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Stub (133)

Tekla Structures
Modified: 7 Mar 2025
2026
Tekla Structures

Stub (133)

Stub (133) is commonly used in multi-store constructions. The connection creates a plated stub that is welded to a column web and bolted to a floor beam with splice plates. The stub is shaped to fit the column as a tapered plate.

Objects created

  • Web plates

  • Flange plates

  • Weld backing bars

  • Bolts

  • Welds

Use for

Situation Description

Plated stub welded to a column web and bolted to a floor beam with splice plates.

Selection order

  1. Select the main part (column).

  2. Select the secondary part (floor beam).

    The connection is created automatically when the secondary part is selected.

Part identification key

Description

1

Splice

2

Upper and lower flange plate

3

Web plate

Picture tab

Use the Picture tab to define the connection dimensions.

Dimensions

Description Default

1

Tolerance between the column flange and the stub top and bottom plate.

2

Starting point for the chamfer

2.0 mm

Description Default

1

Stub length

1000 mm

Parts tab

Use the Parts tab to define the part properties.

Parts

Option Description

Upper flange

Thickness of the upper flange of the stub.

Lower flange

Thickness of the lower flange of the stub.

Web

Thickness of the web of the stub.

Web plates

Thickness, width, and height of the web plates.

Flange plates

Thickness, width, and height of the flange plates.

Top int flange pl

Thickness, width, and height of the top inner flange plates.

Btm int flange pl

Thickness, width, and height of the bottom inner flange plates.

Option

Description

Default

Pos_No

Prefix and start number for the part position number.

Some components have a second row of fields where you can enter the assembly position number.

The default part start number is defined in the Components settings in File menu > Settings > Options.

Material

Material grade.

The default material is defined in the Part material box in the Components settings in File menu > Settings > Options.

Name

Name that is shown in drawings and reports.

Stub cut tab

Use the Stub cut tab to define the weld backing bars, weld access holes, beam end preparations, and flange cuts.

Parts

Option Description

Backing bar

Thickness and width of the backing bar.

Option

Description

Default

Pos_No

Prefix and start number for the part position number.

Some components have a second row of fields where you can enter the assembly position number.

The default part start number is defined in the Components settings in File menu > Settings > Options.

Material

Material grade.

The default material is defined in the Part material box in the Components settings in File menu > Settings > Options.

Name

Name that is shown in drawings and reports.

Finish

Describes how the part surface has been treated.

Weld access hole dimensions

Description

1

Gap between the secondary part top flange and the main part.

2

Vertical dimensions for the top and the bottom weld access holes.

3

Horizontal dimensions for the top and the bottom weld access holes.

4

Gap between the secondary part web and the main part.

Tekla Structures adds the value you enter here to the gap you enter on the Picture tab.

5

Gap between the secondary part bottom flange and the main part.

Tekla Structures adds the value you enter here to the gap you enter on the Picture tab.

Weld access holes

Option

Description

Default

Default

Round weld access hole

AutoDefaults can change this option.

Round weld access hole

Square weld access hole

Diagonal weld access hole

Round weld access hole with a radius that you can define in

Extended cone-shaped weld access hole with a radius and dimensions that you can define in and

Cone-shaped weld access hole with radiuses that you can define in and

Capital R defines the large radius (height).

Small r defines the small radius.

R = 35

r = 10

Beam end preparation

Option

Description

Default

Top and bottom flange are prepared.

AutoDefaults can change this option.

Automatic

Top and bottom flange are prepared.

Beam end is not prepared.

Top and bottom flange are prepared.

Flange cut

Option for top flange

Option for bottom flange

Description

Default

Flange is not cut.

AutoDefaults can change this option.

Flange is not cut.

Flange is cut.

Weld backing bars

Option Option Description

Default

No backing bars are created.

AutoDefaults can change this option.

No backing bars are created.

Backing bars are created inside the flanges.

Backing bars are created outside the flanges.

Weld backing bar length

Enter the length of the weld backing bar in the box below the options.

Option

Description

Default

Absolute length of the backing bar

AutoDefaults can change this option.

Absolute length of the backing bar

Extension beyond the edge of the flange

Weld backing bar position

Option

Description

Enter a positive or a negative value to move the front end of the backing bar relative to the end of the flange.

Splice tab

Use the Splice tab to define clearances between the parts and connection parts, and values for the properties shared with two or more connection parts.

Splice

Option Description

Default

Stub (133) is used to create the splice.

Define the properties of web plates, flange plates, and top and bottom internal plates on the Parts tab, splice properties on the Splice tab, and bolt properties on the Web Bolts and Flange Blt tabs.

