Calibration of a Numerical Model for Masonry Infilled RC Frames

Abstract eng:
This paper introduces a finite element scheme and a systematic calibration approach for masonry infilled RC frames. The modeling scheme combines the smeared crack approach with discrete crack elements to allow for the opening of diffused flexural and dominant shear cracks. It is, therefore, able to capture the nonlinear material behavior and the interaction of the infill wall with the bounding RC frame. The proposed modeling approach and calibration methodology are evaluated with experimental data of two non-ductile, infilled, RC frames with distinct failure mechanisms. The comparison of the numerical and laboratory data indicates that the numerical models successfully capture the highly nonlinear behavior of the physical specimens.

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