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Stud Rail

Software version: 2017 - 2019i

Last updated August 2, 2019 by Tekla Support US tekla.support.us@trimble.com

United States (Imperial)
United States (Metric)

Stud Rail

CATALOGuser interface for displaying or modifying information in categorized lists

For example, profile catalog and shape catalog are catalogs.

NAME: Studbolt element that represents a metal rod or pin that is used to transfer loads

Studs and other bolt elements are listed in the bolt catalog.

A stud can be secured with two or more nuts and have threading at both ends, or it can be welded to steel parts, for example.

A stud is part of the bolt assembly.

Rail v2


The version (v2) of this component was first available in v2017. It is included in the v2017 US environment Model Templates and Custom Components folder. This custom component can also be imported and used in v2016 and v2016i.

There are three stud spacing options for controlling the spacing of the studs.

Stud Spacing Option 1 (Number of Studs) will space the studs equally. The start and end distances are equal and taken from the entered value. The resulting distance is used with the entered number of studs to calculate the equal spacing.

Use this Stud Spacing option when you need staggered studs. Add the component once using a position offset and another time using a negative offset. Then modify the start distance value accordingly. This will work for both Stud Type options.


Stud Spacing Option 2 (Exact Spacing) will space the studs exactly as desired and the start and end distances will be calculated to be both equal and between the minimum entered distance and the exact spacing.

Stud Spacing Option 3 (Linear) will space the studs as you define. The start distance, number of studs, and spacing distance is taken from the entered values.

There are two stud type options for using bolts for the studs or parts. The benefits of using parts is that they can be numbered, named, etc. like any other part.

Stud Type Option 1 (Studs are Bolts) will create the studs using the studs defined in the bolt catalogcatalog that displays predefined objects that can be used in a bolt assembly catalog

Predefined objects in the bolt catalog are bolt elements, for example, bolts of different sizes and lengths, washers, and nuts.

. To the right of this option list is the Bolt Standard option list. This list must be included in the custom componentcomponent that the user creates and uses for creating model objects whose composition the user can modify as a group

in order for the stud diameter and length option lists to work correctly. The stud diameter and stud length option lists will appear in the middle of the picture when the "Studs are Bolts" option is used. This pulls the lengths directly from the bolt catalog.

Stud Type Option 2 (Studs are Parts) will create the studs using the studs defined in the profile catalogcatalog that displays profiles and information on the profiles

In addition to the available profiles in the respective Tekla Structures environment, the user can add fixed or parametric user-defined profiles to the profile catalog. It is also possible to import profiles to the profile catalog.

. Notice the stud diameter, stud length, and stud standard option lists do not appear in the middle of the picture when the "Studs are Parts" option is used. In their place will be a distance field to enter in the length of the studs and the Stud Part section at the bottom of the dialog will become available for you to chose the stud part from the profile catalog. In addition you can define the Part_No, Material, Name, Finish, and Classpart property that groups parts according to identifiers given by the user

The identifiers of classes are usually numbers. Classes can be used for defining the color of parts in the model, for example. Class does not influence the numbering of model objects.

of the Stud Parts.

This Stud Type Option uses the Array component to add the additional studs down the member. After you select this option, any changes to the Pos_No, Material, Name, Finish, or Class fields will only be applied to the 'source' studs when the Modify button is clicked.

In order for all the stud parts to inherit the same values for these fields, you'll need to make sure that you change the Profile field (to a different profile and back again if necessary) or the Stud Type Option field (to Studs are Bolts and back again to Studs are Parts) after you make any changes to the Pos_No, Material, Name, Finish, or Class fields.


Starting in v21.1, the above Custom Component is available in all US Environment Model Templates
  • CIPcast unit type where the concrete is formed, poured, and cured in its final position

    -Rebar Detailing
  • Engineering
  • Precast Detailing*
  • Steel Detailing

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