Automatic grouping of rebar sets for drawings

Tekla Structures
2022
Tekla Structures

Automatic grouping of rebar sets for drawings

The reinforcing bars created by using the rebar set commands are automatically grouped for drawing marking and dimensioning purposes. The automatic grouping works both for simple, non-tapered groups as well as for tapered groups.

The automatic grouping of rebar set bars takes cast units into consideration. If a cast unit consists of multiple parts, the bars are grouped within the cast unit instead of the parts.

Preconditions for rebar group creation

Simple, non-tapered groups are created when:

  • Bars are created by the same rebar set
  • Bars are side by side, placed radially, or parallel and distributed along a curve
  • Bars have identical properties, including length
  • Bars have the same position number

Linearly tapered bars are grouped when:

  • Bars are created by the same rebar set
  • Bars have identical properties, except length
  • Length of bars increases linearly
  • Distance between each bar end and the tapering line is less than or equal to the value set by XS_REBARSET_TAPERED_LINEAR_GROUPING_TOLERANCE for the model, or by the Tapered linear tolerance user-defined attribute for a rebar set or property modifier.
  • There are minimum of 3 bars in a group

Bars that are tapered along a curve are grouped when:

  • Bars are created by the same rebar set
  • Bars have identical properties, except length
  • Length of bars increases by following the curve
  • Distance between each bar end and the curve is less than or equal to the value set by XS_REBARSET_TAPERED_CURVED_GROUPING_TOLERANCE for the model, or by the Tapered curved tolerance user-defined attribute for a rebar set or property modifier.

Spacing of bars is taken into account in grouping if the advanced option XS_​REBARSET_​ENABLE_​BAR_​GROUPING_​WHEN_​SPACING_​DIFFERS is set to FALSE. Then only bars with same spacing are grouped, and each spacing zone of a rebar set automatically creates a separate group. If the advanced option is set to TRUE, spacing is ignored, and groups can contain bars from more than one adjacent spacing zones.

Work with rebar set groups in drawings

Automatically created groups behave in the drawing similarly as the old rebar groups:

Below is an example of an automatically created rebar group in a drawing. The drawing uses rebar group visibility option bar in the middle of group, and reinforcement mark option One leader line to group, and the dimensions have been created with the command Create dimension line.

Tip:

If you want to fine-tune the automatic grouping, you can manually group and ungroup rebar set bars by using property modifiers.

Create a property modifier for the bars that you want to group, and in the Rebar property modifier properties, set Grouping to Manual.

If you need to ungroup automatically or manually grouped bars, create a property modifier with Grouping set to No grouping.

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