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Welded flange plate moment connections consist of plates welded with CJP groove welds to column flanges and welded to beam flanges.
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Symbols
Ab: Non-threaded bolt web characteristic cross-sectional area
Ag: Gross area
An: Net cross-section area
Ae: Effective net cross-sectional area
Avg: Gross area under shear stress
Anv: Net area under shear stress
Ant: Net area under tensile stress
Aw: Cross-section web area
bbf = width of beam flange, in. (mm)
bp = width of end-plate, in. (mm)
d = depth of connecting beam, in. (mm)
g = horizontal distance between bolts, in. (mm)
dh: Bolt hole diameter
Fy: Structural steel characteristic yield strength
Fu: Structural steel characteristic tensile strength
Fyb: Bolt characteristic yield strength
Fub: Bolt characteristic tensile strength
nsp: Number of slip planes
s: Distance between bolt-holecenters
L: Connector distance
Lc: The clear distance between bolt holes
Le: The distance from the center of the bolt hole to the edge of the assembled element
Leh: The horizontal distance from the center of the bolt hole to the edge of the assembled element
Lev: The vertical distance from the center of the bolt hole to the edge of the assembled element
pb = vertical distance between the inner and outer row of bolts in an eight-bolt stiffened connection, in. (mm)
pfi = vertical distance from the inside of a beam tension flange to the nearest inside bolt row, in. (mm)
pfo = vertical distance from the outside of a beam tension flange to the nearest outside bolt row, in. (mm)
tbf = thickness of beam flange, in. (mm)
tp = thickness of end-plate, in. (mm)
Rn: Characteristic strength
Connection Geometry
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GEOMETRY CHECK
Flange Plate to Beam Flange Weld Size
The minimum size of fillet welds is checked according to AISC 360-16 Table J2.4
w ≥ wmin |
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w | 11.315 mm |
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wmin | 6 mm | Table J2.4 | √ |
Shear Plate to Beam Web Weld Size
The minimum size of fillet welds is checked according to AISC 360-16 Table J2.4
w ≥ wmin |
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w | 11.315 mm |
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wmin | 5 mm | Table J2.4 | √ |
Shear Plate to Column Flange Weld Size
The minimum size of fillet welds is checked according to AISC 360-16 Table J2.4
w ≥ wmin |
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w | 11.315 mm |
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wmin | 5 mm | Table J2.4 | √ |
Continuity Plate to Column Flange Weld Size
The minimum size of fillet welds is checked according to AISC 360-16 Table J2.4
w ≥ wmin |
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w | 11.315 mm |
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wmin | 6 mm | Table J2.4 | √ |
Continuity Plate to Column Web Weld Size
The minimum size of fillet welds is checked according to AISC 360-16 Table J2.4
w ≥ wmin |
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w | 11.315 mm |
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wmin | 6 mm | Table J2.4 | √ |
STRENGTH CHECKS
Flange Plate to Beam Flange Weld Strength
The nominal and design strength of the weld is checked according to AISC 360-16
Lwı | 760 mm | AISC 360-16 J2.4(c) |
Lwt | 210 mm |
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Fe | 490 N/mm2 |
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Rnwl |  |
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Rnwt |  |
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Rnw |  |
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w | 11.315 mm |
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Fu-plate | 360 N/mm2 |
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Fu flange | 360 N/mm2 |
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tp | 16 mm |
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tf | 17.2 mm |
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RnBM |
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Rn |  |
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ΦRn |  |
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Required | Available | Ratio | Control |
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505.682 kN | 1140.426 kN | 0.296 | √ |
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