Joist to column, type 1 (161)

Tekla Structures
Modifierad: 16 jan 2023
2024
Tekla Structures

Joist to column, type 1 (161)

Joist to column, type 1 (161) creates a bolted connection between a column and a joist, and includes seat angles, cap plate, and stabilizer, either as bolted or welded connections.

Objects created

  • Cap plate

  • Bearing plate

  • Seat angle

  • Stabilizer plate

  • Bolts

  • Welds

Use for

Situation Description

Joist connected to a column. Cap plate is bolted to the joist. Stabilizer plate is created and bolted to the joist.

Selection order

  1. Select the main part (column).

  2. Select the secondary part (joist).

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

Part identification key

Description

1

Cap plate

2

Bearing plate

Picture tab

Use the Picture tab to define the connection dimensions.

Dimensions

Description Default

1

Top cord offset from the main part center line

0

2

Vertical dimension from the top of the cap plate to the top of the joist

2-1/2"

3

Cutback distance of the bottom cord from the main part flange

1"

Bolts tab

Use the Bolts tab to define the bolt properties and the position of bolts.

Dimensions

Description Default

1

Distance from the main part center line to the center line of the bolt

I-profile columns: 1/2 the thickness of the main part web + 1-1/2 times the bolt diameter

Tube steel columns: 1/2 the width or length of the column (depending on orientation) + 1-1/2 "

2

Bolt spacing

4"

Bolt creation

Option Description

Default

Joist is bolted to the main part.

AutoDefaults can change this option.

Joist is bolted to the main part.

Joist is welded to the main part.

Bolt orientation

Option Description

Default

Creates the bolts square to the joist.

AutoDefaults can change this option.

Creates the bolts square to the cap plate.

Creates the bolts square to the joist.

Option Description

Default

Bolts are placed square to the main part.

AutoDefaults can change this option.

Bolts are placed square to the main part.

Bolts are placed square to the joist.

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 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 checkbox 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.

Plate tab

Use the Plate tab to define the cap plate properties and dimensions.

Parts

Description Default

Plate

Thickness, width, and height of the cap plate

Thickness: ¼”

By default, the plate is square and both sides of the plate are equal (plate side = (largest value for column width or column height) + 2 X 3”), so the default plate is ¼” X plate side X plate side.

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.

Cap plate offset

Description

1

Horizontal offset from the main part

2

Vertical offset from the main part

Cap plate dimensions

Define the width and length of the cap plate.

Description

1

Horizontal offset from the main part edge

2

Vertical offset from the main part edge

Cap plate orientation

Option Description

Default

Cap plate orientation matches the skewed joist.

AutoDefaults can change this option.

Cap plate orientation matches the skewed joist.

Cap plate is square to the main part.

Cap plate slope

Option Description

Default

Cap plate is aligned with the sloping joist.

AutoDefaults can change this option.

Cap plate is aligned with the sloping joist.

Cap plate is placed flat at the top of the main part.

Bearing plate tab

Use the Bearing plate tab to define the bearing plate properties, dimensions, and the connection method.

Parts

Option Description

Bearing plate

Thickness and width of the bearing plate

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.

Dimensions

Description

1

Bearing plate edge dimension from the stabilizer plate edge

2

Bearing plate edge dimension from the main part flange

Stabilizer tab

Use the Stabilizer tab to define the stabilizer creation, properties, and position.

Parts

Option Description

Plate

Thickness, width, and height of the plate

Angle

Select the profile from the profile catalog.

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.

Stabilizer creation

Option Description

Default

Stabilizer is not created.

AutoDefaults can change this option.

Stabilizer is not created.

Stabilizer is created as a plate.

Stabilizer is created as a seat angle.

Stabilizer plate dimensions

Description Default

1

Cable hole diameter

13/16"

2

Horizontal dimension from the edge of the stabilizer plate to the center of the hole

1.5 X hole diameter

3

Vertical dimension from the edge of the stabilizer plate to the center of the hole

1.5 X hole diameter

4

Vertical dimension from the lower chord of the joist to the bottom of the stabilizer plate

3"

Stabilizer connection type

Option Description

Default

No connection between the stabilizer plate and the joist

AutoDefaults can change this option.

No connection between the stabilizer plate and the joist

Stabilizer plate is welded to the joist.

Stabilizer plate is bolted to the joist.

Stablizer plate is bolted and welded to the joist.

Stabilizer orientation

Option Description

Default

Stabilizer plate is aligned with the sloping joist.

AutoDefaults can change this option.

Stabilizer plate is aligned with the sloping joist.

Stabilizer plate is created square to the main part.

Seat angle dimensions

Description

1

Horizontal offset of the seat angle

2

Vertical offset of the seat angle

Description Default

1

Horizontal offset of the seat angle

0

2

Length of the seat angle

For stabilizers bolted to he column: Bolt pitch /slope specified in the joints.def file + 2- ¼" (this gives a correct angle length for ¾" diameter bolts)

For stabilizers welded to the column: Width of the joist

Seat angle orientation

Option Description

Default

Longest leg of the seat angle is horizontal.

AutoDefaults can change this option.

Longest leg of the seat angle is horizontal.

Longest leg of the seat angle is vertical.

Seat to column

Option Description

Default

Seat is welded to the main part.

AutoDefaults can change this option.

Seat is welded to the main part.

Seat is bolted to the main part.

Seat is bolted and welded to the main part.

Seat to joist

Option Description

Default

No connection between the seat and the joist.

AutoDefaults can change this option.

No connection between the seat and the joist.

Seat is welded to the joist.

Seat is bolted and welded to the joist.

Stabilizer angle bolts tab

Use the Stabilizer angle bolts tab to define the bolt properties and bolt group dimensions in the stabilizer angle connection.

If you have selected to create the stabilizer as a seat angle, the settings on this tab control both the stabilizer seat angle bolts and the main part bolts. If you have selected to create the stabilizer as a plate, only the main part bolts are affected.

Dimensions

Description

1

Dimension for vertical bolt group position.

2

Dimension for horizontal bolt group position.

3

Bolt edge distance.

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

4

Number of bolts.

5

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

Site/Workshop

Location where the bolts should be attached.

Site

Stabilizer plate bolts tab

Use the Stabilizer plate bolts tab to define the bolt properties and bolt group dimensions of the stabilizer plate bolts.

Bolt group dimensions

Description

1

Horizontal bolt edge distance

2

Vertical bolt edge distance

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

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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