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Pour units

Tekla Structures
2021
Tekla Structures

Pour units

When pour management is enabled, you can create pour units that combine together pour objects and other objects. A pour unit is an entity for cast-in-place concrete and it consists of a pour object and all related reinforcement, embeds, and other objects that need to be in place before concrete can be poured on the building site.

For each pour object in the model, there is a corresponding pour unit to which the pour object belongs. You can automatically add other objects to pour units by using the Calculate pour units command. You can also modify the pour units manually.

The following model objects can be added to pour units:

  • Reinforcement, such as single reinforcing bars, bar groups, reinforcement meshes and strands
  • Assemblies (for example, embeds)
  • Sub-assemblies (for example, embeds in cast-in-place cast units)
  • Bolts (for example, anchor bolts and shear studs)
  • Surfaces added to the pour object
  • Precast cast units

Precast cast units can only be added manually, not by using the Calculate pour units command.

Note that some model objects such as parts and welds cannot be directly added to a pour unit. Instead, these objects are indirectly linked to the pour unit through the assemblies and cast units they belong to.

One model object can be included in only one pour unit at a time.

Calculate pour units

You can have Tekla Structures detect which objects form pour units and automatically add the objects to pour units.

  1. Ensure that pour management is enabled.
  2. On the Concrete tab, click Calculate pour units.

    Tekla Structures adds the objects to pour units.

You can check the pour units in a pour view, or using the Inquire tool, Organizer, or reports.

If you want to modify the pour units, you can manually add and remove objects. The manual additions will be kept even if you use the Calculate pour units command again, but the objects you manually remove from pour units will be added again.

Check and inquire objects in a pour unit

You can visually check which objects are included in a pour unit. You can also use the Inquire tool to get information about the pour unit and the objects in it.

  1. Ensure that you are using a pour view. If not, on the Concrete tab, click Pour view to show the pour objects.
  2. Ensure that the Select assemblies selection switch is active.
  3. Click a pour object to select its pour unit.

    A magenta box indicates the pour unit.

  4. Right-click and select Inquire .

    Tekla Structures lists the objects in the pour unit and shows their properties in the Inquire object dialog box.

Add objects to a pour unit

In addition to using the Calculate pour units command, you can manually add objects to pour units.

  1. Ensure that you are using a pour view. If not, on the Concrete tab, click Pour view to show the pour objects.
  2. Select the objects that you want to add to a pour unit.

    You can add reinforcement, assemblies, precast cast units, and bolts.

    If you have other objects selected, they will not be added.

  3. Right-click and select Pour > Add to pour unit.

    Alternatively, you can go to Quick Launch and use the Add selected objects to pour unit command. You can also assign a keyboard shortcut to this command.

  4. Click a pour object to add the objects to the corresponding pour unit.
Tekla Structures adds all the objects that can be added to the pour unit. The unallowed objects are not added.
Tip:

If you do not have objects selected, you can first start the Add to pour unit command by using Quick Launch or a customized keyboard shortcut, and then select the object that you want to add to the pour unit.

Remove objects from a pour unit

After using the Calculate pour units command, you can manually remove objects from pour units.

  1. Select the object that you want to remove from a pour unit.
  2. Right-click and select Pour > Remove from pour unit.

    Alternatively, you can go to Quick Launch and use the Remove selected objects from pour unit command. You can also assign a keyboard shortcut to this command.

The removed object can then be added to another pour unit either manually with the Pour > Add to pour unit command, or automatically with the Calculate pour units command.
Tip:

If you do not have objects selected, you can first start the Remove from pour unit command by using Quick Launch or a customized keyboard shortcut, and then select the object that you want to remove from the pour unit.

Reset pour unit relations

In some cases you may need to reset all or some of the pour unit contents and relations defined using the Calculate pour units command and/or the Add to pour unit command.

To do this:

  1. Go to Quick Launch.
  2. Search for and select the appropriate command of the following:
    • Reset all pour unit relations
    • Reset all manually assigned pour unit relations
    • Reset all pour unit relations except manual assignments
  3. In the confirmation dialog box, click Yes to reset pour unit relations.

    Note that if you use the Reset all pour unit relations command, and then click No in the confirmation dialog box to cancel the resetting of the manual assignments, the automatic relations are still reset. If you want to recreate the automatic relations, use the Calculate pour units command again.

Modify the properties of a pour unit

You can modify the pour unit properties in the same way as pour object properties, but using a different selection switch.

  1. Ensure that you are using a pour view. If not, click Pour view on the Concrete tab to show the pour objects.
  2. Ensure that the Select assemblies selection switch is active.
  3. Double-click the pour unit whose properties you want to modify.
  4. In the property pane, enter or modify the pour unit properties.

    For example, you can define the pour unit name and user-defined attributes.

  5. Click Modify.
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