Structural · S-CTCFX

Concrete Beam and Girder Construction Joint Reinforcement Detail

Materials

Elements

Beams Foundations / Footings Reinforcing

About this detail

A concrete construction joint in a beam or girder connects a first pour to a second pour within the middle third of the span. All primary reinforcing bars continue uninterrupted across the joint interface, supplemented by added ties typically spaced at one foot on center. Transverse bar configurations are scaled to member width, requiring one number six bar each way for members up to seven inches wide, two number six bars each way for members eight to twenty inches wide, four number six bars each way for members twenty to forty inches wide, and six number six bars each way for members wider than forty inches. Additional ties are spaced closely at three-inch increments near the joint interface.

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