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Define a clash check clearance area for bolts

Last updated September 10, 2018 by Tekla User Assistance tekla.documentation@trimble.com

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Define a clash check clearance area for bolts

Define a clash check clearance area for bolts

To check if bolts collide with profiles and if there is enough space to fix the bolt, you can define a clash check clearanceset space between objects

In bolted connections, clearance is required for entering and tightening the bolts with an impact wrench. In addition to this, there may be a clearance for a fillet.

In welded connections, clearances are required in order to allow a welder to lay a correct weld.

Reinforcing bar clearance defines the minimum clearance or the allowed overlap for reinforcing bars when they are checked against other objects.

area for bolts.

  1. On the File menu, click Settings > Options .
  2. In the Options dialog box, go to the Clash check settings.
  3. Modify the bolt clearance values.

    If the boxes are empty, Tekla Structures uses the default value 1.00.

    d is the larger value of the bolt head or nut diameters

    Clash check clearance area

  4. Ensure that you have selected the check box in front of each box.

    If you clear the check boxes, the clearance will be zero.

  5. Click Apply or OK.

If Tekla Structures cannot find the bolt head or nut diameter in the bolt catalogcatalog that displays predefined objects that can be used in a bolt assembly catalog

Predefined objects in the bolt catalog are bolt elements, for example, bolts of different sizes and lengths, washers, and nuts.

, it uses the shank diameter instead.

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