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철골조를 위한 직접비탄성설계법의 적용 : Application of Direct Inelastic Design for Steel Structures
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- Authors
- Issue Date
- 2005-02
- Citation
- 한국강구조학회논문집, 제17권, 제1호, pp. 103-113
- Keywords
- structural design ; inelastic design ; seismic design ; linear analysis ; steel structure ; 구조설계 ; 비탄성설계 ; 내진설계 ; 선형해석 ; 강구조
- Abstract
- In the present study, the Direct Inelastic Design (DID) for steel structures developed in the previous study was improved to expand it applicability. The proposed design method can perform inelastic designs that address the design characteristics of steel structures: Group member design, discrete member sizes, variation of moment-carrying capacity according to axial force, connection types, and multiple design criteria and load conditions. The design procedure for the proposed method was established, and a computer program incorporating the design procedure was developed. The design results from the conventional elastic method and the DID were compared and verified by the existing computer program for nonlinear analysis. Compared with the conventional elastic design, the DID addressing the inelastic behavior reduced the total weight of steel members and enhanced the deformability of the structure. The proposed design method is convenient because it can directly perform inelastic design by using linear analysis for secant stiffness. Also, it can achieve structural safety and economical design by controlling deformations of the plastic hinges.
- ISSN
- 1226-363X
- Language
- Korean
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