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I’m using SAP2000 v26 to design steel structures based on AISC 360-10, and I'm configuring a nonlinear analysis for the structure. I use the Direct Analysis Method and apply a process where each load case starts with the structure deformed under dead load (state D). Additionally, I adopt K=1 for...

Hello, thank you for this reply, the specific name and the excerpt are very useful. But, what do you mean by EC-4? are you saying equation number four?

The beams are existing ones (as a show on the last photo), then i should pour concrete from above This is not the final design, maybe it will have also rebars on the button between beams

Im creating a None section property shell to facilitate load distribution in beams but it does nothing, any idea why it could be happening? I want to apply lateral wind loads to a structure without using ETABS function to do it. Just wanna do it manually. (i have a code wich its not...

I have to calculate and design the reinforcement of a concrete shell structure like this one: So i was advice to use Rhinos for making a mesh surface and then analyze it in Sap2000 (even though i do prefer Staad.Pro i can get my hands to work on Sap2000). I'm worried to get into a rabbit...

Hello people, As you can see most of the values given for the concrete beam design (longitudinal reinforcement) are from minimun reinforcement But if you see the forces and beam design display, it shouldn't be like that Then again, you look for design details and there it is, mininum...

Yes, and after this im thinking about doing this: The column is still filled with concrete to achieve a watertight seal and thus make the column more durable.

@le99 so let me get this straight, you would do this?

@KootK Could you tell me if I am reasoning correctly? If the plate serves to transfer the axial forces that reach the column, in the case that the column is filled with concrete, would the plate be necessary? is it not transmitted through the monolithism of the concrete?

Yes, I would have gone for that solution too, but due to architectural requirements the plate should not be visible as the slab is visible.

Hello to all, This is the analysis of the connection between metal columns (2x U channel filled with concrete) with concrete slab and inverted beams in a one-storey house. The problem is that I have little space to carry out any gadgets in the slab interspace, as you can see in the attached...