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Seismic performance assessment of Strong-back braced frames at collapse level

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Authors Seismic performance assessment of Strong-back braced frames at collapse level

  Mohammadreza Salek Faramarzi - MSc Student, Amirkabir university of technology, Tehran, Iran
  Touraj Taghikhany - Associate Professor, Amirkabir university of technology, Tehran, Iran


In prescriptive seismic design codes, quantification of seismic performance factors (R, Ω, Cd) for new structural systems is decisive step. One of the recent introduced structural bracing systems is called Strong-Back System (SBS), which is a hybrid of a conventional inelastic system and an essentially elastic steel truss designed to distribute demands uniformly. The purpose of this study is to evaluate these factors for SBS. To this end, series of nonlinear static and dynamic analyses are conducted and the derived parameters are compared with the accepted values proposed by FEMA-P695. The results indicated that R=6 can be appropriate value for SBS


Braced frames, Seismic performance factor, Strong-back systems, CMR, Nonlinear analysis.

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COI code: SECM03_145

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Salek Faramarzi, Mohammadreza & Touraj Taghikhany, 2019, Seismic performance assessment of Strong-back braced frames at collapse level, rd International Conference on Applied Researches in Structural Engineering and Construction Management (secm2019), تهران, دانشگاه صنعتي شريف, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Salek Faramarzi, Mohammadreza & Touraj Taghikhany, 2019)
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The University/Research Center Information:
Type: state university
Paper No.: 19662
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