To change the properties of Concrete Beams, you must be in Concrete mode.

Select Items to Change:

Click any or all of the items to change: Framing, f'c, Unit Weight, Unit Weight for Self-weight, Poisson's Ratio, Aggregate, Elastic Modulus, fy Longitudinal, fy Shear. Note that Framing is not available while in Elevation view.

For each item selected above, enter a new value or select a different option. Note that items which are not selected in the Items To Change group box will be ignored.