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Straight staircase 1.4

Last updated October 2, 2019 by Steel Extensions tekla.extensions-steel@trimble.com

Software version: 
2019i
Environment: 
Not environment-specific

Straight staircase 1.4


Use Straight staircase extension to create and model a straight staircase using the side pane and DM platform in the model.

Install Straight staircase

  1. Download the Straight staircase installer package from Tekla Warehouse. For more information see Downloading an application from Tekla Warehouse.
  2. Install the file package.

Create Straight Staircase

  1. Open a Tekla model.
  2. Click the Applications & components button in the side pane to open the Applications & components catalog.
  3. Search for Straight Staircase and click on it.
  4. The General properties will open in the Straight Staircase side pane.
  5. In the model pick the first stair insertion point.
  6. Configure the stair properties in the available boxes from the side pane and check the stair preview in the model. After modify a value in a box, press enter or click to another box.
  7. The available boxes will change depending on Formula type selection.

    Example:
    Changing from HTR to TRN formula type gives you the possibility to specify the steps number N instead of stair height H.

  8. In the model pick the second stair point to finish the Straight Staircase creation.

Model Straight Staircase

     Use case 1 - Model a Straight Staircase with plate steel steps

  1. Open the TS model that contains a Straight Staircase with Standard stair attribute file.
  2. Ensure that the Direct modification (DM) option is enabled.
  3. Click in the model on the Straight Staircase and the General properties will open in the Straight Staircase side pane.
  4. To configure stair bottom landings click in the model on one of the landings objects. The Landing - Bottom property will open in the Straight Staircase side pane. The bottom landing DM dimensions and handles will also be visible in the model:

  5. Click in the bottom landing DM dimension box 3 and type 100 to have landing offset (for vertical landings the offset is horizontal).
  6. You can modify the landing length by draging the blue landing handles. Remove the bottom left landing length by clicking in the left DM dimensions box 1 and type 0. The left landing is removed and its preview will be visible in the model:

  7. To modify the bottom landing direction select the Horizontal option in the Landing direction list. The bottom landing offset will change to vertical direction:

  8. To modify the landing measurement type select Stair lower point in the Measure from list.
  9. Click on the bottom step and the Steps - Bottom property will open in the Straight Staircase side pane and bottom step DM dimensions will be visible in the model:

  10. Click in the step DM dimension box 3 and type 300 to modify bottom step width.
  11. Click in the step DM dimension box 4 and type 90 to modify bottom step horizontal offset.
  12. Click in the step DM dimension box 7 and type 50 to modify the left gap between steps and stringer. Click in the step DM dimension box 8 and type 40 to modify the right gap between steps and stringer
  13. To change the nosing distance between stringer and steps, click in the model on one of the stringers to open the Stringer property in the Straight Staircase side pane. The stringer DM dimensions will be visible in the model. In the Stringer offset type list select Perpendicular distance option:

  14. In the model click in the stringer DM dimension box 4 and type 40 to modify the perpendicular steps nosing distance from stringers.
  15. In the model click on the top step preview highlighted in blue. The Steps - Top property opens in the Straight Staircase side pane and the available top step DM dimensions will be visible in the model. In the Steps - Top property side pane click on the Add/ Remove last step button to add the top step and all top steps DM dimensions will be visible:

  16. Click in the model on one of the stair top landings to open Landing - Top property in the Straight Staircase side pane. All top landing DM dimensions will be visible in the model:

  17. Click in the model in the DM dimension box 3 and type 50 to offset in vertical direction the top landings.
  18. In the General properties click in the Stair attribute file list and type desired stair attribute file name. Click the button.
  19. Click in the model outside the stair to finish the straight staircase modeling.

     Use case 2 - Model a Straight staircase with Custom component steps

  1. Open the TS model that contains a Straight Staircase.
  2. Ensure that the Direct modification (DM) option is enabled.
  3. Click in the model on the Straight Staircase and the General properties will open in the Straight Staircase side pane.
  4. Click in the model on the bottom step and the Steps - bottom properties will open in the side pane.
  5. In the Step type list select Custom component option.
  6. In the Custom component list select Step option.
  7. In the custom component Attribute file list select Standard option.
  8. To apply bottom step settings to all steps, on the Steps - Bottom properties, click in the Also apply to list and select All option.
  9. Select the Also apply to check box, and All steps will get the same properties as the bottom step.
  10. Click on the Remove last step button to turn on the last step.
  11. In the model click on the Connect icon and the Connection properties will open in the Straight Staircase side pane:

  12. In the Bracket list select OFF option to remove the Straight Staircase brackets (use the Custom component brackets only).
  13. Click on the General properties side pane arrow and save the stair attribute file.
  14. Click in the model outside the stair to finish the straight staircase modeling.

General properties

Field Description Default
(1) Stair attribute file - list of saved attribute files
- standard
standard
(2) Save button - saves the stair attribute file -
(3) Formula type - defines the calculation formula of the stair
Options are:
- NONE - stair formula based on selected Straight Staircase file atributte. This option is available only when creating a Straight Staircase.

