Structural · S-3M9YG

Tilt-Up Concrete Panel Opening Reinforcement and Chord Angle Detail

Materials

Concrete Reinforced Concrete Steel

Elements

Connections / Plates Reinforcing Roof / Floor Openings

Connections

Welded Connection Rebar Splice / Development

About this detail

Reinforcing steel around panel openings consists of scheduled panel reinforcement or two number five vertical bars on each side extending four feet beyond the opening edge, combined with two number five bars above and below. One number five by four-foot diagonal bar is placed at each corner of all openings as typical. If rebar cannot be extended the full four feet, it must extend the maximum allowable distance and terminate with a standard hook, maintaining a two-foot minimum edge distance. Section A-A details a concrete tilt-up panel with a diaphragm chord angle welded with a five-sixteenth fillet weld, noting that diaphragm chord angles are welded to each other at corner splices without requiring a plate.

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