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Asian Journal of Civil Engineering

, Volume 20, Issue 3, pp 383–393 | Cite as

Evaluating inelastic performance of mega-scale bracing systems in low- and medium-rise structures

  • Moosa MazloomEmail author
  • Mohammadreza Gholipour
  • Mohammad Ghasemi
Original Paper
  • 5 Downloads

Abstract

In this paper, the various aspects of the seismic performance of different concentric bracing arrangements have been inelastically analyzed in a comprehensive manner. The results suggested that mega-scale bracing systems rendered more controlled performances during severe seismic events. These systems distributed the plastic hinges in much superior manners, allowing for the inelastic capacity to come into use. They reduced the target displacements due to the reduction in the natural periods of the structures. The mega-scale bracing systems also led to 25% reduction in the weight of the structures, 54% less drift ratios and 45% smaller uplift forces. The stiffness of the stories in these systems increased up to 100% and lateral displacements reduced by up to 32%.

Keywords

Mega-scale bracing Seismic analysis Nonlinear analyses Plastic hinges Target displacement 

Notes

Acknowledgements

The authors wish to acknowledge the supports of Shahid Rajaee Teacher Training University.

Compliance with ethical standards

Conflict of interest

The authors declare no conflict of interest.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Moosa Mazloom
    • 1
    Email author
  • Mohammadreza Gholipour
    • 2
  • Mohammad Ghasemi
    • 1
  1. 1.Department of Civil EngineeringShahid Rajaee Teacher Training UniversityTehranIran
  2. 2.Department of Civil EngineeringScience and Research Branch, Islamic Azad UniversityTehranIran

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