How does ideCAD T-Beam effective flange width according to ACI 318-19?
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bf = effective flange width, in.
bw = web width or diameter of circular section, in.
h = overall thickness, height, or depth of the member, in.
ln = length of clear span measured face-to-face of supports, in.
sw = clear distance between adjacent webs, in.
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In nonprestressed T-Beam monolithic concrete construction, the effective flange width bf, equals to the beam width bw plus an effective overhanging flange width in accordance with ACI Table 6.3.2.1.
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According to ACI 6.3.2.2, isolated nonprestressed T-beams, as used to provide additional compression area, should have a flange thickness greater than or equal to 0.5bw and an effective flange width less than or equal to 4bw.
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