Stairs (S82)

Tekla Structures
2021
Tekla Structures

Stairs (S82)

Stairs (S82) creates straight stairs with optional upper and lower landings. The stairs consist of stringers, possible landings and the actual steps. The stairs are created between two picked positions that define the upper and lower positions of the sloping stringers, taking into account the flooring thickness. The lower position defines the top level of the lowest step and the upper position the top level of the topmost step.

Objects created

  • Stringers

  • Steps

  • Landings (optional)

  • Welds

Use for

Situation Description

Stairs created with stringers and steps

Selection order

  1. Pick the first position.

  2. Pick the second position.

    The stairs are created automatically when you pick the second position.

Part identification key

Description

1

Stringer

2

Step

3

Top landing

4

Bottom landing

Picture tab

Use the Picture tab to define the stair dimensions.

Stair dimensions

Description Default

1

Maximum height between the steps.

230 mm

The default value for the step height is calculated as follows: (Z*220)/(Z+220) mm, where Z is the height of the stairs.

2

Bottom landing length

You need to define the length to create the landing.

Bottom landing beam is not created.

3

Bottom flooring thickness.

Vertical distance from the lower picked point to the stringer top level.

30 mm

4

The distance the steps are inset between the stringers.

20 mm

5

Top flooring thickness

Vertical distance from the upper picked point to the stringer top level.

30 mm

6

Vertical distance orientation

7

Width of the stairs (horizontal length of the steps)

1000 mm

8

Top landing length

You need to define the length to create the landing.

Top landing beam is not created.

Parts tab

Use the Parts tab to define the stringer profile properties.

Parts

Part Description Default

Stringer profile

Select the profile for stringers and landing beams from the profile catalog.

U200

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.

Parameters tab

Use the Parameters tab to control the stringer rotation, mirroring, position in plane, step profile, and top and bottom step creation.

Option Description Default

Stringer rotation

Define the stringer rotation around its axis on the work plane.

Top

Mirroring

Select whether the stringer is mirrored.

Position in plane

Define the stair position on the work plane.

Right

Offset

Define the beam offset for the selected position in plane.

0

Step profile

Select the step profile.

The step types are more precisely defined in the steps.dat file. The file defines the form of the step, and the place and size of the holes in the stringers. Each line in the file describes one step type.

The actual step is created as a contour plate.

Create top step

Select whether the top step is created.

Yes, top step is created.

Create bottom step

Select whether the bottom step is created.

Yes, bottom step is created.

Create assembly

Select whether to create an assembly that includes all the parts of the stairs or stringers.

With All, the steps are welded to the stringers with invisible weldings and an assembly drawing of the stairs can be created.

No

Bolt tolerance

Define the bolt hole tolerance for catalogue steps.

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