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논문 기본 정보

자료유형
학술대회자료
저자정보
저널정보
한국철도학회 한국철도학회 학술발표대회논문집 한국철도학회 2002년도 추계학술대회논문집(1)
발행연도
2002.10
수록면
690 - 695 (6page)

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Two plate girders bridge has an advantage for execution of works and quality control because of its simplicity of super-structure caused by decreasing in amount of members and also is distinguished as aesthetic bridge type. Recently this has been adopted for structure of highway as well as railway and introduced into domestic. In order to plan or design two plate girders bridge more rationably, it is necessary to comprehend its structural behavior as well as to consider the critical design factors. Thus, in this study the formulation of optimum design for two plate girders bridge is proposed and the critical design variables and restraints are considered and founded out by caring out optimum design. The objective function of optimization is formulated as a minimum cost design problem. And the thickness and length of I-shaped section are decided as design variables. The design constraints are formulated based on Design Criteria for Railroad(Bridges). By comparing the optimum results with those of the conventional design, the effectiveness of proposed optimum design formulation is investigated. From the results, the way to do optimum design of two plate girders bridge is suggested.

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Abstract
1. 서론
2. 최적설계 문제의 정식화
3. 2주형 판형교의 최적설계 알고리즘 구성
4. 적용예
5. 결론
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