PREDICTION OF DUCTILE DAMAGE IN CASE OF SEISMIC ACTION USING INNOVATIVE DAMAGE MECHANICS

Abstract eng:
An approach to investigate the true behaviour of dissipative elements utilising numerical simulations is presented. By way of example dissipative members in terms of beamcolumn connections of moment-resisting frames are considered. Material failure in terms of crack formation is taken into account by incorporating a damage mechanics model into the numerical analyses. By means of a phenomenological damage mechanics model, which is based on critical strains depending on the stress state, an efficient simulation of large scale components is enabled. To validate this approach, an extensive testing program has been performed. Subsequently, numerical simulations of the experimental investigations have been conducted.

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