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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.28 No.4
- 발행연도
- 2021.10
- 수록면
- 579 - 592 (14page)
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Extensive studies have been performed by researchers to increase the ductility and energy-absorption of concentrically braced frames. One of the most widely used strategies for increasing ductility and energy-absorbing is the utilization of energy-dissipation systems. In this regard, the energy-dissipation system consisting of a steel dual-ring damper (SDRD) with different construction details is presented, to improve hysteresis behavior and performance of steel ring dampers (SRD). The most important cause of energy-dissipation in SRDs are the development of bending plastic hinges in the rings. Therefore, by adding an inner ring to the SDR system, it increases the number of moment plastic hinges and in turn increases energy dissipation. Parametric studies havse been performed applying the nonlinear micro-finite element (MFE) procedure to investigate the improved models. The parametric studies comprise examining the efficacy of thickness parameters and the inner ring diameters of the improved models. The SRD models was selected as the base model for comparing and evaluating the effects of improved dampers. MFE models were then analyzed under cyclic loading and nonlinear static methods. Confirmation of the results of the MFE models were performed against the test results. The results indicated that the diameter to the thickness ratio of inner ring of SDRDs has a considerable influence on determining the hysteresis behavior, ductility, ultimate capacity and performance, as well as energy dissipation. Also, the results show that the details of the construction of the internal and external ring connections were a considerable effect on the performance and hysteresis behavior of SDRDs.
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참고문헌 (53)
참고문헌 신청
2010 / ABAQUS-6.10, Standard user’s manual / Karlsson and Sorensen, Inc
Abbasnia, R. / 2008 / Experimental and analytical investigation on the steel ring ductility / J. Sharif Sci. Technol 52:41~48
Reza Aghlara / 2018 / Experimental study of Pipe-Fuse Damper for passive energy dissipation in structures / Journal of Constructional Steel Research 148:351~360
2016 / AISC 360-16, Specification for Structural Steel Buildings (ANSI/AISC 360–16) / American Institute of Steel Construction
Zahra Andalib / 2014 / Experimental investigation of the ductility and performance of steel rings constructed from plates / Journal of Constructional Steel Research 103:77~88
Abbasnia, R. / 2008 / Experimental and analytical investigation on the steel ring ductility / J. Sharif Sci. Technol 52:41~48
Reza Aghlara / 2018 / Experimental study of Pipe-Fuse Damper for passive energy dissipation in structures / Journal of Constructional Steel Research 148:351~360
2016 / AISC 360-16, Specification for Structural Steel Buildings (ANSI/AISC 360–16) / American Institute of Steel Construction
Zahra Andalib / 2014 / Experimental investigation of the ductility and performance of steel rings constructed from plates / Journal of Constructional Steel Research 103:77~88
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