Bolted Flange Plate Connection Design with AISC 358-16
Bolted Flange Plate Connection Design with AISC 358-16 is explained in detail under this title.
Joint Geometry

GEOMETRY CHECKS
Bolt Spacing at Flange
smin ≥ 3d | AISC 360-16 J3.3 |
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s | 84 mm |
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d | 27 mm | s =84 mm > smin = 3*27=81 mm | √ |
Horizontal Edge Distance at Flange
Le ≥ L e- min | AISC 360-16 J3.4 |
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Le | 60 mm | Le ≥ 2d = 2 * 27 = 54 mm conformity check for application | √ |
Le- min | 34 mm | Minimum distance check according to Table J3.4 | √ |
Vertical Edge Distance at Flange
L e ≥ L e- min | AISC 360-16 J3.4 |
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Le | 50 mm | Check suitability for L e ≥ 2d = 2 * 27 = mm application | √ |
Le- min | 34 mm | Minimum distance check according to Table J3.4 | √ |
Bolt Spacing at web
smin ≥ 3d | AISC 360-16 J3.3 |
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s | 72 mm |
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d | 24 mm | s =7 mm > smin = 3*24=72 mm | √ |
Horizontal Edge Distance at web
L e ≥ L e- min | AISC 360-16 J3.4 |
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Le | 90 mm | Conformity check for Le ≥ 2d = 2 * 24 = 48 mm application | √ |
Le- min | 30 mm | Minimum distance check according to Table J3.4 | √ |
Vertical Edge Distance at web
L e ≥ L e- min | AISC 360-16 J3.4 |
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Le | 60 mm | L eh ≥ 2d = 2 * 24 = 48 mm conformity check for application | √ |
Le- min | 30 mm | Minimum distance check according to Table J3.4 | √ |
Shear Plate to Column Flange Weld Size
w ≥ wmin | AISC 360-16 Table J2.4 |
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w | 11.315 mm |
| √ |
wmin | 5 mm | Table J2.4 | √ |
Continuity Plate to Column Flange Weld Size
w ≥ wmin | AISC 360-16 Table J2.4 |
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w | 11.315 mm |
| √ |
wmin | 6 mm | Table J2.4 | √ |
Continuity Plate to Column Web Weld Size
w ≥ wmin | AISC 360-16 Table J2.4 |
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w | 11.315 mm |
| √ |
wmin | 6 mm | Table J2.4 | √ |
PREQUALIFICATION LIMITS
Beam span / Beam cross-section height | 9144 mm /550 mm=16.63 | ≥9.0 |
Beam cross-section height, db | 550 mm | ≤ 920 |
Beam head thickness, tbf | 17.2 mm | ≤25 |
Column cross section height | 650 mm | ≤ 920 mm |
Bolt class | 8.8 | 8.8 - 10.9 |
Bolt size | M27 | ≤ M27 |
Min yield stress of flange plate material | 275 MPa | 235 /275 / 355 MPa |
Flange plate weld | CJP | CJP |
STRENGTH CHECKS
Bolt diameter
bf | 210 mm | AISC 358-16 7.6-2 |
Ry | 1.40 |
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Fy | 235 N/mm2 |
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Rt | 1.10 |
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Fu | 360 N/mm2 |
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db | ![]() |
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db | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
14.765 mm | 27 mm | 1.829 | √ |
Bolt Shear at Flange
Ab | ![]() | AISC 360-16 J3-1 |
Fn | ![]() | |
Rn | ![]() | |
ΦRn | ![]() |
Required | Available | Ratio | Control |
---|---|---|---|
2097.19 kN | 1855.079 kN | 1.131 | √ |
Bolt Bearing on Flange Plate
dh | 27+3=30 mm |
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Lc,edge | ![]() |
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Rn | ![]() | |
Rn-edge | ![]() |
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Lc,spacing | ![]() |
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Rn-spacing | ![]() |
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Rn | ![]() |
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ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
2097.19 kN | 5866.214 kN | 0.358 | √ |
Bolt Bearing on Beam Flange
dh | 27+3=30 mm |
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Lc,edge | ![]() |
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Rn | ![]() | AISC 360-16 J3-6a |
Rn-edge | ![]() |
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Lc,spacing | ![]() |
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Rn-spacing | ![]() |
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Rn | ![]() |
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ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
2097.19 kN | 2768.57 kN | 0.758 | √ |
Flange Plate Tension Yield
Ag | ![]() |
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Fy | 275 N/mm2 |
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Rn | ![]() | AISC 360-16 J4-1 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
2097.19 kN | 1848 kN | 1.135 | √ |
Flange Plate Tension Rupture
An | ![]() |
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Ae | ![]() |
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Fu | 410 N/mm2 |
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U | 1.00 |
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Rn | ![]() | AISC 360-16 J4-2 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
2097.19 kN | 1723.968 kN | 1.216 | √ |
Flange Plate Block Shear
Ag | ![]() |
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Anv | ![]() |
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Ant | ![]() |
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Fy | 275 N/mm2 |
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Fu | 410 N/mm2 |
