Assessment of Soil-Structure Interaction for Reinforced Concrete Buildings in Seismic-Prone Regions
DOI:
https://doi.org/10.22399/ijcesen.4759Keywords:
Base shear, Building response, Earthquake analysis, Fixed-base condition, Fundamental period, Inter-story driftAbstract
Soil-structure interaction (SSI) testing is important for finding out how well reinforced concrete (RC) buildings handle earthquakes, especially in places where they happen often. A fixed-base condition is often used in traditional structural analysis, which ignores the role of soil flexibility and may result in erroneous estimates of structure response. This study compares fixed-base and flexible-base models to see how SSI affects multi-story RC constructions. The study uses empirical formulas and numerical simulations to assess stiffness fluctuations, interstory drift, and overall structural stability under seismic loads. The findings emphasize the importance of SSI in changing structural responses, resulting in an increase in basic period and displacement under flexible-base settings. The results underscore the need of include SSI effects in seismic design to increase accuracy and resilience.
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