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Modify a rebar set locally using modifiers

Last updated March 6, 2017 by Tekla User Assistance tekla.documentation@trimble.com

Software version: 
2017

Modify a rebar set locally using modifiers

Modify a rebar set locally using modifiers

You can use modifiers to modify a rebar set at certain locations only.

For example, you can create a local property modifierrebar set modifier that can be used to locally change the properties of certain reinforcing bars in a rebar set

to only change the properties of certain bars in a rebar set, or you can create hooks or threading by adding an end detail modifierrebar set modifier that can be used to create hooks or threading for certain reinforcing bars in a rebar set

The rebar set end detail modifier affects the nearest end of the reinforcing bar.

, or you can split the rebar set with a splitterrebar set modifier that can be used to split the reinforcing bars in a rebar set and to create reinforcement splices

.

You can also create a secondary guidelinerebar set guideline that can be used in addition to the rebar set primary guideline to modify the geometry, direction, and spacing of reinforcing bars in a rebar set

Rebar set secondary guidelines can be used to create curved reinforcing bars or to define a different spacing at the start and end of the rebar set reinforcing bars, for example.

for the rebar set. With the secondary guidelinedefinition of the distribution and direction of the reinforcing bars in rebar sets

The spacing of the reinforcing bars is measured along the rebar set guideline. The rebar set guideline can be a line, or a polyline that may have corner chamfers.

you can define a different spacing at the start and end of the rebar set bars, for example.

Modifiers are lines, or polylines that may have corner chamfers. Modifiers are projected to rebar set leg faces. Each modifierline or polyline that can be used to locally modify reinforcing bars in a rebar set

Rebar set modifiers can be rebar set property modifiers, end detail modifiers, or splitters. Also rebar set secondary guidelines behave like rebar set modifiers.

Polyline modifier may have corner chamfers. Each rebar set modifier only affects those rebar set reinforcing bars that its projection touches.

then only affects the rebar set bars that its projection touches.

Note:

When you work with rebar sets, ensure that theDirect modification switch is active.

When you select a rebar set in the model, Tekla Structures shows the existing modifiers of the selected rebar set. Different modifiers have different colors as follows:

Modifier Color Example
Property modifier Light green
End detail modifier Magenta
Splitter Orange
Secondary guideline Light blue

You can modify the modifiers by using direct modificationfunction that activates the mode where the model objects can be modified by using handles

Direct modification enables additional handles and modification options.

, or by changing their properties in the property panecontrol element in Tekla Structures user interface in the form of a side pane window

The property pane can be used to show and modify the properties of model objects.

or on the contextual toolbarfloating toolbar that contains commands for modifying the most common object properties

The user can customize the contextual toolbar.

The term mini toolbar is used in Tekla Structures until version 21.1.

. When you change the modifier properties, the properties of the rebar set change at the location defined by the modifier.

When you delete a modifier, the rebar set reverts to the state it had without the modifier.

Create a property modifier

Property modifiers are shown in light green.

  1. Select a rebar set.
  2. On the contextual toolbar, clickAdd property modifier.
  3. Define how you want to place the modifier in the model.

    Thebutton on the contextual toolbar indicates that you can pick one point, and thebutton indicates that you can pick multiple points. Click the button to change the picking mode.

  4. Depending on the picking mode, do one of the following:
    • Pick one point to create a single line modifier for the entire rebar set.
    • Pick two points to define the end points of a single line modifier.
    • Pick multiple points to create a polyline modifier.
  5. Click the middle mouse button to finish picking.
  6. To apply local modifications to the rebar set bars at the modifier location:
    1. Select the rebar set.
    2. Select the modifier.
    3. If you need to change the modifier geometry, drag the direct modification handles.
    4. Change the property modifier properties on the contextual toolbar or in the property pane.
    5. If you used the property pane, clickto save the changes.

Create an end detail modifier

End detail modifiers affect the nearest end of the bar, so by moving the modifier you can change the bar end that it affects. End detail modifiers are shown in magenta.

Tekla Structures displays the threaded bar ends in dark red.

  1. Select a rebar set.
  2. On the contextual toolbar, clickAdd end detail modifier.
  3. Define how you want to place the modifier in the model.

    Thebutton on the contextual toolbar indicates that you can pick one point, and thebutton indicates that you can pick multiple points. Click the button to change the picking mode.

  4. Depending on the picking mode, do one of the following:
    • Pick one point to create a single line modifier for the whole rebar set.
    • Pick two points to define the end points of a single line modifier.
    • Pick multiple points to create a polyline modifier.
  5. Click the middle mouse button to finish picking.
  6. To apply local modifications to the rebar set bars at the modifier location:
    1. Select the rebar set.
    2. Select the modifier.
    3. If you need to change the modifier geometry, drag the direct modification handles.
    4. Change the end detail modifier properties on the contextual toolbar or in the property pane.
    5. If you used the property pane, clickto save the changes.

Create a splitter

Splitters split bars and create lap splices. Splitters are shown in orange.

  1. Select a rebar set.
  2. On the contextual toolbar, clickAdd splitter.
  3. Define how you want to place the splitter in the model.

    Thebutton on the contextual toolbar indicates that you can pick one point, and thebutton indicates that you can pick multiple points. Click the button to change the picking mode.

  4. Depending on the picking mode, do one of the following:
    • Pick one point to create a single line splitter for the whole rebar set.
    • Pick two points to define the end points of a single line splitter.
    • Pick multiple points to create a polyline splitter.
  5. Click the middle mouse button to finish picking.
  6. To apply local modifications to the rebar set bars at the splitter location:
    1. Select the rebar set.
    2. Select the splitter.
    3. If you need to change the splitter geometry, drag the direct modification handles.
    4. Change the splitter properties on the contextual toolbar or in the property pane.
    5. If you used the property pane, clickto save the changes.

Create a secondary guideline

You can create a secondary guideline by copying the primary guidelinerebar set guideline that is created automatically when a rebar set is created

. Then modify the copied guideline as needed.

  1. Select a rebar set.
  2. Select the primary guideline.

  3. Hold down Ctrl and drag the primary guideline to the desired location.

    Tekla Structures creates a secondary guideline when you release the mouse button.

  4. Select the secondary guideline.
  5. Modify the secondary guideline geometry and properties as needed.

    For example, you can adjust the secondary guideline's length or spacing values.

    See also Distribute bars in a rebar set.

  6. To set the secondary guideline as the primary guideline, clickSet as primary on the contextual toolbar.

Create a modifier by copying

You can copy rebar set modifiers.

  1. Select a rebar set.
  2. Select the modifier you want to copy.
  3. Hold down Ctrl and drag the modifier to the desired location.

    Tekla Structures creates a new modifier when you release the mouse button.

  4. Select the modifier to modify its geometry and properties as needed.

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