- TRN - stair formula based on tread, rise and number of steps as input values

- LHN - stair formula based on length, height and number of steps as input values

- LSN - stair formula based on length, slope and number of steps as input values

- HSN - stair formula based on height, slope and number of steps as input values

- HTR - stair formula based on heigth, tread and rise of steps as input values

Each letter from the Formula type options represents an input value for stair calculation formula type:

H - Height of the stair

L - Length of the stair

N - Number of the steps

R - Rise of the steps

T - Tread of the steps

S - Slope of the stair

HTR
(4) Step dimension - defines the distance between steps
Options are:
- Equal - the distance between steps is equal
- Exact - the distance between middle steps is exact
Equal
(5) Slope - defines the angle between horizontal and the stringer, in degrees 35.75
(6) Length - defines the length of the stair 3750
(7) Heigth - defines the height of the stair 2700
(8) Number of steps - defines the number of steps 16
(9) Tread - defines the tread of the steps 250
(10) Rise - defines the rise of the steps 190
(11) Position in plane - defines the stair position in plane
Options are:
- Left
- Middle
- Right
Middle
(12) Offset - defines the stair horizontal offset 0
(13) Create assembly - creates assembly from the stair objects
Options are:
- Stringers - creates an assembly for left and right stringers, including landings
- All - creates an assembly for all stair objects
- None - creates no assembly (depends on the connection attribute file)
Stringers

Landing properties

Landing - Bottom

Field Description Default
(1) Measure from - defines the point from where to measure the length of the landing
Options are:
- Stair lower point - length of landing is measured from the stair lower point
- Stringer end point - length of landing is measured from the stringer end point
Stringer end point
(2) Landing direction - defines the direction of the landing
Options are:
- Horizontal - creates horizontal landings
- Vertical - creates vertical landings
Vertical

Landing - Top

Field Description Default
(1) Measure from - defines the point from where to measure the length of the landing
Options are:
- Stair upper point - length of landing is measured from the stair upper point
- Stringer end point - length of landing is measured from the stringer end point
Stringer end point

Stringer properties

Field Description Default
(1) Stringer rotation - defines the stringer rotation
Options are:
- Front
- Below
- Back
- Top
(2) Stringer measurement type - defines the stringer to stringer distance
Options are:
- stringer to stringer interior distance
- stringer to stringer exterior distance
(3) Stringer offset type - defines the direction of the nosing dimension of the steps
Options are:
- horizontal or vertical distance

- perpendicular distance

(4) Add or remove left stringer
(5) Add or remove right stringer
(6) Profile - defines the stringer profile U200*100*5
(7) Profile - opens the profile catalog to choose the stringer profile -
(8) Material - defines the stringer material Steel_Undefined
(9) Material - opens the material catalog to choose the stringer material -
(10) Part prefix - defines the stringer part prefix P
(11) Part start number - defines the stringer part start number 1
(12) Assembly prefix - defines the stringer assembly prefix A
(13) Assembly start number - defines the stringer assembly start number 1
(14) Name - defines the stringer name STRINGER
(15) Class - defines the stringer class 2
(16) Finish - defines the stringer finish -

Steps properties

Depending on Step type selection, the Step properties user interface will change.

Step as a Contour plate:

Field Description Default
(1) Display the current selected step
Options are:
- Steps - Bottom
- Steps - Middle
- Steps - Top
Steps - Middle
(2) Also apply to check box - select this check box to apply current step properties to the steps from the Apply also to list Unselected
(3) Also apply to - defines steps wich will change their properties as the current step

Options for Steps - Bottom selection:
- All
- Top
- Intermediate

Options for Steps - Middle selection:
- All
- Top
- Bottom

Options for Steps - Top selection:
- All
- Intermediate
- Bottom

Example:
Select the middle steps. In the Step type list select Contour plate. Click in the Contour plate thickness box and type 20. Select in the Also apply to list the Bottom option. Select the Also apply to check box. Now the Bottom step has the same properties as the Middle steps.
All
(4) Add/ Remove first step
(5) Add/ Remove last step
(6) Step type
Options are:
- Contour plate
- Custom component
- Item
Contour plate
(7) Profile - defines contour plate thickness in millimeters 10
(8) Material - defines contour plate material Steel_Undefined
(9) Material - opens the material catalog to choose the step material -
(10) Part prefix - defines the step part prefix P
(11) Part start number - defines the step part start number 1
(12) Assembly prefix - defines the step assembly prefix A
(13) Assembly start number - defines the step assembly start number 1
(14) Name - defines the step name STEP
(15) Class - defines the step class 11
(16) Step finish - defines the step finish -

Step as a Custom component:

Field Description Default
(1) Display the current selected step
Options are:
- Steps - Bottom
- Steps - Middle
- Steps - Top
Steps - Middle
(2) Also apply to check box - select this check box to apply current step properties to the steps from the Apply also to list Unselected
(3) Also apply to - defines steps wich will change their properties as the current step

