How to Model Bridge Decks?

[humam2104]

I've modelled a full bridge but I couldn't model the Deck and girders properly.. I modelled them as T-Beams but the Eigenvalue analysis doesn't understand that these beams are together.. I've tried to constrain the nodes in the XY Plane but that didn't help.. any ideas?

[z.gronti]

Dear humam2104,

You may find a number of bridge models in SeismoStruct's Verification report and SeismoStruct Sample models available in https://seismosoft.com/seismobuild-seis ... le-models/
If you decide that the T-Beams is the best solution for your model, then you may need to apply the proper constraint type to make these beams have the proper behaviour.

[humam2104]

Thx, that was really helpful.
If anyone is wondering how to do this then feel free to check this picture:
https://imgur.com/r81ITt2
The verification examples contain another way of doing this in the directory
%appdata%\SeismoStruct\2020\Verification Report Models\Chapter 4\Ch4-bridge-02