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International Design Codes
ACI 318-19
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: Concrete Beam-Column Joint Design
TSC 2018 :
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Notation in ACI 318-19
h = overall thickness, height, or depth of member, in.
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The shear resulting from moment created by gravity load, wind, earthquake or other lateral forces at beam-column joints should be considered in the design of the joint.
According to ACI 15.2.6, if a column extension provides continuity through a beam-colum joint in the direction of joint shear, it considered shall satisfy the following two conditions:
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of
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the
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joint
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According to ACI 15.2.7, if a beam extension provides continuity through a beam-colum joint in the direction of joint shear, it considered shall satisfy the following two conditions:
The beam extends at least one beam depth h beyond the joint face.
Longitudinal and transverse reinforcement from the beam on the opposite side of the joint is continued through the extension.
According to ACI 15.2.8, for a beam-colum joint to be considered confined for the direction of joint shear, two transverse beams should be satisfed the following three conditions:
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Width of each transverse beam is at least three-quarters of the width of the column face into which the beam frames
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Transverse beams extend at least one beam depth h beyond the joint faces
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