RC Infilling of Existing RC Structures for Seismic Retrofitting

  • Christis Z. Chrysostomou
  • Nicholas Kyriakides
  • Martin Poljanšek
  • Fabio Taucer
  • Francisco Javier Molina
Part of the Geotechnical, Geological and Earthquake Engineering book series (GGEE, volume 26)


The effectiveness of seismic retrofitting of multi-storey multi-bay RC-frame buildings by converting selected bays into new walls through infilling with reinforced concrete (RC) was studied experimentally at the ELSA facility of the Joint Research Centre in Ispra (Italy). A full-scale structure was tested with the pseudo-dynamic method. It consisted of 2 four-storey (12 m tall) three-bay (8.5 m long) parallel frames linked through 0.15 m slabs. The central bay (2.5 m) of each frame is infilled with a RC wall. The frames were designed and detailed for gravity loads only and are typical of similar frames built in Cyprus in the 1970s. Different connection details and reinforcement percentages for the two infilled frames were used in order to study their effects in determining structural response. The results of the pseudo-dynamic and cyclic tests performed on the specimen are presented, and conclusions are drawn.


Reinforce Concrete Fibre Reinforce Polymer South Wall Reinforce Concrete Frame Infill Wall 
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The research leading to these results has received funding from the European Community’s Seventh Framework Program [FP7/2007-2012] for access to the European Laboratory for Structural Assessment of the European Commission – Joint Research Centre under grant agreement no. 227887 [SERIES]. The authors would also like to acknowledge Prof. Michael Fardis for his invaluable suggestions for the setting-up of the mock-up and testing campaign, as well as Artur Pinto, Georges Magonette and all the staff of the ELSA laboratory for their contribution in constructing and testing the test specimen.


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Christis Z. Chrysostomou
    • 1
  • Nicholas Kyriakides
    • 1
  • Martin Poljanšek
    • 2
  • Fabio Taucer
    • 2
  • Francisco Javier Molina
    • 2
  1. 1.Department of Civil Engineering and GeomaticsCyprus University of TechnologyLimassolCyprus
  2. 2.European Laboratory for Structural Assessment, Institute for the Protection and Security of the CitizenJoint Research Centre, European CommissionIspraItaly

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