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Experimental Study on Flexural Structural Performance of Sinusoidal Corrugated Girder
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 Title & Authors
Experimental Study on Flexural Structural Performance of Sinusoidal Corrugated Girder
Kim, Jong Sung; Chae, Il Soo;
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In long span steel structure, the plate girder reinforced with stiffeners are commonly used. When choosing the cross section with deep depth of girder as well as narrow width, however, out of plane buckling can be a problem due to web slenderness. In an effort to solve this issue, current study determined the applicability of using corrugated web girder with deep depth as bending member, which is generally being utilized in both factory and warehouse nationwide. To accomplish this, we performed the loading test of H-shaped beam with sinusoidal corrugated web. Corrugated web CP-2.3 specimen exhibited 12% less maximal bending strength but CP-3.2 specimen exerted 24% increase in strength compared to plate web P-4.5. this result indicates that corrugated web provides enough strength even with unfavorable width-thickness ratio of plate. And bending as well as shear strength estimated by the Eurocode (EN 1993-1-5) were compared with both bending strength by loading test and shear strength estimated by KBC2009. In case of eurocode, increase in plate thickness did not help in bending performance improvement. moreover, shear performance was sensitive to the thickness of the web folds and the shape of the web plate.
Corrugated web girder;Plate web girder;Flexural performance;Shear performance;Loading test;Euro code;
 Cited by
한택희, 임남형, 박남희, 강영종(2002) 원형 파형판의 탄성 전단좌굴 특성, 한국강구조학회논문집, 한국강구조학회, 제14권, 제4호, pp.529-538. Han, T.H., Lim, N.H., Park, N.H., and Kang, Y.J. (2002) Elastic Shear Buckling Characteristics of Circularly Corrugated Plates, Journal of Korean Society of Steel Construction, KSSC, Vol.14, No.4, pp.529-538 (in Korean).

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채일수(2015) 사인형 주름웨브를 가진 H형보의 구조거동에 관한 실험적 평가, 경일대학교 석사논문. Chae, I.S. (2015) Experimental Evaluation on Structural Behaviour of H-shaped Corrugated Web Beam, Master Thesis of Kyungil University.

고히중, 문지호, 이학은(2007) 어코디언 효과에 의한 파형강판 거더의 국부적 휨거동, 도시방재학회, 제12권, 제3호, pp.31-38. Ko, H.J., Moon, J.H., and Lee, H.E. (2007) Local Flexural Behaviour of Corrugated Web Plate by Accordion Effects, Magazine of KOSHAM, Vol.12 No.3, pp.31-38 (in Korean).

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손수덕, 이승재(2011) 실변수 유전자 알고리즘을 이용한 사인형 주름웨브 보의 최적구조설계, 한국강구조학회논문집, 한국강구조학회, 제23권, 제5호, pp.581-593. Shon, S.D. and Lee, S.J. (2011) Optimum Structural Design of Sinusoidal Corrugated Web Beam, Jouranal of Korean Society of Steel Construction, KSSC, Vol.23, No.5, pp.581-593.

EN 1993-1-5(2006) Eurocode 3-Design of steel structure- Annex D-Plate girders with corrugated Webs.