Abstract
The results of multistage hierarchical validation of the advanced FEM models used to define rotation capacity of steel joints have been presented in the paper. Validation process has been carried out for different models with various level of complexity. Comparative analysis of the FEM models has been conducted in relation to results of own laboratory tests. Developed methodology of formation material characteristic was a base for further analysis of advanced models of end plate beam-tocolumn connections of in the area of forecasting rotation capacity of the joint and the whole M- curve.
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