Beam with stiffener (129)

Tekla Structures
2021
Tekla Structures

Beam with stiffener (129)

Beam with stiffener (129) connects a beam to another beam with a bolted and welded shear tab. The connection can be used at the back of a U-profile. The secondary beam can be leveled or sloped and/or skewed.

Objects created

  • Shear tabs (1 or 2)

  • Stiffener (optional)

  • Haunch plates (optional)

  • Welds

  • Bolts

  • Cuts

Use for

Situation

Description

Full depth shear tab.

Full depth shear tab. The secondary part is sloped and/or skewed.

Shear tab with a beam stiffener.

Selection order

  1. Select the main part (beam).

  2. Select the secondary part (beam).

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

Part identification key

Part

1

Shear tab
Note:

Tekla Structures uses values in the joints.def file to create this component.

Picture tab

Use the Picture tab to control the position of the shear tab, and the beam flange and the web cuts.

Dimensions

Description

Default

1

Cut of the secondary part.

Cutting the secondary part creates a gap between the main part and the secondary part.

10 mm

2

Shear tab edge distance from the main part flange edge.

0

3

Distance from the corner of the shear tab to the edge of the main part flange.

4

Size of the strip made to the secondary part flange.

The cut of the flange is defined from the shear tab edge.

The flange is automatically stripped when the shear tab crosses the flange.

20 mm

5

Distance from the edge of the main part to the corner of the shear tab.

20 mm

6

Distance from the bottom edge of the main part to the bottom edge of the shear tab.

10 mm

Beam end cut

Define how the secondary beam end is cut. The beam is viewed from the side.

Option

Description

Default

Bevel

AutoDefaults can change this option.

Automatic

If the secondary beam is sloped less than 10 degrees, the beam end is cut square. Otherwise, the beam end is cut bevel.

Square

Cuts the end of the secondary beam square.

Bevel

Cuts the end of the secondary beam parallel to the edge of the main part.

Square cut closer to the main part web

Cuts the end of the secondary beam square and places the beam closer to the main part web.

Clipped flange

Cuts the corner of the flange at the end of the secondary beam.

Beam flange cut

Define how the secondary beam flange end is cut. The beam is viewed from the top.

Option

Description

Default

Bevel

AutoDefaults can change this option.

Bevel

Cuts the end of the flange bevel.

Square

Cuts a part of the flange square and leaves a part of it bevel.

Beam web cut

Define how the secondary beam web end is cut. The beam is viewed from the top.

Option

Description

Default

Bevel

AutoDefaults can change this option.

Bevel

Cuts the end of the web bevel when the end of the secondary beam is cut bevel.

Square

Cuts the end of the web square even if the end of the secondary beam is cut bevel.

Beam bottom flange cut

Option

Description

Default

Notch

Define the notch dimensions.

AutoDefaults can change this option.

Notch

Define the notch dimensions.

The bottom of the secondary beam is notched if the shear tab crosses the flange.

Flange cut

The secondary beam flange is cut on the same side as the shear tab if the shear tab crosses the flange.

Plates tab

Use the Plates tab to control the size, position, number, and shape of the shear tab.

Shear tab

Option Description

Tab plate

Shear plate tab thickness and width.

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.

Shear tab chamfers

Description

1

Horizontal dimension of the shear tab chamfer.

2

Vertical dimension of the shear tab chamfer.

3

Vertical and the horizontal dimension of the shear tab chamfer.

4

Vertical dimension from the bottom edge of the shear tab to the lower shear tab corner.

Chamfer type

Option

Description

Default

Line chamfer

AutoDefaults can change this option.

No chamfer

Line chamfer

Convex arc chamfer

Concave arc chamfer

Inner shear tab chamfers

Description

1

Horizontal dimension of the shear tab chamfer.

2

Vertical dimension of the shear tab chamfer.

3

Radius and the vertical dimensions of the shear tab inner chamfer.

Chamfer type

Option

Option

Description

Default

No chamfer

AutoDefaults can change this option.

No chamfer

Line chamfer

Convex arc chamfer

Concave arc chamfer

Inner chamfer type

Option

Description

Default

Concave arc chamfer

AutoDefaults can change this option.

