How to define a material that is not available in the existing database?

Creation date: 8/10/2018 11:18 AM Updated: 5/15/2023 12:48 AM grade c6500 user-defined concrete strength

Question:

How can I assign the concrete fc' = 6500 psi as I can not see it in the database?

Answer:

Select 'None' as shown below and then you can modify the modulus of elasticity appropriately.

As for the design strength of concrete, open 'Modify Concrete Material' from the RC Design menu.

Here, you can specify the strength as shown below.