Evaluation of the Effect of Link Beams on Seismic Performance and Parameters of Reinforced Concrete Box-type Buildings
Author(s):
Article Type:
Research/Original Article (بدون رتبه معتبر)
Abstract:
In many studies on the evaluation of seismic behavior of RC buildings with a box-type structural system, link beams are not included in models simulation in order to reduce the time and effort of calculations. In addition, in spite of early failure of the link beams to the shear walls, the system faces challenges because of dimensional limitations as well as design and construction of detailed specifications for the link elements as seismic fuses. The present study, while presenting a proposal for replacing reinforced concrete link beam with a replaceable steel type, investigates the effect of these elements on the seismic performance of box-type systems in the framework of relationships related to the strength reduction factor. According to the results, link beams have a significant effect on the system capacity and stiffness enhancement; and the model does not yield acceptable results by eliminating them. Replaceable steel link beams, while increasing the reliability of the system, have no effect on the performance level of the buildings under the design and maximum credible hazard levels. Due to the replace-ability of these elements, in order to compensate for the constructional weaknesses available, their usage is suggested.
Keywords:
Language:
Persian
Published:
Civil Infrastructure Researches, Volume:4 Issue: 1, 2018
Pages:
25 to 39
https://magiran.com/p1890090
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