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철근콘크리트 기둥에서 띠철근으로 구속된 고강도콘크리트의 구속효과 평가

Title
철근콘크리트 기둥에서 띠철근으로 구속된 고강도콘크리트의 구속효과 평가
Other Titles
Evaluation of Confinement Effect of High Strength Concrete Confined with Transverse Ties in Reinforced Concrete Columns
Author
신성우
Keywords
고강도콘크리트; 철근콘크리트 기둥; 횡보강근; 구속효과; 강도증진; 연성증진; 유효횡구속압력; High-Strength Concrete; R/C Tied Column; Transverse Reinforcement; Confinement Effect; Strength Enhancement; Ductility Enhancement; Effective Lateral Confining Pressure
Issue Date
2008-03
Publisher
대한건축학회
Citation
대한건축학회논문집 - 구조계, v. 24, No. 3, Page. 3-10
Abstract
An experimental study was conducted to investigate the confined effects by transverse reinforcements in reinforced high strength concrete tied columns subjected to monotonically increasing concentric axial compression. Fifteen large scale columns (260 ㎜ × 260 ㎜ × 1200 ㎜) used high strength concrete of 85 MPa were fabricated to simulate similarly an actual structural members size. Effects of main variables such as the volumetric ratios, spacing, configurations, and yield strength of transverse reinforcement were studied in this research program. Especially, various types of transverse reinforcement were considered in this experimental study. Test results indicated that gains of strength and ductility of confined high-strength concrete in tied columns could be increased, if efficient arrangements, configurations and volumetric ratios of transverse reinforcements were provided. And an improvement of strength and ductility for the confined high strength concrete is proportional to the effective lateral pressure of transverse reinforcement.
URI
http://www.dbpia.co.kr/Journal/ArticleDetail/NODE00973164https://repository.hanyang.ac.kr/handle/20.500.11754/104406
ISSN
1226-9107
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ARCHITECTURE(건축학부) > Articles
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