Numerical investigation on progressive collapse resistance of post-tensioned precast concrete beam-column assemblies under a column-loss scenario

Engineering Structures（2022）

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摘要

•Post-tensioned precast concrete (PTPC) frame model was established and validated using previous experimental data.•Modelling method for the concrete-concrete interface behavior was provided in this study.•Understanding of the load-carrying mechanism of PTPC frames.•Implications for structural design of PTPC frames against progressive collapse.

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关键词

Progressive collapse,Precast concrete,Finite element,Load-resisting mechanism,Cohesive zone model,Beam-column interface

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