Earthquakes and Structures

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Enhancement of in-plane load-bearing capacity of masonry walls by using interlocking units

  • Kayaalp, Fatma Birinci (Department of Civil Engineering, Karadeniz Technical University) ;
  • Husem, Metin (Department of Civil Engineering, Karadeniz Technical University)
  • Received : 2021.04.26
  • Accepted : 2022.04.20
  • Published : 2022.05.25
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Abstract

This paper presents a comparative experimental study on structural behavior of the interlocking masonry walls under in-plane cyclic loading. The main purpose of this study is to increase lateral load-bearing capacities of masonry walls by using interlocking units. The interlocking units were designed by considering failure modes of masonry walls and produced using lightweight foamed concrete. To this end, three masonry walls which are hollow, fully grouted, and reinforced were constructed with interlocking units. Also, a traditional masonry brick wall was built for comparison reasons. The walls were tested under in-plane cyclic loading. Then, structural parameters of the walls such as lateral load bearing and total energy dissipation capacities, ductility, stiffness degradation as well as failure modes obtained from the tests were compared with each other. The results have shown that the walls with the interlocking units have better structural performance than traditional masonry brick walls and they may be used in the construction of low-rise masonry structures in rural areas to improve in-plane structural performance.

Keywords

Acknowledgement

This study was financially supported by Scientific Research Project Coordination Unit of Karadeniz Technical University (FHD-2015-5310)

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