Next you will assign cross section properties for the beams and columns.

MEMB PROP
1 4 PRIS YD 300 ZD 275
2 5 PRIS YD 350 ZD 275
3 PRIS YD 350
...
MATERIAL CONCRETE-LTW ALL

1. Select the Properties page in the Analytical Modeling page control bar.
   
   The Properties - Whole Structure dialog opens.
   

2. Either:

   on the Specifications ribbon tab, click the Prismatic tool in the Beam Profiles group
   
   

   or

   click Define

   The Property dialog opens.

   
3. Define a 30 cm x 27.5 cm rectangular, concrete beam:
   1. Select the Rectangle tab.
   2. Check the Material option and select CONCRETE-LTW from the list.
      Note: This will automatically assign the user-defined material created in a previous procedure to the sections.
   3. Type 300 (mm) in the YD field.
   4. Type 275 (mm) in the ZD field.
   5. Click Add.
4. Repeat step 3 to define the beam member property, this time with a depth (YD) of 350 and a width (ZD) of 275.
5. Define a 35 cm round, concrete column:
   1. Select the Circle tab.
      
   2. Check the Material option and select CONCRETE-LTW from the list.
   3. Specify the diameter (YD) as 350 mm.
   4. Click Add.
6. Click Close.
7. Assign the 30 cm x 27.5 cm shape to members 1 and 4 (end columns):
   1. Select Rect 0.30x0.28 in the list of sections.
   2. Select the Use Cursor to Assign option in the Assignment Method group.
   3. Click Assign.

      The mouse pointer changes to

   4. In the view window, click on members 1 and 4.
   5. To stop assigning members, either:

      click Assigning

      or

      press the <Esc> key.

8. Repeat step 7 to assign the 0.35cm x 27.5 cm rectangular shape to members 2 and 5 (beams).
9. Repeat step 7 to assign the 0.35cm circular shape to members 3 (center column).

The frame with sections assigned