Seismic evaluation and cost of retrofitting of load bearing structures – a case study-based approach India perspective
by Salman Khursheed; Virendra Kumar Paul; Parnika Yadav
International Journal of Masonry Research and Innovation (IJMRI), Vol. 8, No. 1, 2023

Abstract: The load bearing masonry structures in India are reported to be non-engineered buildings and are found to be among the most vulnerable structures for damage against seismic loads. This paper gives an overall view of the procedure to be followed for the condition assessment of a load bearing structure standard codes based on the research works as addressed by various researchers in the industry. This study follows a comprehensive evaluation of a case study building based on the Indian Standards: IS:1905 (1987) and IS:1893 (PART-1: 2016) for the detailed reasons for the identification of structural distress in load bearing masonry structure based on the damageability grade as per IS:13935 (2009). Furthermore, the paper also insinuates the support of the decision of structural retrofitting based on-demand capacity ratio (DCR) calculated for the permissible stress values calculated for the load-bearing walls in the case study as per IS:15988 (2013). The paper demonstrates a viable retrofitting technique of Ferro cement mesh overlay that has been used to enhance the strength of the existing structure as applied on the case study along with its cost analysis.

Online publication date: Tue, 06-Dec-2022

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