Brace-Center Connection Design is explained in detail under this title.
Joint Geometry
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Brace - to - Gusset Plate Connection
GEOMETRY CHECKS
Bolt Spacing
smin ≥ 3d | AISC 360-16 J3.3 |
|
|
s | 60 mm |
|
|
d | 20 mm | s =60 mm > smin = 3*20=60 mm | √ |
Horizontal Edge Distance
Leh ≥ L e- min | AISC 360-16 J3.4 |
|
|
Leh | 69.85 mm |
| √ |
Le- min | 26 mm | Minimum distance check according to Table J3.4 | √ |
Vertical Edge Distance
Lev ≥ Le- min | AISC 360-16 J3.4 |
|
|
Lev | 45 mm | Conformity check for Leh ≥ 2d = 2 * 20 = 40 mm application | √ |
Le- min | 26 mm | Minimum distance check according to Table J3.4 | √ |
Weld Size
w ≥ wmin | AISC 360-16 J2.4 |
|
|
w | 5.658 mm |
| √ |
wmin | 5 mm | Table J2.4 | √ |
STRENGTH CHECKS
Bolt Shear at Brace
Ab | ||
Fn | ||
Rn | AISC 360-16 J3-1 | |
ΦRn |
Required | Ready | Rate | Control |
---|---|---|---|
205.872 kN | 212.058 kN | 0.971 | √ |
Bolt Bearing on Plate
dh | 20+2=22 mm |
|
Lc,edge |
| |
Rn | AISC 360-16 J3-6a | |
Rn-edge |
| |
Lc,spacing |
| |
Rn-spacing |
| |
Rn |
| |
ΦRn |
Required | Ready | Rate | Control |
---|---|---|---|
205.872 kN | 456.84 kN | 0.451 | √ |
Bolt Bearing on Gusset
dh | 20+2=22 mm |
|
Lc,edge |
| |
Rn | AISC 360-16 J3-6a | |
Rn-edge |
| |
Lc,spacing |
| |
Rn-spacing |
| |
Rn |
| |
ΦRn |
Required | Ready | Rate | Control |
---|---|---|---|
205.872 kN | 304.56 kN | 0.676 | √ |
Weld Strength
Fe | 490000 kN/m2 | |
w | 5.658 mm | |
Fu-plate | 469.999 N/mm2 | |
Fu-brace | 410 N/mm2 | |
tplate | 15 mm | AISC 360-16 J3-6a |
tbrace | 15 mm | |
lw | 150 mm | |
Rnw | ||
Rn-plate | ||
RnBM | ||
Rn | ||
ΦRn |
|
Required | Ready | Rate | Control |
---|---|---|---|
205.872 kN | 529.2 kN | 0.389 | √ |
Whitmore Section Compression Yield
K | 0.65 |
|
L | 0 mm |
|
r | 2.887 mm |
|
KL / r | 0 |
|
Fy | 355 N/mm2 |
|
Ag | 1292.82 mm2 |
|
Rn | AISC 360-16 J4-6 | |
ΦRn |
|
Required | Ready | Rate | Control |
---|---|---|---|
205.872 kN | 413.056 kN | 0.498 | √ |
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