Options for Steps - Bottom selection:
- All
- Top
- Intermediate

Options for Steps - Middle selection:
- All
- Top
- Bottom

Options for Steps - Top selection:
- All
- Intermediate
- Bottom

Example:
Select the middle steps. In the Step type list select Custom component. In the Also apply to list select Bottom. Select the Also apply to check box. Now the Bottom step has the same properties as the Middle steps.
All
(4) Add or remove first step
(5) Add/ Remove last step
(6) Handles not swapped/ Handles swapped - swap position of the custom component
Options are:
- Handles not swapped
- Handles swapped
(7) Step type
Options are:
- Contour plate
- Custom component
- Item
Contour plate
(8) Custom component - list with the available custom components Step
(9) Attribute file - list with the available attribute file Standard

Step as an Item:

Field Description Default
(1) Display the current selected step
options are:
- Steps - Bottom
- Steps - Middle
- Steps - Top
Steps - Middle
(2) Also apply to check box - select this check box to apply current step properties to the steps from the Apply also to list Unchecked
(3) Also apply to - defines steps wich will change their properties as the current step

Options for Steps - Bottom selection:
- All
- Top
- Intermediate

Options for Steps - Middle selection:
- All
- Top
- Bottom

Options for Steps - Top selection:
- All
- Intermediate
- Bottom

Example:
Select the middle steps. In the Step type list select Item option. In the Also apply to list select Bottom. Select the Also apply to check box. Now the Bottom step has the same properties as the Middle steps.
All
(4) Add/ Remove first step
(5) Add/Remove last step
(6) Handles not swapped/ Handles swapped- swap position of the custom component
Options are:
- Handles not swapped
- Handles swapped
(7) Step type
Options are:
- Contour plate
- Custom component
- Item
Contour plate
(8) Material - defines the item material Steel_Undefined
(9) Material - opens the material catalog to choose the item material -
(10) Shape - defines the item shape Default
(11) Part prefix - defines the item part prefix c
(12) Part start number - defines the item part start number 1
(13) Assembly prefix - defines the item assembly prefix C
(14) Assembly start number - defines the item assembly start number 1
(14) Name - - defines the item name ITEM
(15) Class - defines the item class 2
(16) Finish - defines the item finish -

Connection properties

Use the Connection properties to control the connection between stair elements.

Field Description Default
(1) Connection type
Options are:
- connection attribute files for step, stringer and bracket
- step to stringer connection from the Application & components catalog
(2) Step to stringer - defines the step to stringer connection type
Options are:
- None
- Welded
- Bolted
None
(3) Step to stringer connection attribute file -
(4) Bracket - turn bracket ON or OFF
Options are:
- ON
- OFF
ON
(5) Bracket to stringer - defines the bracket to stringer connection type
Options are:
- NONE
- WELDED
- BOLTED
BOLTED
(6) Bracket to stringer connection attribute file Bracket_to_stringer
(7) Bracket to step - defines the bracket to step connection type
Options are:
- NONE
- WELDED
- BOLTED
WELDED
(8) Bracket to step connection attribute file Bracket-Step
(9) Profile - defines the bracket profile L50*5
(10) Profile - opens the profile catalog to choose the bracket profile -
(11) Material - defines the bracket material Steel_Undefined
(12) Material - opens the material catalog to choose the bracket material Steel_Undefined
(13) Part prefix - defines the bracket part prefix P
(14) Part start number - defines the bracket part start number 1
(15) Assembly prefix - defines the bracket assembly prefix A
(16) Assembly start number - defines the bracket assembly start number 1
(17) Name - defines the bracket name BRACKET
(18) Class - defines the bracket class 3
(19) Finish - defines the bracket finish PAINT
(20) Horizontal - defines the bracket horizontal offset position 0.00
(21) Vertical - defines the bracket vertical offset position 0.00
(22) Bracket length 185.00

Limitations

  • To fully configure a stair use the properties from the side pane and the DM platform from the model.
  • In General properties Step dimension drop down list is available only for HTR and TRN options.
  • In General properties Step dimension list set on Exact option, will disable formula type parameter boxes. You can edit those parameters in the model through the DM platform dimensions.
  • In General properties Formula type list set on HTR option and Step dimension list set on Equal, the R value is the maximum rise of the steps.
  • To open the Landing - Bottom properties click in the model on one of the bottom landing objects.
  • To open Steps - bottom or Steps - Top properties click in the model on the bottom or top step.
  • Connection properties have no DM dimensions.
  • Publish the Straight Staircase from Applications & components is not available.
  • Hard to configure the straight staircase through the DM platform in perspective mode.
  • For Custom component step type, brackets does not follow the steps in some cases.
  • Handles not swapped or Handles swapped buttons, swap position for all Custom component or Item step types.
  • Stringer measurement type button has no effect for the following stringer profile types: SHS, Circular hollow sections, P, D, ELD, ROD or HAT.

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