Earthquakes and Structures

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Eco-friendly ductile cementitious composites (EDCC) technique for seismic upgrading of unreinforced masonry (URM) infill walls: A review of literature

  • Haider Ali, Abbas (The Iraqi Ministry of Agriculture) ;
  • Naida, Ademovic (Faculty of Civil Engineering, University of Sarajevo) ;
  • Husain K., Jarallah (Department of Civil Engineering, College of Engineering, Mustansiriyah University)
  • Received : 2022.10.03
  • Accepted : 2022.12.05
  • Published : 2022.12.25
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Abstract

EDCC (Eco-Friendly Ductile Cementitious Composites) is a recently created class of engineered cementitious composites that exhibit extremely high ductility and elastoplastic behavior under pure tension. EDCC contains reduced amounts of cement and very large volumes of fly ash. Due to these properties, EDCC has become one of the solutions to use in seismic upgrading. This paper discloses previous studies and research that discussed the seismic upgrading of unreinforced, non-grouted, unconfined, and non-load bearing masonry walls which are called URM infill walls using the EDCC technique. URM infill wall is one of the weak links in the building structure to withstand the earthquake waves, as the brittle behavior of the URM infill walls behaves poorly during seismic events. The purpose of this study is to fill a knowledge gap about the theoretical and experimental ways to use the EDCC in URM infill walls. The findings reflect the ability of the EDCC to change the behavior from brittle to ductile to a certain percentage behavior, increasing the overall drift before collapse as it increases the energy dissipation, and resists significant shaking under extensive levels with various types and intensities.

Keywords

Acknowledgement

The authors would like to thank Mustansiriyah University (www.uomustansiriyah.edu.iq) Baghdad - Iraq for its support in the present work.

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