Structural · S-KJG5B

Grade Beam Pipe Sleeve Reinforcing Detail through Middle Half

Elements

Beams Foundations / Footings Reinforcing

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A pipe sleeve penetrates a concrete grade beam through the middle half of its span, maintaining strict dimensional limits and clearance requirements. Maximum sleeve size is limited to eight inches diameter or one-quarter of the beam depth, whichever is smaller. A minimum half-inch gap is provided between the sleeve and pipe, or as stated in the geotechnical report. Two additional shear stirrups are placed on each side of the sleeve, spaced within four inches maximum and one-third of the beam depth. The center portion of the beam depth is kept clear of sleeves within a distance of one-quarter depth from top and bottom reinforcing.

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