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Define the reinforcement cover thickness

Last updated September 6, 2017 by Tekla User Assistance tekla.documentation@trimble.com

Software version: 
2017i

Define the reinforcement cover thickness

Define the reinforcement cover thickness

Reinforcing bars need a concrete cover to protect them against harmful elements, such as the weather and fire. When you create single bars, Tekla Structures uses the thickness of concrete cover to determine the position of the bar.

To define the reinforcement cover thickness, do one of the following:

To Do this

Change the cover thickness using direct modification

  1. Ensure that theDirect modification switch is active.

  2. Select a single reinforcing bar, a reinforcing bar group, or a mesh.

  3. Drag a line handle to the desired location.

Change the cover thickness using the Reinforcing Bar Properties or Reinforcement Mesh Properties dialog box

  1. Select a single reinforcing bar, a reinforcing bar group, or a mesh.

  2. Double-click the reinforcement to open the Reinforcing Bar Properties or Reinforcement Mesh Properties dialog box.

  3. Define the reinforcing bar cover thickness in the Cover thickness area.

    The cover thickness can be defined in three directions:
    • On plane, that is, the distance from beam’s bottom, top, and side surfaces to the bar.

      You can enter several values. Enter the values in the order you pick the points to create the bar. If you enter less values than there are bar legs, Tekla Structures uses the last value for the remaining legs.

    • From plane, that is, the distance from the end surface of the beam to the bar.

      If the reinforcing bar is outside the part, enter a negative value in the On Plane and/or the From Plane boxes.

    • In the longitudinal direction of the bar, that is, start and end.

      To define the length of an ultimate leg of a bar, use the Leg length option and the Snap to nearest points switch. Then pick anywhere on a part edge or line to indicate the direction for the bar leg.

  4. Click Modify.

Change the default cover thickness of the rebar sets in a model

  1. On the File menu, click Settings > Options to open the Options dialog box.
  2. Go to the Reinforcement settings.
  3. Modify the settings and click OK.
  4. To apply the changes to all or selected existing rebar sets in the model, on the Concrete tab, click Rebar set > Regenerate rebar sets.

Change the cover thickness of the rebar sets in an individual concrete part

  1. Double-click a concrete part to access its properties.
  2. In the part properties dialog box, click the User-defined attributes button.
  3. Go to the Concrete cover tab.
  4. Define the cover thickness at the top, bottom, and side faces of the part.
  5. Click Modify.
On plane From plane Start and end

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