Splice connection (77)

The Splice connection (77) component is used to create the splice.

Select which settings are used for the component in the Splice connection (77) list. If you select Specified, enter the name of the attribute file to use in the Parameter box.

Chamfer dimensions

Description

1

Vertical chamfer dimension.

2

Horizontal chamfer dimension.

3

Horizontal corner dimension for tee shaped stub plate.

4

Vertical corner dimension for tee shaped stub plate.

Chamfer type

Option

Description

Default

Line chamfer

AutoDefaults can change this option.

No chamfer

Line chamfer

Convex arc chamfer

Concave arc chamfer

Corner shape

Option Description

Default

Square

AutoDefaults can change this option.

Square

Line

Concave

Web plates

Option Description

Default

Two web plates are created.

Two web plates are created.

Web plate is created

Web plate is created

Stub flange plate shape

Option Description

Default

Tapered

AutoDefaults can change this option.

Tapered

Tee shaped

Dimensions

Description Default

1

Distance between lifting hole and part edge.

0.0 mm

2

Lifting hole vertical offset from the plate center line.

30 mm

3

Hole diameter.

4

Thickness of shim plates.

When the height of the plates created by the component and the secondary part height are different, shim plates are created.

10 mm

5

Width of the connection area between the web plate and the beam or stub.

6

Clearance between parts.

0.0 mm

Lifting hole

Option Description

Default

Lifting hole is not created.

AutoDefaults can change this option.

Lifting hole is not created.

Lifting hole is created.

Web bolts tab

Use the Web bolts tab to define the bolt group dimensions and bolts properties.

Bolt group dimensions

Description

1

Bolt edge distance.

Edge distance is the distance from the center of a bolt to the edge of the part.

2

Number of bolts.

3

Bolt spacing.

Use a space to separate bolt spacing values. Enter a value for each space between bolts. For example, if there are 3 bolts, enter 2 values.

4

Location where the bolts should be attached.

Bolt basic properties

Option

Description

Default

Bolt size

Bolt diameter.

Available sizes are defined in the bolt assembly catalog.

Bolt standard

Bolt standard to be used inside the component.

Available standards are defined in the bolt assembly catalog.

Tolerance

Gap between the bolt and the hole.

Thread in mat

Defines whether the thread may be within the bolted parts when bolts are used with a shaft.

This has no effect when full-threaded bolts are used.

Yes

Slotted holes

You can define slotted, oversized, or tapped holes.

Option

Description

Default

1

Vertical dimension of slotted hole.

0, which results in a round hole.

2

Horizontal dimension of slotted hole, or allowance for oversized holes.

0, which results in a round hole.

Hole type

Slotted creates slotted holes.

Oversized creates oversized holes.

No hole does not create holes.

Tapped creates tapped holes.

Rotate Slots

When the hole type is Slotted, this option rotates the slotted holes.

Slots in

Part(s) in which slotted holes are created. The options depend on the component in question.

Bolt assembly

The selected check boxes define which component objects (bolt, washers, and nuts) are used in the bolt assembly.

If you want to create a hole only, clear all the check boxes.

To modify the bolt assembly in an existing component, select the Effect in modify check box and click Modify.

Bolt length increase

Define how much the bolt length is increased. Use this option when, for example, painting requires the bolt length to be increased.

Staggering of bolts

Option

Description

Default

Not staggered

AutoDefaults can change this option.

Not staggered

Staggered type 1

Staggered type 2

Staggered type 3

Staggered type 4

Flange Blt tab

Use the Flange Blt tab to define the bolt group dimensions and bolt properties.

Bolt group dimensions

Description

1

Bolt edge distance.

Edge distance is the distance from the center of a bolt to the edge of the part.

2

Number of bolts.

3

Bolt spacing.

Use a space to separate bolt spacing values. Enter a value for each space between bolts. For example, if there are 3 bolts, enter 2 values.

Bolt basic properties

Option

Description

Default

Bolt size

Bolt diameter.

Available sizes are defined in the bolt assembly catalog.

Bolt standard

Bolt standard to be used inside the component.

Available standards are defined in the bolt assembly catalog.

Tolerance

Gap between the bolt and the hole.

Thread in mat

Defines whether the thread may be within the bolted parts when bolts are used with a shaft.

This has no effect when full-threaded bolts are used.

Yes

Staggering of bolts

Option

Description

Default

Not staggered

AutoDefaults can change this option.

Not staggered

Staggered type 1

Staggered type 2

Staggered type 3

Staggered type 4

General tab

Click the link below to find out more:

General tab

Design tab

Click the link below to find out more:

Design tab

Analysis tab

Click the link below to find out more:

Analysis tab

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