ConceptDesignvs.DetailDesignDifferentCriterionsDetailDesign---Codes,Specifications,MechanicsConceptDesign---noobjectiveCriterionConcept Designer's Task·ProposingRecommended Solutionfrom Alternative SolutionsBridge Competition----ThebestwayforConceptDesignAppraisal6/24DE-CAN YANGPRINCIPLESFORCONCEPTDESIGNOFCONCRETEGIRDERBRIDGES
DE-CAN YANG PRINCIPLES FOR CONCEPT DESIGN OF CONCRETE GIRDER BRIDGES 6/24 Different Criterions • Detail Design-Codes, Specifications, Mechanics • Concept Design-no objective Criterion Concept Designer’s Task • Proposing Recommended Solution from Alternative Solutions Bridge Competition -The best way for Concept Design Appraisal 1 Concept Design vs. Detail Design
1ConceptDesign vs.Detail DesignThree CommitteesAestheticsCommittee---Architects;ArtistsTechnical Committee---Engineers;ScientistsEstimateCommittee---Auditor,BudgeteerThewinner should bethe highestAesthetics(%)XTechnical(%)/Estimate(inmillion$Formula--suggestedbyanauthorofPCIBridge20087/24DE-CAN YANGPRINCIPLESFORCONCEPTDESIGNOFCONCRETEGIRDERBRIDGES
DE-CAN YANG PRINCIPLES FOR CONCEPT DESIGN OF CONCRETE GIRDER BRIDGES 7/24 Three Committees • Aesthetics Committee-Architects; Artists • Technical Committee-Engineers; Scientists • Estimate Committee-Auditor; Budgeteer The winner should be the highest Aesthetics (%)×Technical (%)/Estimate (in million $) Formula-suggested by an author of PCI Bridge 2008 1 Concept Design vs. Detail Design
2Conception of Economical Spans
2 Conception of Economical Spans