Identification of damage model with cracks from results of tensile test and three point bending test

Abstract eng:
During the three-point bending test, a concrete specimen is damaged by cracking. Brancherie and Ibrahimbegović are authors of a relatively simple model capable of describing the behavior of specimen weakened by distributed damage as well as macroscopic cracks. In this paper we discuss the identification method for model material parameters from measured data during the tensile loading test and three-point bending test. The emphasis is put on the formulation and solving of the minimization problem.

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