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Ubs | 1.0 |
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| ![]() |
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Rn | ![]() | AISC 360-16 J4-5 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
2097.19 kN | 3636.864 kN | 0.577 | √ |
Beam Flange Block Shear
Ag | ![]() |
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Anv | ![]() |
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Ant | ![]() |
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Fy | 235 N/mm2 |
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Fu | 360 N/mm2 |
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Ubs | 1.0 |
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| ![]() |
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Rn | ![]() | AISC 360-16 J4-5 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
2097.19 kN | 1716.42 kN | 1.222 | √ |
Bolt Shear at Web
Ab | ![]() | AISC Manual 14th 7-8 |
Fn | ![]() | |
Rn | ![]() | |
ΦRn | ![]() |
Required | Available | Ratio | Control |
---|---|---|---|
132.193 kN | 183.218 kN | 0.722 | √ |
Bolt Bearing on Beam Web
dh | 24+3=27 mm |
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Rn | ![]() | AISC 360-16 J3-6a |
Lc,spacing | ![]() |
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Rn-spacing | ![]() |
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Rn | ![]() |
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ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
361.984 kN | 971.028 kN | 0.373 | √ |
Bolt Bearing on Web Plate
dh | 24+2=26 mm |
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Lc,edge | ![]() |
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Rn | ![]() | AISC 360-16 J3-6a |
Rn-edge | ![]() |
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Lc,spacing | ![]() |
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Rn-spacing | ![]() |
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Rn | ![]() |
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ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
361.984 kN | 1206.187 kN | 0.300 | √ |
Web Plate Shear Yield
Ag | ![]() |
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Fy | 275 N/mm2 |
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Rn | ![]() | AISC 360-16 J4-3 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
361.984 kN | 807.84 kN | 0.448 | √ |
Web Plate Shear Rupture
Anv | ![]() |
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Fu | 410 N/mm2 |
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Rn | ![]() | AISC 360-16 J4-4 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
361.984 kN | 698.738 kN | 0.518 | √ |
Beam Shear Rupture
Anv | ![]() |
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Fu | 360 N/mm2 |
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Rn | ![]() | AISC 360-16 J4-4 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
361.984 kN | 873.925 kN | 0.414 | √ |
Web Plate Block Shear
Ag | ![]() |
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Anv | ![]() |
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Ant | ![]() |
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Fy | 275 N/mm2 |
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Fu | 410 N/mm2 |
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Ubs | 1.0 |
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| ![]() |
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Rn | ![]() | AISC 360-16 J4-5 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
361.984 kN | 912.168 kN | 0.397 | √ |
Web Plate Block Shear
dp | 408 mm |
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F y | 275 N/mm2 |
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t p | 12 mm |
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a | 110 mm |
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Rn | ![]() | AISC 360-16 J4-5 |
ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
361.984 kN | 728.794 kN | 0.338 | √ |
Shear Plate to Column Flange Weld Strength
w | 11.315 mm |
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FE | 490 N/mm2 |
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l | 408 mm |
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e | 110 mm |
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Rn | ![]() |
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ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
361.984 kN | 1152.2 kN | 0.314 | √ |
Column Panel Zone Shear
Pr | 429.124 kN | AISC 360-16 J10-9 |
Py | ![]() |
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Fy | 275000 kN/m2 |
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Ag | 28634.759 mm2 |
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dc | 650 mm |
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tw | 16 mm |
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Rn | ![]() |
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ΦRn | ![]() |
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Required | Available | Ratio | Control |
---|---|---|---|
1776.832 kN | 1716 kN | 1.035 | √ |
Panel Zone Thickness
tmin ≥u / 180 | ![]() | TBDY 2018 9.3.4.2(b) |
tmin = tw | 16 mm |
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tw | 16 mm |
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u | 2207.2 mm |
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Required | Available | Ratio | Control |
---|---|---|---|
12.262 mm | 16 mm | 0.766 | √ |