Hi everyone. I’ve downloaded the RFEM student version and I’m trying to figure it out. At first glance everything is simple: I created a model, assigned materials and sections, defined supports, applied loads. Everything is great — clear, fast, and straightforward.
Then I started learning the reinforced concrete add-on, and here I’m running into a lot of issues. I can’t find a detailed description of the “Edit ultimate configuration” dialog and other “Concrete design” dialogs. I guess I’m entering something incorrectly there, because “Required reinforcement” always matches “Provided reinforcement”.
I reduce the rebar diameter in a beam, recalculate — and again “Required reinforcement” equals “Provided reinforcement” (and all design check utilization factors are OK). If I reduce the reinforcement even more (down to a minimum), “Not covered reinforcement” appears, but all design checks are still OK.
Please help me set up the design so that:
- “Provided reinforcement” shows the reinforcement I actually defined in the members,
- “Required reinforcement” shows the minimum reinforcement that satisfies all checks,
- “Not covered reinforcement” shows the difference between those two.
Also, when I look at internal force diagrams, everything looks fine (even with seismic loads). But the “Required reinforcement” diagram looks illogical: there is top reinforcement in midspan (and it is even larger than at the support), etc.
And one last question: is it possible to obtain the reinforcement envelope (Required reinforcement) selected according to all checks specified in Concrete design without defining reinforcement in the members?
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