You can draw a Box/Tube shape by clicking the Draw menu > Draw Structural Shape > Box/Tube
command or by clicking the associated toolbar button, ,
that is located on the side toolbar.
When a Box/Tube shape is initially drawn, the sides parallel to the Section Designer X-axis are called the flanges of the Box/Tube shape. The sides parallel to the Section Designer Y-axis are called the web of the Box/Tube shape. Thus initially the flanges are horizontal and the webs are vertical. This orientation changes if you rotate the shape. For example, if after drawing the Box/Tube you rotate it 90 degrees then the flanges are vertical and the webs are horizontal.
Note that there is no reinforcing associated with a
Box/Tube shape. If you want to place reinforcing in a Box/Tube shape then
you must use the Draw menu > Draw Reinforcing Shape
command, or its associated toolbar button, , to do it.
Following are the shape properties associated with the Box/Tube shape.
Type: The shape type is User Defined.
Material: The default material property for Box/Tube shapes is Steel. To change this item, right click in the cell and select any available material property in the resulting drop-down box.
Color: This item controls the color of the fill for the shape. Left click on the cell to bring up the Color form where you can set the color for the fill.
X Center: The Section Designer X coordinate of the center of the bounding box for the shape. Changing this coordinate relocates the shape.
Y Center: The Section Designer Y coordinate of the center of the bounding box for the shape. Changing this coordinate relocates the shape.
Height: The height of the shape measured from the bottom of the bottom flange to the top of the top flange.
Width: The width of the flanges of the shape.
Flange Thick: The thickness of the flanges of the shape.
Web Thick: The thickness of the webs of the shape.
Rotation: Angle (in degrees) measured from the Section Designer X-Axis to the original horizontal axis of the shape. See the sketch below. Note that the shape is rotated about the center of the bounding rectangle.
See also: