건축구조용 고성능강(HSA800) 용접 H형단면 기둥의 압축강도에 관한 연구A Study on Compressive Strength of Built-up H Shaped Columns Fabricated with HSA800 High Performance Steels
- Other Titles
- A Study on Compressive Strength of Built-up H Shaped Columns Fabricated with HSA800 High Performance Steels
- Authors
- 김태수; 이명재; 오영석; 이강민; 김도환
- Issue Date
- Dec-2012
- Publisher
- 한국강구조학회
- Keywords
- 고성능강; 판폭두께비; 국부좌굴; 단주; 용접H형 단면; high performance steel; width-to-thickness ratio; local buckling; stub column; built-up H shape
- Citation
- 한국강구조학회 논문집, v.24, no.6, pp 627 - 636
- Pages
- 10
- Indexed
- KCI
- Journal Title
- 한국강구조학회 논문집
- Volume
- 24
- Number
- 6
- Start Page
- 627
- End Page
- 636
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/118501
- DOI
- 10.7781/kjoss.2012.24.6.627
- ISSN
- 1226-363X
2287-4054
- Abstract
- 최근 구조물의 고층화, 대형화 및 장스팬 활용 등의 요구로 고강도 고성능 재료의 건축물과 교량에의 적용이 증가하는 추세이다. 본 논문은 고성능강의 건축구조용 재료 특성과 고성능강재를 사용한 부재의 설계 기준을 위한 기본적인 연구의 일부이다; HSA800의 재료적특성은 한국산업표준의 요건과 비교하였다. 용접 H-형 단주의 국부좌굴 거동과 현행 판폭두께비 설계 제한치를 검토 위하여 다양한 판폭두께비 변수를 계획하고, 단축압축실험을 실시하였다. 또한, 유한요소결과로 얻어낸 단주의 좌굴거동을 실험결과와 비교하였고 해석결과가 고성능강 H형 단면 단주의 좌굴거동을 잘 예측하는 것으로 나타났다.
Recently, high performance(strength) steels have been utilized to structural materials in buildings and bridges with the demand for high-rise and long-span of main structures. This paper is a series of basic study for the design specification of structural members using high performance steel, material properties of high performance rolled steel building structures; material properties of HSA800 steel was compared with the requirements of Korean Standards(KS)for HSA800. Welded H-shape stub columns with variables of width-to-thickness ratios are planned in order to investigate the local buckling behaviors and check the current design limit of width-to-thickness ratio and uniaxial compressive tests are carried out. In addition, the buckling behaviors of stub columns obtained finite element analysis were compared with those of test results
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