![]() Similar tables can be created for other tie bar sizes and circular longitudinal bar arrangements.įor columns in ordinary moment frames in buildings assigned to Seismic Design Category (SDC) A or B, or in intermediate moment frames in buildings assigned to SDC C, lap splices of the longitudinal bars are permitted to occur immediately above the top of the slab, which is the preferred location for ease of construction ( Figure 2). The column face dimensions have been rounded to the nearest inch. To facilitate the selection of the longitudinal bars, Table 2 contains the minimum face dimension of rectangular tied columns with normal lap splices based on the minimum spacing requirements assuming 1.5-inch clear cover to #4 ties. Minimum face dimension (inches) of rectangular tied columns with normal lap splices. ![]()
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