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  • Design limit states of welded flange plate connections are calculated automatically according to AISC 360-16.

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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-holecentersK: Effective length factor
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 rowtbf = thickness of beam flange, in. (mm)
tpfo = vertical distance from the outside of a beam tension flange to the nearest outside bolt row, in. (mm)
tbf = thickness of beam flangethickness of end-plate, in. (mm)
tp w = thickness of end-plateSize of weld leg, in. (mm)
Rn: Characteristic strength
Rnwl: Total nominal strength of longitudinally loaded fillet welds
Rnwt: Total nominal strength of transversely loaded fillet welds,

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Connection Geometry

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GEOMETRY CHECK

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L

760 mm

AISC 360-16 J2.4(c) 

Lwt

210 mm

 

Fe

490 N/mm2

 

Rnwl

 

Rnwt

 

Rnw

 

w

11.315 mm

 

Fu-plate

360 N/mm2

 

Fu-flange

360 N/mm2

 

tp

16 mm

 

tf

17.2 mm

 

RnBM

 

 

Rn

 

ΦRn

 

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The limit state of tension plate yield is checked according to AISC 360-16.

Ag

 

Fy

275 N/mm2

 

Rn

AISC 360-16 (J4-1)

ΦRn

 

Required

Available

Ratio

Control

505.682 kN

1108.8 kN

0.456

...

The limit state of the flange plate tension rupture is checked according to AISC 360-16.

An

 

Ae

 

Fu

410 N/mm2

 

U

1.00

 

Rn

AISC 360-16 (J4-2)

ΦRn

 

Required

Available

Ratio

Control

505.682 kN

1377.6 kN

0.367

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The block shear limit state is checked according to AISC 360-16.

Ag

 

Anv

 

Ant

 

Fy

275 N/mm2

 

Fu

410 N/mm2

 

Ubs

1.0

 

 

 

Rn

AISC 360-16 (J4-5)

ΦRn

 

Required

Available

Ratio

Control

505.682 kN

2538 kN

0.199

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The limit state of compression plate yield is checked according to AISC 360-16.

K

0.65

 

L

20 mm

 

r

4.619 mm

 

KL / r

2.81

 

Fy

275 N/mm2

 

Ag

 

Rn

AISC 360-16 (J4-6)

ΦRn

 

Required

Available

Ratio

Control

505.682 kN

1108.8 kN

0.456

...

The nominal and design strength of the weld is checked according to AISC 360-16

w

11.315 mm

FE

490 N/mm2

l

260 mm

e

117.5 mm

Rn

ΦRn

Required

Available

Ratio

Control

135.975 kN

498.69 kN

0.273

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The nominal and design strength of the weld is checked according to AISC 360-16

Fe

490000 kN/m2

w

11.315 mm

Fu

360  N/mm2

t

11.1 mm

Rnw

RnBM

AISC Manual 14th 8-12

RnRn

ΦRn

 

Required

Available

Ratio

Control

579.254 kN/m

1764 kN/m

0.328

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The nominal and design yield strength of the web plate is checked according to AISC 360-16

Ag

 

Fy

275 N/mm2

 

Rn

AISC 360-16 J4-3

ΦRn

 

Required

Available

Ratio

Control

135.975 kN

429 kN

0.317

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The limit state of the web plate shear rupture is checked according to AISC 360-16.

Anv

 

Fu

410 N/mm2

 

Rn

AISC 360-16 J4-3

ΦRn

 

Required

Available

Ratio

Control

135.975 kN

372.69 kN

0.365

...

The limit state of the web plate shear yield is checked according to AISC 360-16.

dp

260 mm

Fy

275 N/mm2

tp

10 mm

a

117.5 mm

Rn

ΦRn

Required

Available

Ratio

Control

135.975 kN

273.948 kN

0.496

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The panel zone shear limit statefor the bolted flange plate connection is checked according to AISC 360-16.

Pr

1621.397 kN

AISC 360-16 J10-9

Py

 

Fy

275000 kN/m2

 

Ag

28634.759 mm2

 

dc

650 mm

 

tw

16 mm

 

Rn

 

ΦRn

 

Required

Available

Ratio

Control

56.746 kN

1544.4 kN

0.037

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