ENHANCING SEISMIC RESILIENCE OF HIGH-RISE BUILDING USING BASE ISOLATION TECHNIQUE WITH VARIOUS RUBBER THICKNESS

Structural Engineering

This project presents a smart way to protect tall buildings from earthquakes using base isolation techniques. The main aim is to reduce the impact of earthquake forces on structures by separating the building from its foundation. This clever anti-earthquake strategy adds flexibility to the structure. This project studies G+10 building made of reinforced concrete, located in a high seismic zone (Zone V). To make them safer, High Damping Rubber bearing (HDRB) systems with rubber thicknesses of 15cm, 20, 25 and 30cm as base isolators is used. For analysis, ETABS software is used. By comparing the results of different analysis methods, effectiveness of base isolation technique is in lessening the building's movement during an earthquake is checked. Things like total base shear forces, how much each floor moves (storey displacements), and how much each floor tilts (storey drifts) are analyzed. In this project, the findings for buildings with fixed bases and those with base isolation is compared. This study gives valuable insights into how base isolation can make high-rise buildings safer in earthquake-prone areas. This can help engineers and designers make better choices to protect buildings and the people inside them during earthquakes.

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