Frequently Asked Questions
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Beams Frequently Asked Questions
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| How do I define a steel composite beam with a steel deck? |
B001 |
The Sam steel/concrete commposite beam module only allows you to analyse a steel beam with a concrete slab. It is unable to design a steel beam with a steel deck.
| Why is the "Merge by stage #" button greyed out when I'm defining a beam with concrete in-fill pre-tensioned beam? |
B002 |
Sam is unable to merge two section components by stage where one lies completely within the other or where they have a coincident face.
Use a vertical offset to shift one component upwards by 1mm. The "Merge by stage #" button will become active.
| How do I define the locations of several cross sections in a beam? |
B003 |
If a beam consists of two or more sections along its length you must define the start and end of each section as shown in the screenshot below.
| How do I debond a tendon? |
B004 |
To debond a tendon, go to the Pre-tensioned Beam Tendon Definition form and set the Edit Tendons field to "Debond". Next, specifiy whether the beam has a symmetric eleation then enter the locations of the left and right deboind positions you require. If the elevation is symmetric, Sam will automatically calculate the second value after the first is entered.
Once you have set the required deboind locations, select the tendons to be debonded using the cross section view. The selected tendons will turn blue.
Finally, press the Insert key on your keyboard or right click in the cross section view and select "Debond" from the context menu. The tendons will change to circles and vertical blue lines will be introduced in the elevation view.
| How do I define more than 5 debond locations? |
B005 |
Sam is limited to a maximum of 5 pairs of debond locations.
| How do I enter a new construction stage location within an already defined stage? |
B006 |
For steel composite beams (B.01)
- Click on the "Define and locate span feature" field and select "Construction Stages".
- Go to the second entry for the stage you wish to shorten and change the position or proporation along the span to the correct value.
- Click on the next row in the table and press the Insert key on the keyboard twice.
- Make the start posiition of the new stage the same as the end position of the previous stage.
- Set the end position of the new stage to the correct location.
- Change the start position of the next stage to the same value as the end position of the newly added stage.
- Click "OK" to save the changes.
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