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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2012.7
- 수록면
- 3 - 10 (8page)
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In this paper, an experimental investigation of six steel fiber reinforced reactive powder concrete(RPC) columns was carried out deriving the appropriate design parameters of flexural induced columns with very high strength of concrete. Tested specimens have 200 mm square cross sections. Two of four specimens have rebars with 400MPa yield strength and another two specimens have no rebars. The RPC mix contains 2% of 0.2mm diameter by 13mm long straight steel fibres with concrete strength ranging from 100 to 200 MPa. Columns were induced to the flexural load by specially designed moment arm located at the end of columns with 10,000kN UTM. From the experimental data on the axial load, moment and strains along the longitudinal direction of columns, we could aware of the stress block of RPC with ultra high strength of concrete would be had a lower value than we use before.
Test values represented that rectangular stress block parameter of ultra-shigh strength concrete was comparatively lower than values from the code provisions for concrete structure. For the more reliable calculating for stress block parameters of ultra-high strength concrete, existing test data of stress block parameter were investigated and regression analysis was carried out proposing new equation of rectangular stress block parameter α₁ and β₁ .
Test values represented that rectangular stress block parameter of ultra-shigh strength concrete was comparatively lower than values from the code provisions for concrete structure. For the more reliable calculating for stress block parameters of ultra-high strength concrete, existing test data of stress block parameter were investigated and regression analysis was carried out proposing new equation of rectangular stress block parameter α₁ and β₁ .
목차
Abstract
1. 서론
2. 초고강도 재료로서의 SF-RPC의 기계적 성질
3. 휨-압축을 받는 부재의 응력 블록 계수
4. 결론
참고문헌
참고문헌 (16)
참고문헌 신청
Richard, P. / 1994 / Reactive Powder Concretes with High Ductility and 200~800MPa Compressive Strength / ACI SP 144:507~518
Jacques Resplendino / 2008 / Ultra-High Performance Concretes-recent realizations and research programs on UHPFRC bridges in France / Proceedings of the Second International Symposium on Ultra High Performance Concrete, Kassel, germany :31~43
Mark Rebentrost / 2008 / Experience and Applications of Ultra-high Performance Concrete in Asia / Proceedings of the Second International Symposium on Ultra High Performance Concrete, Kassel, germany :19~30
Obata, K. / 2003 / An experimental study on the compressive properties of super-high-strength concrete / Summary of Technical Papers of Annual Meeting of Architect ural Institute of Japan, Vol. C-2 :13~14
한국콘크리트학회 / 2007 / 콘크리트구조설계기준
Jacques Resplendino / 2008 / Ultra-High Performance Concretes-recent realizations and research programs on UHPFRC bridges in France / Proceedings of the Second International Symposium on Ultra High Performance Concrete, Kassel, germany :31~43
Mark Rebentrost / 2008 / Experience and Applications of Ultra-high Performance Concrete in Asia / Proceedings of the Second International Symposium on Ultra High Performance Concrete, Kassel, germany :19~30
Obata, K. / 2003 / An experimental study on the compressive properties of super-high-strength concrete / Summary of Technical Papers of Annual Meeting of Architect ural Institute of Japan, Vol. C-2 :13~14
한국콘크리트학회 / 2007 / 콘크리트구조설계기준
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UCI(KEPA) : I410-ECN-0101-2013-540-003633103