No chamfer

Line chamfer

Convex arc chamfer

Concave arc chamfer

Shear tab position

Define the number and the side of shear tabs in single shear tab connections. 

Option

Description

Default

Far side shear tab

AutoDefaults can change this option.

Automatic

The component automatically selects either the near side or the far side shear tab. The tab is created to the side of the secondary part when the angle between the main part and the secondary part is less than 90 degrees.

Far side shear tab

Near side and far side shear tab

Near side shear tab

Gap between shear tabs

Description

Default

1

Gap between the secondary part web and shear tab.

This only affects connections with two shear tabs.

0

Shear tab orientation

Option

Description

Default

Square

AutoDefaults can change this option.

Automatic

Square

Sloped

The shear tab is sloped in the direction of the secondary beam. Both vertical edges of the shear tab are cut parallel to the end of the secondary beam.

Square

Stiffeners tab

Use the Stiffeners tab to control the stiffener plate dimensions, orientation, position, and type.

Opposite web stiffener plate dimensions

Option

Description

Opposite web stiffener

Opposite web stiffener plate thickness, width and height.

Option

Description

Default

Pos_No

Prefix and start number for the part 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.

Stiffener creation

Option

Description

Default

No stiffeners are created.

AutoDefaults can change this option.

Full

Creates a full stiffener of the same height as the web of the main part.

Determined by shear tab

Tekla Structures determines the size of the stiffener based on the shear tab size. Tekla Structures attempts to keep the bottom edges of the stiffener plate and shear tab level, if possible.

Partial

Leaves a gap between the stiffener plate and the bottom flange of the main part.

No stiffeners are created.

Stiffener gap

Description

1

Size of the gap between the main part flange and the stiffener.

2

Distance from the edge of the main part flange to the edge of the stiffener.

Stiffener orientation

Option

Description

Default

Stiffeners are parallel to the secondary part.

AutoDefaults can change this option.

Stiffeners are perpendicular to the main part.

Stiffeners are parallel to the secondary part.

Chamfer dimensions

Description

1

Horizontal dimension of the chamfer.

2

Vertical dimension of the chamfer.

Chamfer type

Option

Description

Default

Line chamfer

AutoDefaults can change this option.

No chamfer

Line chamfer

Convex arc chamfer

Concave arc chamfer

Bolts tab

Use the Bolts tab to control the properties of the bolts that connect the shear tab to the secondary part.

Bolt group dimensions

Bolt group dimensions affect the size and shape of the shear tab.

Description

1

Dimension for horizontal bolt group position.

2

Bolt edge distance.

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

3

Number of bolts.

4

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.

5

Dimension for vertical bolt group position.

6

Select how to measure the dimensions for vertical bolt group position.

  • Top: From the upper edge of the secondary part to the uppermost bolt.

  • Middle: From the center line of the bolts to the center line of the secondary part.

  • Below: From the lower edge of the secondary part to the lowest bolt.

7

Define which bolts are deleted from the bolt group.

Enter the bolt numbers of the bolts to be deleted and separate the numbers with a space. Bolt numbers run from left to right and from top to bottom.

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

Bolt group orientation

Option

Description

Default

Square

AutoDefaults can change this option.

Automatic

Square

Staggered

Bolts are staggered in the direction of the secondary part.

Square

Square bolt group is positioned horizontally.

Sloped

Square bolt group is sloped in the direction of the secondary part.

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

Site/Workshop

Location where the bolts should be attached.

Site

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 or tapped holes.

No hole does not create 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.

Notch tab

Use the Notch tab to automatically create notches for the secondary beams and to control the notch properties. The Notch tab has two sections: automatic properties (top section) and manual properties (bottom section). Automatic and manual notching properties work independently from each other.

Automatic notching

Automatic notching options affect both the top and the bottom flange.

Notch shape

Automatic notching is switched on when you select a notch shape.

Option

Description

Default

Creates notches to the secondary beam.

AutoDefaults can change this option.

Creates notches to the secondary beam. The cuts are square to the main beam web.

Creates notches to the secondary beam. The cuts are square to the secondary beam web.

Creates notches to the secondary beam. The vertical cut is square to the main beam, and the horizontal cut is square to the secondary beam.

Turns off automatic notching.

