrete (ACI 318-05) and commentary : 112 ~
3. [학술지(정기간행물)] - Bischoff, P. H / 2001 / Effects of shrinkage on tension stiffening and cracking in reinforced concrete / Canadian Journal of Civil Engineering 28 (3) : 363 ~ 374
4. [학술지(정기간행물)] - Gribniak, V / 2007 / State-ofart review on shrinkage effect on cracking and deformations of concrete bridge elements / The Baltic Journal of Road and Bridge Engineering 2 (4) : 183 ~ 193
5. [학술지(정기간행물)] - Gribniak, V / 2008 / Shrinkage in reinforced concrete structures : A computational aspect / Journal of Civil Engineering and Management 14 (1) : 49 ~ 60
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