잔골재 종류에 따른 200MPa 초고강도 콘크리트의 역학적 특성 평가Evaluation of Mechanical Properties of 200MPa Ultra-High-Strength Concrete Incorporating Different Fine Aggregates
- Other Titles
- Evaluation of Mechanical Properties of 200MPa Ultra-High-Strength Concrete Incorporating Different Fine Aggregates
- Authors
- 신현오; 이승훈; 이우진; 윤영수
- Issue Date
- 2013
- Publisher
- 대한건축학회
- Keywords
- Ultra-High-Strength Concrete; Compressive Strength; Splitting-Tensile Strength; Flexural Strength; Modulus of Elasticity; Poisson' s Ratio; 초고강도 콘크리트; 압축강도; 쪼갬인장강도; 휨강도; 탄성계수; 포아송비
- Citation
- 대한건축학회논문집 구조계, v.29, no.09, pp.47 - 55
- Indexed
- KCI
- Journal Title
- 대한건축학회논문집 구조계
- Volume
- 29
- Number
- 09
- Start Page
- 47
- End Page
- 55
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/105586
- ISSN
- 1226-9107
- Abstract
- This paper presents an experimental study of the mechanical properties such as compressive strength, splitting-tensile strength, flexural strength, modulus of elasticity, and poisson's ratio of 200MPa ultra-high-strength concrete. Effects of primary variables such as fine aggregate type and curing age were studied in this research program. Silica sand, electric arc furnace oxidizing slag, and washed sand were used in the concrete as fine aggregate. For each fine aggregate type, mechanical properties were evaluated at age of 3, 7, 14, 28, 56, and 91 days. The mechanical properties of ultra-high-strength concrete specimens were characterized by extremely brittle and explosive behavior without notable micro-crack or advance warning before failure. Test results indicated that using silica sand as fine aggregate are effective in long term mechanical properties of ultra-high-strength concrete. A comparative study of existing prediction equations for mechanical properties of concrete was also conducted to asses their capabilities of predicting the mechanical properties of ultra-high-strength concrete. To this end, test results in the present study were compared with currents code equations.
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Collections - College of Engineering > School of Civil, Environmental and Architectural Engineering > 1. Journal Articles
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