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/wiki/spaces/2IMEI/pages/1124172249 , earthquake loads must be safely transferred from floors to vertical bearing elements. In the definition of A3 type irregularity, a floor plan in which "the presence of local floor gaps that make it difficult to transfer earthquake loads to vertical bearing system elements" is shown in the above picture. The shear stresses accumulated in these spacesare also controlled by article 7.11.5 . When such gaps are opened in the critical areas of the vertical bearing elements, both 7.11.3 slab stress checks and 7.11.5 seismic loads are safely transferred from the floors to the vertical bearing elements.
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