지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.71 No.3
- 발행연도
- 2019.1
- 수록면
- 305 - 315 (11page)
이용수
초록· 키워드
오류제보하기
Extremely long-span transmission tower-line system is an indispensable portion of an electricity transmission system, and its failures or collapse can impact on the entire electricity grid, affect the modern life, and cause great economic losses. It is therefore imperative to investigate the failure and safety of the transmission tower subjected to ground motions. In the present study, a detailed finite element (FE) model of a representative extremely long-span transmission tower-line system is established. A segmental damage indicator (SDI) is proposed to quantitatively assess the damage level of each segment of the transmission tower under earthquakes. Additionally, parametric studies are conducted to investigate the influence of different ground motions and incident angles on the ultimate capacity and weakest segment of the transmission tower. Finally, the collapse fragility curve in terms of the maximum SDI value and PGA is plotted for the exampled transmission tower. The results show that the proposed SDI can quantitatively assess the damage level of the segments, and thus determine the ultimate capacity and weakest segment of the transmission tower. Moreover, the different ground motions and incident angles have a significant influence on the SDI values of the transmission tower, and the collapse fragility curve is utilized to evaluate the collapse resistant capacity of the transmission tower subjected to ground motions.
목차
등록된 정보가 없습니다.
참고문헌 (39)
참고문헌 신청
F.G.A. Albermani / 2003 / Numerical simulation of structural behaviour of transmission towers / Thin-Walled Structures 41(2-3):167~177
Asgarian, B. / 2016 / Progressive collapse analysis of power transmission towers / J. Constr. Steel Res 123:31~40
Jack W. Baker / 2015 / Efficient Analytical Fragility Function Fitting Using Dynamic Structural Analysis / Earthquake Spectra 31(1):579~599
Andre R. Barbosa / 2017 / Influence of earthquake ground-motion duration on damage estimation: application to steel moment resisting frames / Earthquake Engineering & Structural Dynamics 46(1):27~49
Black, R. G. / 1980 / Inelastic Buckling of Steel Struts Under Cyclic Load Reversals
Asgarian, B. / 2016 / Progressive collapse analysis of power transmission towers / J. Constr. Steel Res 123:31~40
Jack W. Baker / 2015 / Efficient Analytical Fragility Function Fitting Using Dynamic Structural Analysis / Earthquake Spectra 31(1):579~599
Andre R. Barbosa / 2017 / Influence of earthquake ground-motion duration on damage estimation: application to steel moment resisting frames / Earthquake Engineering & Structural Dynamics 46(1):27~49
Black, R. G. / 1980 / Inelastic Buckling of Steel Struts Under Cyclic Load Reversals
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