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Property modifier properties

Last updated May 10, 2019 by Tekla User Assistance tekla.documentation@trimble.com

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Property modifier properties

Property modifier properties

Use 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 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.

to view and modify the properties of the rebar set property modifiers. The file name extension of the properties file is .rst_pm.


Option Description
Bars affected

Select how many bars can be modified in the same location:

  • 1/1 = all bars are modified in the same cross section.
  • 1/2 = every second bar is modified in the same cross section.
  • 1/3 = every third bar is modified in the same cross section.
  • 1/4 = every fourth bar is modified in the same cross section.
First affected bar

Define which is the first bar to be modified, starting from the first end of the modifier.

Enter a positive number, or use the arrow buttons to change the number.


Option Description
Numbering Numbering series of the bars.

User-definable name of the bars.

Tekla Structures uses bar names in reports and drawing lists, and to identify bars of the same type.


Steel grade of the bars.

Grade-size-radius combinations are predefined in the reinforcing bar catalog. Click the ... button in the property pane to open the Select Reinforcing Bar dialog box. The dialog box shows the available bar sizes for the chosen grade. You can also select whether the bars are main bars or stirrups or ties.

The rebar_database.inp file contains the predefined reinforcing bar catalog entries.


Diameter of the bars.

Depending on the environment, the nominal diameter of the bars, or a mark that defines the diameter.

Bending radius

Internal radius of the bends in the bars.

Bending radius complies with the design code you are using. Main bars, stirrups, ties, and hooks usually have their own minimum internal bending radii, which are proportional to the diameter of the reinforcing bar. The actual bending radius is normally chosen to suit the size of the mandrels on the bar-bending machine.

Automatic values are shown in square brackets, for example [120.00].


Used to group reinforcement.

For example, you can display bars of different classes in different colors.

Advanced: Rounding

Option Description
Straight bars

Define whether the lengths of straight bars, first and last legs, and intermediate legs are rounded, and whether the bar lengths are rounded up, down, or to the nearest suitable number according to the rounding accuracy.

First and last legs
Intermediate legs
Rounding up at splitters

At splitter locations, define how much the bar lengths can be rounded up.

Advanced: Step tapering

Option Description

Define whether the bars are step tapered, and how the tapering steps are created.

The options are None , Distance , and Number of bars.

If you select the Number of bars option, enter the number of bars in one tapering step.

Straight bars

If you select the Distance option, enter the tapering step values for straight bars, first and last legs, and intermediate legs.

First and last legs
Intermediate legs

Custom properties

Click the More button to open the user-defined attributes dialog box. The file name extension of the user-defined attributes file is .rst_pm.more.

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