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Shop welded-field bolted moment connections

Shop welded-field bolted moment connections

FIGURE 4.27 Shop welded-field bolted connections.

4.12.1.1 Axially Loaded Base Plates

Base plates supporting concentrically loaded columns in frames in which the column bases are assumed pinned are designed with the assumption that the column factored load Pu is distributed uniformly to the area of concrete under the base plate. The size of the base plate is determined from the limit state of bearing on concrete. The design bearing strength of concrete is given by the equation f c Pp = 0 . 60

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