The paper proposes a new theoretical model describing the strain-sensing response of smart bricks, a novel class of piezoresistive smart sensors for structural health monitoring of masonry structures. The proposed model is experimentally validated by carrying out electromechanical tests on single smart bricks. An illustrative application is also presented to exemplify the use of the model when smart bricks are embedded within a masonry wall. Results demonstrate that the novel theoretical model is able to accurately reproduce the bricks’ response when subjected to compressive loads and is also effective for strain estimation and damage detection in a typical structural setting.
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