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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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PURPOSES: Current theories for composite structures are too difficult for design engineers for construction. The purpose of this paper is to demonstrate to the practicing engineers, how to apply the advanced composite materials theory to the road structures. METHODS: Some laminate orientations have decreasing values of $D_{16}$, $B_{16}$, $D_{26}$ and $B_{26}$ stiffnesses as the ply number increases. The plate aspect ratio considered is from 1 to 5. In order to study the effect of $M_x$ on the equilibrium equations, two cases are considered. $M_x$ term is considered or neglected. RESULTS: Most of the road structures have high aspect ratios, for such cases further simplification is possible by neglecting the effect of the longitudinal moment terms. CONCLUSIONS: Most of the road structures have plate aspect ratios higher than 2. It is concluded that, for all boundary conditions, neglecting the longitudinal moment($M_x$) terms is acceptable if the aspect ratio (a/b) is equal to or higher than 2. This conclusion gives good guide line for design of the road structures.
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참고문헌 (9)
참고문헌 신청
Ashton, J. E. / 1970 / Anisotropic Plate Analysis- Boundary Condition / J. of Composite Materials :162~171
김덕현 / 2004 / 탄성지지된 3경간 철근콘크리트 교량의 간단한 진동해석법 / Composites Research 17(3):23~28
Han, B. K / 2001 / Analysis of Steel Bridges by Means of Specially Orthotropic Plate Theory / Journal of Korean Society of Steel Construction 13(1):61~69
한봉구 / 2010 / 특별직교이방성 슬래브 교량의 파괴시 치수효과에 관한 연구 / Composites Research 23(1):23~30
Kim, D. H. / 1995 / Composite Structures for Civil and Architectural Engineering / E&FN SPON, Chapman & Hall
김덕현 / 2004 / 탄성지지된 3경간 철근콘크리트 교량의 간단한 진동해석법 / Composites Research 17(3):23~28
Han, B. K / 2001 / Analysis of Steel Bridges by Means of Specially Orthotropic Plate Theory / Journal of Korean Society of Steel Construction 13(1):61~69
한봉구 / 2010 / 특별직교이방성 슬래브 교량의 파괴시 치수효과에 관한 연구 / Composites Research 23(1):23~30
Kim, D. H. / 1995 / Composite Structures for Civil and Architectural Engineering / E&FN SPON, Chapman & Hall
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