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Bulletin of Earthquake Engineering

, Volume 17, Issue 7, pp 3933–3957 | Cite as

Seismic behavior of autoclaved aerated concrete low rise buildings with reinforced wall panels

  • Furkan Gokmen
  • Baris Binici
  • Alper AldemirEmail author
  • Armin Taghipour
  • Erdem Canbay
Original Research
  • 129 Downloads

Abstract

Reinforced Autoclaved Aerated Concrete (AAC) wall panels are more commonly used to construct load-bearing walls in low-rise prefabricated buildings located in seismic zones. In the scope of this study, the seismic response of buildings constructed with reinforced AAC wall panels was investigated. To this end, an in situ test was conducted on a two-story test building under reversed cyclic displacement excursions. It was determined that the test building could carry a lateral load of 60% more than its weight and has a global displacement ductility of about 3.5. The first story of the building was observed to be critical and the failure of the building was due to overturning response of the whole system. In addition, the proposed numerical models for simulating the behavior of the AAC wall panels were validated. These calibrated numerical models were utilized to conduct nonlinear static analysis of the test building and a reasonably good agreement was observed between the test results and simulations. The results of the incremental dynamic analyses demonstrated that i) the two-story test building could resist strong ground motions with PGA values up to 0.6 g without undergoing significant plastic deformations and ii) a reserve of ductility and over strength is available for the AAC panel building to survive earthquakes with PGAs reaching nearly 0.6 g. Based on these numerical results, reinforced AAC wall panel buildings appear to be good alternatives for low-rise construction in seismic regions.

Keywords

Autoclaved aerated concrete AAC Vertical reinforced AAC panels Reinforced panel building In-situ test Nonlinear analysis Incremental dynamic analysis 

Notes

Acknowledgements

Authors acknowledge the financial support provided by Turkish Autoclaved Aerated Concrete Association (TAACA). The second author acknowledges the support from TUBA-GEBIP for continuing research endeavors. The contributions of Salim Azak and METU Structural Mechanics Laboratory technicians Osman Keskin, Murat Demirel and Barıs Esen during the site and laboratory work are also gratefully acknowledged.

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Department of Civil EngineeringMiddle East Technical UniversityAnkaraTurkey
  2. 2.Department of Civil EngineeringHacettepe UniversityAnkaraTurkey

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