<p>Recovery functions for archetype reinforced concrete (RC) buildings in hilly regions, such as the Northwestern Indian Himalayan Region (NWIHR) are proposed to compute the expected functionality of these buildings after being affected by an earthquake to their desired functionality and to quantify their seismic resilience. For effective post-hazard rescue and resettlement, it is crucial to ensure that the building stock in the seismically active NWIHR recovers quickly and attains its functionality after being subjected to an earthquake. The present study proposes recovery functions for archetype RC buildings in this region, both engineered and poorly detailed (non-code compliant), and their applicability is demonstrated through a detailed numerical study. In this direction, a field survey was conducted to collect data regarding the functional recovery time of archetype RC buildings from practicing professionals to propose the recovery functions associated with different damage states. In addition, the seismic fragility analyses of these archetype RC buildings are carried out to develop seismic fragility curves. These recovery functions and seismic fragility curves are then used to evaluate the expected functionality of archetype RC buildings situated in the NWIHR, and their seismic resilience is quantified in terms of the resilience index.</p>

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Development of recovery functions for seismic resilience evaluation of reinforced concrete buildings in the Northwestern Indian Himalayan region

  • Rahul Kumar,
  • Sandip Kumar Saha

摘要

Recovery functions for archetype reinforced concrete (RC) buildings in hilly regions, such as the Northwestern Indian Himalayan Region (NWIHR) are proposed to compute the expected functionality of these buildings after being affected by an earthquake to their desired functionality and to quantify their seismic resilience. For effective post-hazard rescue and resettlement, it is crucial to ensure that the building stock in the seismically active NWIHR recovers quickly and attains its functionality after being subjected to an earthquake. The present study proposes recovery functions for archetype RC buildings in this region, both engineered and poorly detailed (non-code compliant), and their applicability is demonstrated through a detailed numerical study. In this direction, a field survey was conducted to collect data regarding the functional recovery time of archetype RC buildings from practicing professionals to propose the recovery functions associated with different damage states. In addition, the seismic fragility analyses of these archetype RC buildings are carried out to develop seismic fragility curves. These recovery functions and seismic fragility curves are then used to evaluate the expected functionality of archetype RC buildings situated in the NWIHR, and their seismic resilience is quantified in terms of the resilience index.