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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2004.4
- 수록면
- 95 - 98 (4page)
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초록· 키워드
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In steel structure design, lateral buckling phenomenon has been well known. However, the exact mechanisms of such phenomenon are still at large. Modem steel design utilizes longer span length, thanks to development of improved steel material properties, manufacturing techniques. Longer-span steel members are more susceptible to lateral buckling. Hence, it is increasingly important to understand and prevent lateral buckling of such members.
The lateral buckling strength of nonhybrid and standard hot-rolled shaped beam depends on manifold of parameters such as end rigidity condition, slenderness ratio, buckling length, width -thickness ratio, the degree of lateral support, shape of section, and moment gradient factor. Of the parameters, effective length factor for various loading and support conditions is one of the greatest influences on lateral buckling strength. American Institute of Steel Construction LRFD Specification (2003) overlooks the idea of effective length, however, because of its complexity in application and because of the sometimes questionable support conditions for the real beams using the actual unbraced length (that is, K = 1, the case of simply supported beam). In this study, the effect of various end rigidity conditions and loading location acting on the flexural buckling capacity of a beam is studied by classical methods.
The lateral buckling strength of nonhybrid and standard hot-rolled shaped beam depends on manifold of parameters such as end rigidity condition, slenderness ratio, buckling length, width -thickness ratio, the degree of lateral support, shape of section, and moment gradient factor. Of the parameters, effective length factor for various loading and support conditions is one of the greatest influences on lateral buckling strength. American Institute of Steel Construction LRFD Specification (2003) overlooks the idea of effective length, however, because of its complexity in application and because of the sometimes questionable support conditions for the real beams using the actual unbraced length (that is, K = 1, the case of simply supported beam). In this study, the effect of various end rigidity conditions and loading location acting on the flexural buckling capacity of a beam is studied by classical methods.
목차
Abstract
1. 서론
2. AlSC LRFD(2003)의 설계이론 고찰
3. 탄성 횡-비틀림 좌굴
4. 결론
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