Structural · S-Q5PJJ

Concrete Beam Reinforcement and Slab Depression Details

Materials

Elements

Beams Floors / Slabs Reinforcing Roof / Floor Openings

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Standard concrete beam and slab construction includes typical cross-sections and conditions at a depressed slab. The beam features bottom reinforcing bars B1 and B2, top reinforcing bars T1 and T2, skin reinforcement as scheduled, and standard two-leg stirrups with specified concrete clear cover dimensions. At continuous supports, bottom reinforcing bars continue through the beam or terminate in standard hooks with a development length of Ldh minimum. The depressed slab condition indicates a transition or sloped reinforcing bar profile with overframed slab connections as required per plan. General notes dictate a maximum beam penetration diameter of six inches with two additional stirrups and ties on each side, sleeved penetrations maintaining a minimum clear spacing of three inches, and matching top reinforcing over shared supports to the greater scheduled value.

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