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Bridge Model > Line and Plate Elements



I am trying to model a bridge superstructure using line elements for the longitudinal girders and modelling the deck as concrete plate elements. 

Why is that when I offset the deck to be at the top of the girder (using section offset) I get different bending moment output compared to a case where there are no offsets?

Please advise what the model is doing differently if I try to offset the plate element deck to be at the top of the girder.




When the section offset feature is used, software basically creates a rigid link connecting the section centroid to the offset location.  Thus, a beam element would behave as if it has 2 rigid short columns at the end.  Kindly refer the description provided below in our online help manual.
Kindly let us know if further assistance would be required.

Technical Manager, MIDAS
Creation date: 10/17/2018 9:43 PM (dklee@midasit.com)      Updated: 10/18/2018 7:13 AM (dklee@midasit.com)
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Sample File.pdf
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