l3x3-vb

Connection name : L3 X 3 X

Design code : AISC 360-2005 ASD ________________________________________________________________________________

Family : Gusset (GP)

Type : Column - Beams - Braces (CBB)

GENERAL DATA

Consider hole deformation in bolts : Yes

Is column end : No

Consider sheared edges in shapes : No

Consider sheared edges in shapes : No

Corrosive influences : No

MEMBERS:

Support

Section = W 12X53

Material = A992 Gr50

Lower left brace

Section = L 3X3X1_4

Material = A36

CONNECTION(S):

Interface between Gusset - Lower left brace

Gusset

tp = 0.25 [in]

LV = 19.33 [in]

Material = A36

Connection: Directly bolted

Directly bolted

nro = 1 Number of columns

nro = 3 Row number

Lev = 1.50 [in] Longitudinal edge distance on the plate

Leh = 1.50 [in] Transverse edge distance on the plate

s = 3.00 [in] Longitudinal spacing

bolt = 3/4" A325 N

Lower left gusset interface - column

Connection: Directly welded

Directly welded (Column side)

Weld = E70XX

D = 4 [1/16 in]

CRITICAL LOAD COMBINATION

Members Load Comb Load Type V2 V3 M33 M22 Axial

[Kip] [Kip] [Kip*ft] [Kip*ft] [Kip]

---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

209 120 maxFx Design -- -- -- -- -0.15

204 109 minFx Design -- -- -- -- 12.93

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Interface between Gusset - Lower left brace

Connection: Directly bolted

GEOMETRIC CONSIDERATIONS

Dimensions Unit Value Min. value Max. value Sta. References -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Directly bolted

Transverse edge distance [in] 1.50 1.00 -- Tables J3.4,

J3.5

Longitudinal edge distance [in] 1.50 1.00 -- Tables J3.4,

J3.5

Transverse center-to-center spacing (gage) [in] 3.00 2.00 6.00 Sec. J3.3,

Sec. J3.5

Longitudinal center-to-center spacing (pitch) [in] 3.00 2.00 6.00 Sec. J3.3,

Sec. J3.5

Gusset -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

DESIGN CHECK

Verification Unit Capacity Demand Ctrl EQ Ratio References ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Bolts shear [Kip] 31.82 12.93 1 - minFx 0.41 Tables (7-1..14)

Bolt bearing on brace [Kip] 35.62 12.93 1 - minFx 0.36 Eq. J3-6

Block shear on brace [Kip] 27.95 12.93 1 - minFx 0.46 Eq. J4-5

Bolt bearing on gusset [Kip] 35.62 12.93 1 - minFx 0.36 Eq. J3-6 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Critical strength ratio 0.46 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Checks for gusset and brace

REQUIRED RESISTANCE OF BRACED CONNECTIONS

Requirement Unit Value ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

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Reinforcement plate -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

DESIGN CHECK

Verification Unit Capacity Demand Ctrl EQ Ratio References

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Brace

Yielding strength due to axial load [Kip] 31.04 12.93 1 - minFx 0.42 Eq. J4-1

Rupture due to axial load [Kip] 30.44 12.93 1 - minFx 0.42 Eq. J4-2

Gusset

Tension yielding on the Whitmore section [Kip] 36.74 12.93 1 - minFx 0.35 Eq. J4-1

Buckling on the Whitmore section [Kip] 30.96 0.15 1 - maxFx 0.00 Eq. E3-1 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------


Lower left gusset interface - column

Connection: Directly welded

INTERFACE FORCES

Load Type V2 Axial M33

[Kip] [Kip] [Kip*ft]

------------------------------------------------------------------------------------------------------------------------------------------------

1 - maxFx Design -0.11 -- --

1 - maxFx Design -- -- 0.00

1 - maxFx Design -- -0.11 --

1 - minFx Design 9.14 -- --

1 - minFx Design -- -- 0.00

1 - minFx Design -- 9.14 --

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Column -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

DESIGN CHECK

Verification Unit Capacity Demand Ctrl EQ Ratio References ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Gusset

Beam yielding (normal stress) [Kip] 104.18 9.14 1 - minFx 0.09 Eq. J4-1

Shear yielding [Kip] 69.59 9.14 1 - minFx 0.13 Eq. J4-3

Weld capacity [Kip] 186.19 16.16 1 - minFx 0.09 Tables 8-4 .. 8-11

Column ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------


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Global critical strength ratio 0.46 ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

l3x3-vb

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