Experimental investigation of the effect of brick pattern on the structural response of masonry arches and barrel vaults

In this study, an experimental campaign is carried out on 1:5 in-scale models of arches and barrel vaults built with different brick patterns (radial and vertical), to investigate their structural behaviour under settlement of the supports. Models are built with cement blocks and lime mortar joints. The arch models are tested under opening settlement of one support, whereas vaults are tested under shear settlement of one abutment. The three-dimensional deformations of the structures are acquired by image and video recording, 3D-Digital Image Correlation (DIC), close-range photogrammetry and structured light scanner. The influence of the brick pattern is investigated through comparison of crack patterns, ultimate displacements and failure mechanisms.