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Title |
Optimum Design of LB-DECK Plate Girder Bridge
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Keywords |
LB-Deck 플레이트 거더교 ; 축차 무제약 최소화 기법 ; 목적함수 ; 최적설계 ; LB-Deck plate girder bridge ; SUMT ; Objective functions ; Optimum design |
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Abstract |
This study is concerned with the optimum design of LB-Deck plate girder bridge. The optimizing problems of the composite bridge are formulated with objective functions and constraints. The objective functions are formulated as the total cost of the concrete deck and steel girder construction and the constraints are derived by criteria with respect to the Korean Highway bridge design. The optimizing algorithm using SUMT for optimum design of the Simple span, 2-Span, 3-span LB-deck plate and general RC-steel composite girder bridges (L=60m) which act live load(DB24). And their optimum numerical results are compares and analyzed to examine the possibility of optimization, the application and convergency of this optimizing algorithm.
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