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Seismic Vulnerability Assessment of Corruagted Steel Shear Walls Using Fragility Curves
Structural damages and subsequently considerable economic losses that ever made in catastrophic seismic events caused reaserchers and codes gradually move from prescriptive design to performance-based design. Seismic fragility analyses are one of the most important tools in performance-based seismic design of structures that lead to production of fragility curves and functions. Fragility function is a capable tool for probabilistic assessment of the seismic vulnerability of the structures. In this study, in order to assess seismic vulnerability of corrugated steel shear walls and compare their seismic vulnerability with simple steel shear walls, fragility functions have been developed and fragility curves have been constructed. In this regard, the effect of the corrugation angle has been studied in corrugated models. Construction of these curves has became feasible through conducting incremental dynamic analyses. For this purpose, inter-story drift and peak ground acceleration have been used as damage measure and ground motion intensity measure, respectively. Assessment of resulted curves show that in low seismic intensity, probability of damage in corrugated models is reduced by increasing the corrugation angle; while, in high seismic intensity, probability of damage in corrugated models has been increased by increasing the corrugation angle. On the other hand, results indicate that corrugated models have more appropriate seismic performance than simple model in low seismic intensity.
Seismic Vulnerability Assessment of Corruagted Steel Shear Walls Using Fragility Curves
Structural damages and subsequently considerable economic losses that ever made in catastrophic seismic events caused reaserchers and codes gradually move from prescriptive design to performance-based design. Seismic fragility analyses are one of the most important tools in performance-based seismic design of structures that lead to production of fragility curves and functions. Fragility function is a capable tool for probabilistic assessment of the seismic vulnerability of the structures. In this study, in order to assess seismic vulnerability of corrugated steel shear walls and compare their seismic vulnerability with simple steel shear walls, fragility functions have been developed and fragility curves have been constructed. In this regard, the effect of the corrugation angle has been studied in corrugated models. Construction of these curves has became feasible through conducting incremental dynamic analyses. For this purpose, inter-story drift and peak ground acceleration have been used as damage measure and ground motion intensity measure, respectively. Assessment of resulted curves show that in low seismic intensity, probability of damage in corrugated models is reduced by increasing the corrugation angle; while, in high seismic intensity, probability of damage in corrugated models has been increased by increasing the corrugation angle. On the other hand, results indicate that corrugated models have more appropriate seismic performance than simple model in low seismic intensity.
Seismic Vulnerability Assessment of Corruagted Steel Shear Walls Using Fragility Curves
Seyed Saeed Askariani (author) / Farzad Shahabian (author)
2019
Article (Journal)
Electronic Resource
Unknown
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