Notch size

Option

Description

Default

The notch size is measured from the edge of the main beam flange and from underneath the top flange of the main beam.

AutoDefaults can change this option.

The notch size is measured from the edge of the main beam flange and from underneath the top flange of the main beam.

The notch size is measured from the center line of the main beam and from the top flange of the main beam.

Enter the horizontal and vertical values for the cuts.

Flange cut shape

Option

Description

Default

Secondary beam flange is cut parallel to the main beam.

AutoDefaults can change this option.

Secondary beam flange is cut parallel to the main beam.

Secondary beam flange is cut square.

Notch dimension rounding

Use the notch dimension rounding options to define whether the notch dimensions are rounded up. Even if the dimension rounding is set to active, the dimensions are rounded up only when necessary.

Option

Description

Default

Notch dimensions are not rounded.

AutoDefaults can change this option.

Notch dimensions are not rounded.

Notch dimensions are rounded.

Enter the horizontal and vertical rounding values.

The dimensions are rounded up the nearest multiple of the value you enter. For example, if the actual dimension is 51 and you enter a round-up value of 10, the dimension is rounded up to 60.

Notch position

Option

Description

Default

Creates the cut below the main beam flange.

AutoDefaults can change this option.

Creates the cut below the main beam flange.

Creates the cut above the main beam flange.

Notch chamfer

Option

Description

Default

The notch is not chamfered.

AutoDefaults can change this option.

The notch is not chamfered.

Creates the notch with a line chamfer.

The notch is chamfered according to the radius you enter.

Enter a radius for the chamfer.

Manual notching

Use manual notching when a part that does not belong to the connection clashes with the secondary beam. When you use manual notching, the connection creates cuts using the values you enter in the fields on the Notch tab. You can use different values for the top and the bottom flange.

Side of flange notch

The side of flange notch defines on which side of the beam the notches are created.

Option

Description

Default

Creates notches on both sides of the flange.

AutoDefaults can change this option.

Automatic

Creates notches on both sides of the flange.

Creates notches on both sides of the flange.

Creates notches on the near side of the flange.

Creates notches on the far side of the flange.

Flange notch shape

The flange notch shape defines the notch shape in the beam flange.

Option

Description

Default

The entire flange of the secondary beam is cut as far back as you define.

AutoDefaults can change this option.

Automatic

The entire flange of the secondary beam is cut as far back as you define. The default depth for the notch is twice the thickness of the secondary flange. The cut always runs the entire width of the secondary flange.

Creates chamfers in the flange.

If you do not enter a horizontal dimension, a chamfer of 45 degrees is created.

Creates cuts to the flange with default values unless you enter values in the fields 1and 2.

The flange is not cut.

Creates cuts to the flange according to the value in the field 1 to make it flush with the web.

Creates cuts to the flange according to the values in the fields 1 and 2.

Flange notch depth

Option

Description

Default

Flange notch depth.

AutoDefaults can change this option.

Flange notch depth.

Flange notch depth with a dimension from the secondary beam web center line to the edge of the notch.

Enter the value for flange notch depth.

Cut dimensions

Description

Default

1

Dimensions for the horizontal flange cuts.

10 mm

2

Dimensions for the vertical flange cuts.

The gap between the notch edge and the beam flange is equal to the main part web rounding. The notch height is rounded up to the nearest 5 mm.

Haunch tab

Use the Haunch tab to control the haunch plate creation and chamfers in the secondary beam flanges.

Haunch plates

Option

Description

Top plate

Top haunch plate thickness, width and height.

Bottom plate

Bottom haunch plate thickness, width and height.

Option

Description

Default

Pos_No

Prefix and start number for the part 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.

Haunch plate chamfers

Description

1

Width of the top haunch plate chamfer.

2

Height of the top haunch plate chamfer.

3

Height of the bottom haunch plate chamfer.

4

Width of the bottom haunch plate chamfer.

Haunch plate creation

Option

Description

Default

Top and bottom haunch plates are created, if needed.

AutoDefaults can change this option.

Automatic

Top or bottom haunch plate or both are created, if needed.

Top and bottom haunch plates are created.

To create a single plate, enter 0 in the thickness (t) field for the plate you do not need (top or bottom plate).

Haunch plates are not created.

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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