Abstract
This paper presents an innovative procedure for deriving out-of-plane homogenized failure surfaces of masonry test-windows. The procedure is called approach because is based on the creation of a 30 finite element mesh directly from the outline of a masonry cell, in which each 20 pixel is transformed into a 30 voxel and then into a single finite element. Subsequently, a kinematic limit analysis problem is solved within a Matlab script to extract the out-of-plane homogenized failure surfaces of masonry. Two different surfaces are extracted, exploring two sets of moment conditions. A stretcher bond masonry test-window is investigated, for which the two failure surfaces and three relevant failure modes are extracted. The final failure surfaces for this sample test-window are consistent with analogous results from a previous work, and the failure modes are consistent with the expectations, confirming the validity of the homogenized limit analysis as formulated in this work.
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