The 2nd Floor Type consists of a combination of different concrete members. To prepare for laying out the beams and column, the Material must first be set to Concrete. To do this:

• Select Material – Concrete or pull down the material drop down list and select "Concrete".

To enter Column Sections:

• Select PropTable – Column Sections and the Concrete Column Sections Dialog will appear.
  

  There are two concrete column sizes required for this model:

• Type C18x26 (C45x66) for Section Label.
• Enter 26 (660) for H.
• Enter 18 (450) for B.
• Click [Add].
• Type C12x24 (C30x60) for Section Label.
• Change the Cracked Section Factor for Flexure from 0.70 to 0.35. 0.7 is the default value for columns, but the C12x24 columns will be used like pilasters at the ends of a wall.
• Enter 24 (600) for H.
• Enter 12 (300) for B.
• Click [Add].
• Click [OK].

To enter the concrete beam properties:

• Select PropTable > Column Sections. The Concrete Beam Sections Dialog will open.

There will be three different concrete beam sections in this model. Enter them as follows:

• Enter B12x28 (B30x66) for Section Label.
• Set the Shape option to Rectangular.
• Enter 28 (660) for the Depth and 12 (300) for the Width
• Click [Add].
• Enter B18x30 (B45x75) for Section Label.
• Enter 30 (750) for the Depth and 18 (450) for the Width
• Click [Add].
  
• Enter B8x20-T (B20x50-T) for Section Label.
• Set the Shape option to T-Section.
• Type 20 (500) for Depth.
• Set the Flange Width to Use Calculated (the program will determine the individual beam widths based on the span, the distance to a slab edge or the distance to an adjacent beam, whichever controls).
• Set the Flange Thickness to Use Slab Thickness.
• Set the Web Thickness to 8 (200).
  Note: The program does not count any tapering of the T beam stem.
• Click [Add] and click [OK].