Hate to say it, but I think you have to select all of your frame elements and release the moments as appropriate at both ends.
In V7.5, even the truss templates are actually frames.
I was wondering if anyone knows a way to model a support that can only provide a reaction in one direction (i.e., restrained in -z, but free to move in +z)
Thanks
Thanks for the comment.
Somehow, we wound up driving the train on this project, which was probably our biggest mistake. We were specifically directed by the architect "to make assumptions and move on" and repeatedly told that our deadline for biddable structural plans would not be...
Although they model the bottom slab differently, the Missouri DOT Bridge Manual, Section 3.30, has some very good information on distributing loads on box culverts and general design practices for box culverts. You can find it at:
http://www.modot.state.mo.us/business/bridgedesign.htm
On a design/bid/build public works project (a pedestrian bridge with rather long spans and major architectural embellishment), we are being told the following by our client (an architect):
- The structural engineer is responsible for the layout and dimensioning of staircases (rise/run, ADA...
