Reinforced Concrete Buildings and Performance-Based Design: Insights from a Meta-Analysis
Keywords:
Performance-based design, reinforced concrete, seismic performance, nonlinear analysis, structural resilience.Abstract
Performance-based design (PBD) has emerged as a critical paradigm shift in structural engineering, particularly for reinforced concrete buildings in seismically active regions. This study investigates the efficacy of PBD methodologies through quantitative analysis of 127 reinforced concrete structures designed using both conventional and performance-based approaches. Data collected from structural monitoring during actual seismic events and advanced nonlinear time-history analyses demonstrate that PBD-designed structures exhibited 37% less inter-story drift and 42% reduction in damage repair costs compared to code-compliant prescriptive designs, while maintaining comparable initial construction costs. Statistical analysis reveals significant correlations between performance parameters and structural configurations, with particular emphasis on the influence of irregularity indices on seismic response. The research identifies optimal PBD implementation strategies that balance safety, performance, and economic considerations, providing empirical validation for the superiority of performance-based methodologies in achieving resilient reinforced concrete buildings capable of meeting predefined performance objectives under various hazard levels.
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References
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