How Tekla Structures automatically adds objects to pour units

Tekla Structures
2020
Tekla Structures

How Tekla Structures automatically adds objects to pour units

When you use the Calculate pour units command, Tekla Structures automatically adds objects to pour units.

Each object that collides with a pour object, meaning that the object at least partly overlaps the pour object, is added to the same pour unit to which the pour object belongs.

If any object in an assembly or precast cast unit collides with a pour object, the entire assembly or cast unit is added to the pour unit.

Only reinforcement objects that belong to cast-in-place parts are added to pour units.

If any object in a reinforcing bar group or strand group collides with a pour object, the entire group is added to the pour unit. On the other hand, individual reinforcing bars in a rebar set can be added to different pour units.

Objects colliding with more than one pour object

If an object collides with more than one pour object, the object will be associated with the pour object whose bounding box has the lowest global z coordinate.

For example, the reinforcing bars colliding with a footing pour object and a column pour object are associated with the footing pour object because its bottom face has a lower global z coordinate than the column pour object.

If the lowest global z coordinates of the pour object bounding boxes are the same or differ less than 100 mm, the object will be associated with one of the pour objects according to these rules:

  1. If the object's center of gravity is within only one of the colliding pour object bounding boxes, the object will be associated with that pour object.
  2. If the object's center of gravity is within more than one pour object bounding box, or completely outside any pour object bounding box, the object will be associated with the pour object whose center of gravity is closest to the object's center of gravity.

If there are changes in pour units

Whenever there are changes in a pour object or pour unit, all associations to that pour unit are reset. Similarly, if there are changes in an object associated with the pour unit, this association is reset. The next time you use the Calculate pour units command, only the unresolved associations are calculated.

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