Reliability assessment of concrete structures. Software package under development : Project GA 1O3/02/1030 (Czech Grand Agency) International project SARA BUT, Faculty of Civil Engineering, Brno Cervenka Consulting, Prague BOKU and TU Vienna. SARA studio. FREET. ATENA Interface.
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Software package under development:
BUT, Faculty of Civil Engineering, Brno
Cervenka Consulting, Prague
BOKU and TU Vienna
Independence of FEM mesh (localization limiter) (Bažant and Oh, 1983).
Statistical simulation - random input parameters are generated according to their PDF using LHS.
Generated realizations of random parameters are then used as inputs for ATENA computational model. The complex nonlinear solution is performed and results (response) are saved.
Previous two steps are repeated N-times (N is the number of simulations used).
Statistical assessment - the resulting set of structural responses is statistically evaluated: Mean value, variance, coefficient of skewness, histogram, empirical cumulative probability density function of structural response, etc.Probabilistic module - FREET implementation into ATENA
Practical example - PORR bridge in Vienna
upper triangle - presribed correlation matrix
lower triangle - generated correlation matrix
Reliability assessment (Prof. Novak and Mrs. Eichinger)