Earthquakes and Structures

  • 제8권1호
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  • Pages.205-224
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  • 2015
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  • 2092-7614(pISSN)
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  • 2092-7622(eISSN)
테크노프레스 (Techno-Press)
권호 표지
DOI QR코드

DOI QR Code

Plastic design of seismic resistant reinforced concrete frame

  • 투고 : 2014.06.17
  • 심사 : 2014.10.27
  • 발행 : 2015.01.25
⟨ 이전 논문 다음 논문 ⟩

초록

A new method for designing moment resisting concrete frames failing in a global mode is presented in this paper. Starting from the analysis of the typical collapse mechanisms of frames subjected to horizontal forces, the method is based on the application of the kinematic theorem of plastic collapse. The beam section properties are assumed to be known quantities, because they are designed to resist vertical loads. As a consequence, the unknowns of the design problem are the column sections. They are determined by means of design conditions expressing that the kinematically admissible multiplier of the horizontal forces corresponding to the global mechanism has to be the smallest among all kinematically admissible multipliers. In addition, the proposed design method includes the influence of second-order effects. In particular, second-order effects can play an important role in the seismic design and can be accounted for by means of the mechanism equilibrium curves of the analysed collapse mechanism. The practical application of the proposed methodology is herein presented with reference to the design of a multi-storey frame whose pattern of yielding is validated by means of push-over analysis.

키워드

참고문헌

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  2. Theory of Plastic Mechanism Control for MRF–EBF dual systems: Closed form solution vol.118, 2016, https://doi.org/10.1016/j.engstruct.2016.03.050
  3. Smart and simple design of seismic resistant reinforced concrete frame vol.115, 2017, https://doi.org/10.1016/j.compositesb.2016.09.050
  4. A general design procedure for failure mechanism control of reinforced concrete frames vol.118, 2016, https://doi.org/10.1016/j.engstruct.2016.03.043
  5. The Use of TPMC for Designing MRFs Equipped with FREEDAM Connections: A Case Study vol.763, pp.1662-9795, 2018, https://doi.org/10.4028/www.scientific.net/KEM.763.1041
  6. Performance evaluation of a seismic retrofitted R.C. precast industrial building vol.12, pp.1, 2017, https://doi.org/10.12989/eas.2017.12.1.013
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