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I was just wandering which is the best way to simulate eccentricity in beam column connections. I use rigid dummie beams with large moments and shear factors with zero mass and weight factors. I simulate my connections like this because its easier to handle the general geometry of my model. The...

Thanks for the tip. George D. Ntounis Structural Engineer Dip. National Technical University of Athens

Thank you mohandes2018 for your reply. Am aware how sap calculates mass to joints. Have to check if there is a difference in the modal analysis modes with and without the diaphragm constraints. Especially the fundamental RZ mode. This mode is affected by the mass moment of inertia. Thanks again...

When a diaphgram constraint is assigned to level joints, does sap2000 calculates automatically the mass moment of inertia of these joints? (In reference with the level center of mass). Thanks in advance. George D. Ntounis Structural Engineer Dip. National Technical University of Athens

Hello to everyone. I want to create a master joint (node) in the center of mass of each level (slabs on every level). I want to concentrate each level mass and mass moment of inertia in these master joints. I assign to every level master joint the level constrain (diaphragm constrain Z). The...

Tnx...I ve seen these watch and leran series...I needed something more specific...A complete example from start to end...Tnx anyway...

I agree with lisica...Thats exactly what i am saying in my previous post...You can only design these sections as beams...Not as columns...

Does anyone know a good complete tutorial for a concrete building? From start (foundation, columns, beams, slabs etc).

Yes but in the concrete reinforcement you can only choose the beam design type. What if you want to use the section as a concrete column (P-M2-M3 Design)?

Hello to everybody...I am new in the forum...I've been working with sap2000 v11 one year now...I designed a column section in sap2000 section designer...An angle concrete column...I assign the section to the frames i want...When i start design/check of structure i get the message "error during...