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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.37 No.3
- 발행연도
- 2020.1
- 수록면
- 259 - 272 (14page)
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초록· 키워드
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In this study a new hysteretic damper for seismic retrofit of soft-first story structures is proposed and its seismic retrofit effect is evaluated. The damper consists of one steel column member and two flexural fuses at both ends made of steel plates with reduced section, which can be placed right beside existing columns in order to minimize interference with passengers and automobiles in the installed bays. The relative displacement between the stories forms flexural plastic hinges at the fuses and dissipate seismic energy. The theoretical formulation and the design procedure based on plastic analysis is provided for the proposed damper, and the results are compared with a detailed finite-element (FE) model. In order to apply the damper in structural analysis, a macromodel of the damper is also developed and calibrated by the derived theoretical formulas. The results are compared with the detailed FE analysis, and the efficiency of the damper is further validated by the seismic retrofit of a case study structure and assessing its seismic performance before and after the retrofit. The results show that the proposed hysteretic damper can be used effectively in reducing damage to soft-first story structures.
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참고문헌 (45)
참고문헌 신청
Hossein Agha Beigi / 2014 / Gapped-Inclined Braces for Seismic Retrofit of Soft-Story Buildings / Journal of Structural Engineering 140(11):04014080
Hossein Agha Beigi / 2015 / Seismic response of a case study soft story frame retrofitted using a GIB system / Earthquake Engineering & Structural Dynamics 44(7):997~1014
Hossein Agha Beigi / 2015 / Factors influencing the repair costs of soft-story RC frame buildings and implications for their seismic retrofit / Engineering Structures 101:233~245
Fereidoun Amini / 2018 / Impacts of soil-structure interaction on the structural control of nonlinear systems using adaptive control approach / Engineering Structures 157:1~13
ANSYS / 2019 / ANSYS Inc
Hossein Agha Beigi / 2015 / Seismic response of a case study soft story frame retrofitted using a GIB system / Earthquake Engineering & Structural Dynamics 44(7):997~1014
Hossein Agha Beigi / 2015 / Factors influencing the repair costs of soft-story RC frame buildings and implications for their seismic retrofit / Engineering Structures 101:233~245
Fereidoun Amini / 2018 / Impacts of soil-structure interaction on the structural control of nonlinear systems using adaptive control approach / Engineering Structures 157:1~13
ANSYS / 2019 / ANSYS Inc
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