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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.28 No.2
- 발행연도
- 2018.1
- 수록면
- 209 - 221 (13page)
이용수
초록· 키워드
오류제보하기
An empirical and efficient method is presented for calculating the dynamic increase factor to amplify the applied loads on the affected bays of a steel frame structure with semi-rigid connections. The nonlinear static alternate path analysis is used to evaluate the dynamic responses. First, the polynomial models of the extended end plate and the top and seat connection are modified, and the proposed polynomial model of the flush end plate connection shows good agreement as compared with experimental results. Next, a beam model with nonlinear spring elements and plastic hinges is utilized to incorporate the combined effect of connection flexibility and material nonlinearity. A new step-by-step analysis procedure is established to obtain quickly the dynamic increase factor based on a combination of the pushdown analysis and nonlinear dynamic analysis. Finally, the modified dynamic increase factor equation, defined as a function of the maximum ratio value of energy demand to energy capacity of an affected beam, is derived by curve fitting data points generated by the different analysis cases with different column removal scenarios and five types of semi-rigid connections.
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참고문헌 (31)
참고문헌 신청
Arshian, A.H. / 2017 / Three-dimensional progressive collapse analysis of reinforced concrete frame structures subjected to sequential column removal / Eng. Struct. 132:87~97
Bjorhovde, R. / 1990 / Classification system for beam-to-column connections / J. Struct. Eng. 116(11):3059~3076
Chan, S.L. / 2000 / Nonlinear static and cyclic analysis of steel frames with semi-rigid connections / Elsevier
Chen, C.H. / 2016 / An evaluation method to predict progressive collapse resistance of steel frame structures / J. Constr. Steel Res. 22:238~250
Chang Hong Chen / 2016 / Progressive collapse analysis of steel frame structure based on the energy principle / Steel and Composite Structures, An International Journal 21(3):553~571
Bjorhovde, R. / 1990 / Classification system for beam-to-column connections / J. Struct. Eng. 116(11):3059~3076
Chan, S.L. / 2000 / Nonlinear static and cyclic analysis of steel frames with semi-rigid connections / Elsevier
Chen, C.H. / 2016 / An evaluation method to predict progressive collapse resistance of steel frame structures / J. Constr. Steel Res. 22:238~250
Chang Hong Chen / 2016 / Progressive collapse analysis of steel frame structure based on the energy principle / Steel and Composite Structures, An International Journal 21(3):553~571
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