OVERSTRENGTH OF DISPLACEMENT-BASED DESIGNED ECCENTRICALLY BRACED STEEL FRAMES

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FARAHANI SINA; MOHEBKHAH AMIN

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Paper Information

Journal: JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING Year:2016 | Volume:2 | Issue:4 Page(s): 48-61

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Information Journal Paper

Title

OVERSTRENGTH OF DISPLACEMENT-BASED DESIGNED ECCENTRICALLY BRACED STEEL FRAMES

Author(s)

FARAHANI SINA | MOHEBKHAH AMIN | Issue Writer Certificate

Keywords

DIRECT DISPLACEMENT-BASED DESIGNQ2

STEEL ECCENTRICALLY BRACED FRAMEQ2

SEISMIC BEHAVIORQ2

PERFORMANCE LEVELQ2

NONLINEAR STATIC ANALYSISQ2

Abstract

DIRECT DISPLACEMENT-BASED DESIGN (DDBD) is a performance-based seismic design method that has been proposed and developed over the past two decades for RC frame structures, shear walls and bridges design. The aim of this study is to evaluate overstrength of EBFs with short, intermediate and long link beams designed according to the DDBD method. For this purpose, twelve EBFs with 3, 5, 9 and 12 stories having short, intermediate and long link beams designed using the DDBD method. To investigate the SEISMIC BEHAVIOR of the considered EBFs, it is first necessary to model properly the nonlinear cyclic behavior of link beams properly. In this regard, the macro-model developed and proposed by Richards was utilized in this study to simulate the nonlinear behavior of some tested link beams available in the literature. After validating the finite-element model, the SEISMIC BEHAVIOR of the considered EBFs was studied using nonlinear static analyses. The results show that the overstrength factors of the DDB designed EBFs are variable depending on their links length ratio and may even be less than the factor proposed in the DDBD method (i.e.1.5). This factor was evaluated as 1.51, 1.37 and 1.19 for the investigated EBFs in this study with short, intermediate and long link beams, respectively.

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APA: Copy

FARAHANI, SINA, & MOHEBKHAH, AMIN. (2016). OVERSTRENGTH OF DISPLACEMENT-BASED DESIGNED ECCENTRICALLY BRACED STEEL FRAMES. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, 2(4), 48-61. SID. https://sid.ir/paper/252517/en

Vancouver: Copy

FARAHANI SINA, MOHEBKHAH AMIN. OVERSTRENGTH OF DISPLACEMENT-BASED DESIGNED ECCENTRICALLY BRACED STEEL FRAMES. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING[Internet]. 2016;2(4):48-61. Available from: https://sid.ir/paper/252517/en

IEEE: Copy

SINA FARAHANI, and AMIN MOHEBKHAH, “OVERSTRENGTH OF DISPLACEMENT-BASED DESIGNED ECCENTRICALLY BRACED STEEL FRAMES,” JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, vol. 2, no. 4, pp. 48–61, 2016, [Online]. Available: https://sid.ir/paper/252517/en

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