Abstract
Tilt and settlement of mid-rise RCC buildings with shallow foundations in alluvial soil has become a common problem, greatly affecting the structural stability; thus demands accurate investigation. Tilt monitoring to assess the verticality and non-destructive tests to assess strength and quality of concrete are practiced in real life situation, which cannot infer the overall building stability. Numerical modelling with fixed supports may address the stability issue to some extent, but the soil-structure interaction seems to contribute to a great extent on the stability of the tilted buildings; mainly on softer soil. Numerical study of building models on finite element platform considering different foundation and soil types, nature and extent of tilts, building configurations have been made in the present paper. It is found that soil type, soil-structure interaction, building configuration, amount and type of tilt have significant role on the stability of tilted buildings. The present study may be explored for safety evaluation and retrofit of existing multi-storied tilted buildings.
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