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Create a reinforcement strand pattern

Added August 31, 2016 by Tekla User Assistance tekla.documentation@trimble.com

Software version: 
2016i

Create a reinforcement strand pattern

Create a reinforcement strand pattern

You can create prestressed straight or deflected strands for concrete parts.

Note:

To allow positioning of the strands, first create points to the part you are creating the strands for. On the Edit tab, click Points and select On plane to open the Point Array dialog box. Define the point coordinates.

  1. On the Concrete tab, click Rebar and select Strand pattern.

    If you need to modify the properties before you create the reinforcement, hold down Shift and click the Strand pattern command to open the Strand Pattern Properties dialog box.

  2. Select the part you are creating strands for.
  3. Pick each of the points that you are using to position the strands (for example, at the end of a part).

    The points you pick define the first cross sectiongeometrical form of a part sectioned perpendicular to its axis

    .

  4. Click the middle mouse button to finish picking.
  5. Pick points to position the strands.
    • If you create a single cross section, pick two points to define the length of the strands.

    • If you create two or more cross sections, for each cross section, pick points to indicate the strandreinforcement that represents a group of wires spun together

      positions. Pick the strand positions in the same order as for the first cross section.

  6. Click the middle mouse button to finish picking.

    Tekla Structures creates the strands.

  7. If you wan to change the strand properties:
    1. Double-click the strand pattern to open the Strand Pattern Properties dialog box.
    2. Modify the properties.
    3. Click Modify.

Reinforcement strand properties

Use the Strand Pattern Properties dialog box to view and modify the properties of strands. The file name extension of the properties file is .rbs.

Option Description
Strand prefix and start number Mark series of the bar.
Name

User-definable name of the strand.

Tekla Structures uses bar names in reports and drawing lists, and to identify strands of the same type.

Size

Diameter of the bar.

Depending on the environment, the nominal diameter of the bar, or a mark that defines the diameter.

Grade Steel grade of the bar.
Bending radius

Internal radius of the bends in the bar.

You can enter a separate value for each bar bend. Separate the values with spaces.

Class

Used to group reinforcement.

For example, you can display strands of different classes in different colors.

Pull per strand Pre-stress load per strand (kN).
Number of cross sections

Number of cross sections of the strand pattern.

  • Number of profiles 1 = strand profile
  • Number of profiles 2 = strand profile
  • Number of profiles 3 = strand profile
  • Number of profiles 4 = strand profile

User-defined attributes

You can create user-defined attributes to add information about reinforcement. Attributes can consist of numbers, text, or lists.

You can use the values of user-defined attributes in reports and drawings.

To create user-defined attributes, click the User-defined attributes button in the reinforcement properties dialog box.

You can also change the name of the fields, and add new ones, by editing the objects.inp file. See User-defined attributes (UDAs) in the objects.inp file.

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