Probabilistic models for blast parameters and fragility estimates of steel columns subject to blast loads

• Published in: Engineering structures Vol. 222; p. 110944
• Main Authors: Singh, Karandeep, Gardoni, Paolo, Stochino, Flavio
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.11.2020; Elsevier BV
• Subjects: Atmospheric conditions; Atmospheric models; Axial loads; Blast loading; Blast loads; Blasting (explosive); Buckling; Conditional probability; Explosions; Failure; Flexing; Fragility; Fragility estimates; Limit states; Load; Mathematical models; Parameter estimation; Peak pressure; Probabilistic blast models; Probabilistic models; SDOF analysis; Statistical analysis; Steel; Steel column; Steel columns; Steel frames; Strain rate; Uncertainty; Blast loading; Steel column; Probabilistic blast models; SDOF analysis; Fragility estimates

•Probabilistic framework to predict steel columns failure under blast loads.•The blast load models predict the structural demands.•Correction terms are introduced in the probabilistic models to correct the bias.•Strain-rate dependent capacity models for flexure and global buckling are used.•Results...