Durgesh C. Rai1, S. Komaraneni2 and Vaibhav Singhal3
- Associate Professor, Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur, UP 208016, India, dcrai@iitk.ac.in
- Graduate Student, Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur, UP 208016, India, komaraneni1984@gmail.com
- D. Student, Department of Civil Engineering, Indian Institute of Technology Kanpur, Kanpur, UP 208016, India, singhal@iitk.ac.in
ABSTRACT
Half-scaled clay brick infill masonry panels were subjected to a sequence of slow cyclic in-plane drifts and shake table generated out-of-plane ground motions to assess the interaction of in-plane damage over the out-of-plane behaviour. The results show that the infill panels maintained structural integrity and out-of-plane stability even when severely damaged; and out-of-plane failure may not be because of excessive inertial forces only but can be due to large out-of-plane deflections. Also, the weaker interior grid elements which divide the masonry in smaller subpanels were able to delay the failure by controlling out-of-plane deflection and significantly enhancing in-plane response.
KEYWORDS: Masonry, infills, stability, seismic response
A8-2
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