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Anchor Rods

Last updated July 10, 2018 by Developer TIN Structures.developer.in@trimble.com

Software version: 
Not version-specific
Environment: 
Not environment-specific

Anchor Rods

Anchor Rods allows you to create anchor rods for any base platecomponent object that represents a plate welded to a column base

Base plates are used to distribute the concentrated load of the column over a wider area.

with bolts. It allows you to create anchor rods for base plate(1) part that represents a flat structure

(1) In some contexts, for example in analysis, the term plate object may be used to refer to plates.

(2) plate that represents a steel structure

(2) Plate is mainly used as a connection piece or as a floor plate.

components (system components, custom components, plug-ins), manually created base plate and bolt groups. Anchor Rods works differently with the component selection option and part selection. Those are expained in the Usage section.

How to locate

Anchor Rods will be available in the Applications & components catalog under Anchor Rods after the installation.

  

Double-click the component to open the dialog box to edit the required properties.

Usage

Click the component thumbnail image or the component name in the Applications & components cataloguser interface for displaying or modifying information in categorized lists

For example, profile catalog and shape catalog are catalogs.

to activate the tool. It can work in different ways.

  • Select components selection switchswitch used for controlling which object types can be selected

    (Component selection mode):

 

In the component selection mode, select a base plate component (system componentcomponent that is included in a Tekla Structures configuration and whose component objects and composition the user can modify within the limits of the component properties

/custom componentcomponent that the user creates and uses for creating model objects whose composition the user can modify as a group

/plugin). Anchor Rods will create anchor rods at all the bolt positions as a nested componentcomponent that consists of several components

Nested components include elements that are modeled as sub-components.

. Bolts convert to bolt holes automatically.

  • Select objects in components selection switch (Part selection mode):

 

In the part selection mode, first select a part and then a particular bolt groupgroup of bolts that forms a connecting building object between an assembly main part and secondary parts

The number of bolts in a bolt group depends on the bolt group shape and the values of bolt distances.

attached to it. Anchor rods will be created at each bolt position. In this case, you need to change the input bolts to holes from the bolt properties. If there are multiple bolt groups, you have to apply the plug-incomponent that is developed using Tekla Open API

Plug-in is a .dll file and loaded inside Tekla Structures process.

Plug-ins can be started from the applications and components catalog.

multiple times to achieve the required result.

Anchor rods dialog box 

There are two tabs in the Anchor Rods dialog box:

  • General 

  • Plates

General

 

 

1. Parts of anchor rod

Define the part properties here. Anchor rod assembly number prefix and start numberfirst number of a numbering series

are used as assembly prefix and start number for the assembly.

2. Cast plate 

Define the cast plate here. To create the cast plate, set the cast plate thickness to something other than zero. The cast plate has a separate assembly prefix. The default cast plate thickness is zero.

3. Grout

To create a groutbuilding object that represents the filling of seams between parts, or holes or voids in a part with grout

Grouting can be used when connecting parts with anchor bolts or rods, or in seams between panels, for example.

Grout is flowing concrete that hardens after application.

, set the thickness to something other than zero. The grout has a separate assembly number and it can be filtered out if not required in reports.

4. Plate prefix

You can change the plate prefix from the default value by selecting an appropriate value from the list. The default value is the project default plate prefix.

5. Anchor type 

You can change the anchor type to custom partcomponent for creating a part that cannot be created by using any existing part command or part profile

Typically, custom parts are used to create parts that have a complex composition. For example, castellated beams and sandwich panels are often created as custom parts.

by selecting the option from the list. If you select custom part, instead of creating anchor rods from the settings in Anchor Rods dialog box, you can insert a predefined custom part with an appropriate attribute file name.

6. Anchor dimensions

Define the anchor dimensions, projections, thread length, anchor rod shape, gaps and profile for headed anchors etc here. You can control the gapany space between two objects

The term ’gap’ is used in its general sense in Tekla Structures.

between the plate and the washer, and it can be used for maintaining similar assembly number for the anchor rods applied to base plates with different thicknesses.

7. Anchor orientation 

Select a suitable anchor orientation and flip. These options work for custom parts as well.

8. Assembly handling of entire anchor group

By default, the entire anchor group is handled as a single assembly. With the option No, a separate assembly is created for each anchor rod set.

9.Anchor rod set assembly handling

Manage the entire creation and assembly for anchor sets here.

 
The table below lists items and their defaults in order from top to bottom

Item Creation default Assembly default 
Lock nut No No
Nut1 No No
Washer1 No No
Plate washer 1 No No
Plate washer 2 No No
Washer2 No No
Nut2 (for cast plate) No No
Nut3 (for cast plate) No No
Nut4 No No
Extra Plate No No
Nut5 No No

10. Other options

Plate holes tolerancepermissible amount by which the dimensions of a structure may vary from the work size specified

Tolerance is usually stated as a plus or minus dimension.

The term ’tolerance’ is used in its general sense in Tekla Structures.

In a model the term ’tolerance’ should not be used to refer to a gap.

 is meant for all the holes created for plates, such as plate washer, cast plate, and shim platecomponent object that represents a plate that is used for filling clearances and gaps on the construction site

.
Anchor delete list helps you to delete an anchor from a bolt position. Enter anchor numbers separated by commas to do this.

Plates

 

Fitting plates

Define the fittingadjustment of a part end

plates or level plates for base plates here. To create a fitting plate, at least set the thickness to something other than zero and a value for the Number of Fitting plates option. 

Fit plate hole type

Select the holesmall hollow open throughout a part or assembly that is usually used for fastening parts with bolts or other such objects

Hole is created in the same way as bolts and hole properties are defined in the bolt properties.

type: round, slotted horizontal, or slotted vertical.

Limitations

If input contains a contour platepart whose outline form the user defines by picking three or more points

The user can define the shape of the contour plate parallel to the work plane. The profile in use defines the thickness. The corners of the contour plate can be chamfered.

, sometimes the grout does not work properly. In that case, try reversing the bolt from the input plugin component or from the bolt properties, and then use the flip option from this extension to control the vertical orientation of the anchor.

Tips

  • If there are grout holes (used bolt as grout holes) in the base plate component, you have the following options to avoid creating anchor rods in the grout holes:

  • Option 1: Go for component selection. Avoid creating anchor rods by giving a delete list of bolt positions.

  • Option 2: Go for part selection, then select the base plate, and then the bolt group required to be anchor rods. If there are multiple bolt groups other than the grout hole, repeat the process again.

  • Option 3: Explodeto ungroup the objects that are parts of another object or a component

    In Tekla Structures, it is possible to explode components, cast units, assemblies, bent plates, parts that have attached parts, and drawing shapes and plug-ins.

    The exploded objects cannot be reverted back to the original group.

    the component, and proceed as in Option 2.

  • If the base plate is not a component then it is just a plate and bolt groups, and you can directly use Option 2 (make sure that the selection mode is part selection).

Note: Use Option 2 if different parameters are required for different sets of anchor rods (example: Bolt dia, orientation etc.).

Examples:

(a) Anchor rods applied on PEB Baseplate of Pre-Engineered Building Tools (https://warehouse.tekla.com/#/catalog/details/u44e27181-da63-423f-87c4-e48bdf46499b). If the anchor rods are reversed by following the bolt group orientation, flip it with the flip option.

 

(b) Working with different bolt groups

 

In the part selection mode, select bolt group 1 first. And then the second. Here, change the properties of anchors, if required. See the output below.
 

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