.You can draw a Double Angle shape by clicking the Draw menu > Draw Structural Shape > Double Angle
command or by clicking the associated toolbar button, .
When a Double Angle shape is initially drawn, the angle legs parallel to the Section Designer X-axis are called the flange of the Double Angle shape. The angle legs parallel to the Section Designer Y-axis are called the web of the Double Angle shape. Thus initially the flange is horizontal and the web is vertical. This orientation changes if you rotate the shape. For example, if after drawing the Double Angle you rotate it 90 degrees then the flange is vertical and the web is horizontal.
Note that there is no reinforcing associated with a
Double Angle shape. If you want to place reinforcing in a Double Angle
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 Double Angle shape.
Type: The shape type is User Defined.
Material: The default material property for Double Angle 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 web to the top of the flange.
Width: The total width of the flange of the shape.
Flange Thick: The thickness of the flange of the shape.
Web Thick: The thickness of the web of one of the angles in the shape.
Separation: The distance between the webs of the two angles.
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: