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- W2073024650 abstract "이 논문에는 정모멘트를 받는 강합성거더의 공칭휨강도를 평가하기 위한 연구를 수록하였다. 한계상태설계법을 적용한 현행 도로교설계기준(2012)에 제시된 합성거더의 휨강도 규정은 국내에서 생산되는 일반구조용 강재를 사용한 합성거더에 적용할 수 있다. 고성능 강재 HSB600뿐만 아니라 HSB800를 적용한 강합성거더에 적용하기 위해서는 현행 공칭휨강도 평가식을 개선해야될 필요성이 있다. 강합성거더의 공칭휨강도를 평가하기 위하여, 기존에 수행된 연구들을 고찰하였으며 모멘트-곡률해석방법을 이용하여 다양한 단면을 갖는 강합성거더의 극한휨강도와 연성비를 평가하기 위한 변수해석을 수행하였다. 변수해석결과를 토대로 일반강재를 적용한 강합성거더에 대해 기존 평가식보다 덜 보수적인 공칭휨강도 평가식을 제안하였다. 또한 고성능 강재 HSB600과 HSB800을 적용한 강합성거더의 새로운 공칭휨강도 평가식도 함께 제안하였다. This paper presents a research work for the evaluation of the nominal flexural strength of composite girders in positive bending region. Current predicting equations for the nominal flexural strength of composite girders in the 2012 version of the Korea Bridge Design Codes based on Limit State Design Method are able to apply for the composite girders with conventional structural steels. For applying composite girders with high yield strength steels of HSB800 as well as HSB600, there is a need for improving the current predicting equations. In order to investigate the nominal flexural strength of composite girders, previous research works are carefully reviewed and parametric study using a moment-curvature analysis program is conducted to evaluate the ultimate moment capacity and the ductility of a wide range of composite girders. Based on the results of the parametric study, less conservative nominal flexural strength design equations are proposed for conventional composite girders. In addition, new design equations for predicting the nominal flexural strength of composite girders with HSB600 and HSB800 high-performance steels are provided." @default.
- W2073024650 created "2016-06-24" @default.
- W2073024650 creator A5088964130 @default.
- W2073024650 date "2013-04-27" @default.
- W2073024650 modified "2023-09-27" @default.
- W2073024650 title "Revaluation of Nominal Flexural Strength of Composite Girders in Positive Bending Region" @default.
- W2073024650 cites W1493426687 @default.
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- W2073024650 doi "https://doi.org/10.7781/kjoss.2013.25.2.165" @default.
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