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Computers and Concrete
  Volume 12, Number 5, November 2013, pages 681-695
DOI: http://dx.doi.org/10.12989/cac.2013.12.5.681
 


Seismic assessment of R/C residential buildings with infill walls in Turkey
Kasim Armagan Korkmaz, Ali Haydar Kayhan and Taner Ucar

 
Abstract
    In 1999 Marmara and 2011 Van earthquakes in Turkey, majority of the existing buildings either sustained severe damage or collapsed. These buildings include masonry infill walls in both the interior and exterior R/C frames. The material of the masonry infill is the main variant, ranging from natural stones to bricks and blocks. It is demanding to design these buildings for satisfactory structural behavior. In general, masonry infill walls are considered by its weights not by interaction between walls and frames. In this study, R/C buildings with infill walls are considered in terms of structural behavior. Therefore, 5 and 8-story R/C buildings are regarded as the representative models in the analyses. The R/C representative buildings, both with and without infill walls were analyzed to determine the effects of structural behavior change. The differences in earthquake behavior of these representative buildings were investigated to determine the effects of infill walls leading structural capacity. First, pushover curves of the representative buildings were sketched. Aftermath, time history analyses were carried out to define the displacement demands. Finally, fragility analyses were performed. Throughout the fragility analyses, probabilistic seismic assessment for R/C building structures both with and without infill walls were provided. In this study, besides the deterministic assessment methodology, a probabilistic approach was followed to define structural effect of infill walls under seismic loads.
 
Key Words
    structural irregularities in R/C structures; structures with infill walls; nonlinear pushover analysis; fragility analysis
 
Address
Kasim Armagan Korkmaz: Civil Engineering Department, Istanbul Technical University, Istanbul, Turkey
Ali Haydar Kayhan: Civil Engineering Department, Pamukkale University, Denizli, Turkey
Taner Ucar: Architecture Department, Dokuz Eylul University, Izmir, Turkey
 

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