STAAD.Pro Help

AD.2007-09.1.2 I-Section with Flange Plates or Composite Slab

User-provided steel table Wide Flange sections can now have an additional bottom flange plate or composite concrete on the top flange.

These options are available in the Wide Flange dialog in the user interface. The additional flange plates or composite slab data is then used along with the base section properties.

To add a UPT I-Section with flange plates and composite slab

  1. (Optional) Select Tools > Select Input Units. Select appropriate units for length and click OK.

  2. Select Tools >  Create User Table.

    If no User Defined Table exists, you will be prompted to create one.

    The Create User Provided Table dialog opens.

  3. Click New Table.

    The Select Section Type dialog opens.

  4. In the Select Section Type list, select WIDE FLANGE and then click OK.

    Tip: You can also use this dialog to save the User Provided Table as a separate file.

    The dialog closes and the Select Existing Table list in the Create User Provided Table dialog now has at least one entry.

  5. Click Add New Property.

    The Wide Flange dialog opens.

  6. Add a composite flange:

    1. Check the option for Additional Composite Flange.
    2. Type dimensions in the B(letf), B(right), Thickness, and, Modular Ratio fields to define the composite slab.
    Note: Refer to TR.19.1 ワイドフランジ for detailed descriptions on properties of Wide Flange sections in User Steel tables.
  7. To add a bottom cover plate, select the Additional Bottom Steel Plate option and type values for B(left), B(right), and Thickness.

    Tip: Top cover plates cannot be added in association with a composite slab, only bottom cover plates.
  8. Click Calculate.

    The derivative cross section properties are calculated.

  9. Click OK.

    The dialog closes and the section is added to the Table Data list in the Create User Provided Table dialog.