Modeling 2 way PT in the longitudinal direction and one-way mild in latitude direction

RE: Modeling 2 way PT in the longitudinal direction and one-way mild in latitude direction

Seth Guthrie — Thu, 13 Jan 2022 16:53:45 GMT

I have not seen one like that. If the code has some provision for T beams based on the slab depth, the program might be thrown off by the secondary beams. Regardless, just model in a manual column strip boundary on each side to proceed.

RE: Modeling 2 way PT in the longitudinal direction and one-way mild in latitude direction

Mukul Ghan — Thu, 13 Jan 2022 16:52:08 GMT

Seth,
Is there a reason why I might be getting this type of a column strip layout at column for the longitudinal strip?

Note: This is a slightly different layout than the one shown before but same PT and mild element assignment.

RE: Modeling 2 way PT in the longitudinal direction and one-way mild in latitude direction

Mukul Ghan — Thu, 13 Jan 2022 16:43:02 GMT

Thank you for your reply, Seth.

RE: Modeling 2 way PT in the longitudinal direction and one-way mild in latitude direction

Seth Guthrie — Thu, 13 Jan 2022 16:38:09 GMT

Your settings look right to me. The latitude strips will be fairly narrow, but that's fine. You might have to adjust the "consider end 1/2 as supports" and support width settings to the width of the PT Girder. See: https://communities.bentley.com/products/ram-staad/w/structural_analysis_and_design__wiki/4507/ram-concept-design-strips-tn#beams

In the longitude direction, some users like to use the "Design column strip for CS + MS resultant".