In RAM Frame, when assigning the load percentages for Pseudo Flexible diaphragms it will not recognize a frame number if that frame does not have a column in a particular diaphragm.
Can we either get an enhancement to assign a column to multiple frames…
We are designing a large warehouse type building with joist girder moment frames in both directions (however no columns are acting biaxially in frames).
This is a large footprint building and thus lots of frames.
We need to extract end moments (dead…
Hi,
Based on NBCC 2015 4.1.8.11 4) single storey buildings with steel or wood deck as diaphragms can have a higher fundamental period compared to 4.1.8.11 3) as seen in the snap below. However, in the current RAM frame the Ta is only based on clause…
I have a concrete building with roof at different level acting as a rigid diaphragm. I am getting less building weight (7000kips) in RAM frame compared (10000 kips) to vertical reaction summary for dead load in RAM concrete analysis. II have hand calculated…
Hello!
I'm working on analyzing a simple structure in RAM Frame. The structure consists of 4 concrete walls and two stories. The concrete material specified is supposed to mimic hempcrete. I have analyzed the structure in RAM Frame and the deflections…
G'day,
If you define a Response Spectra (Custom or Code) with a rotated axes do the eccentricities get similarly translated, perhaps rotated about the COM?
I seeking to confirm that I am offsetting the mass by 0.1b perpendicular to the direction of…
In RAM SS, how does the program distributes the lateral load (seismic and wind) in a rigid and non-rigid diaphragm? What are the differences in outcome with the different diaphragm types specified?
My problem:
In the picture below, I am showing a…
I am running the seismic analysis for a 3 story structure and have questions about how to determine the appropriate building period to use for the seismic analysis.
Gravity system is typical steel frame, with composite slab/framing at 2nd and 3rd Floors…
Hello,
The moment in my frame does not seem to be correctly transferring to the fixed ends of the steel beams. All of the moment connections are set to a fixity of "XXX" and are lateral members. The ends do have moment values but seem to be way smaller…
I'm modeling a concrete two-way slab structure including multiple permanent "movement joints" with Ram SS.
In my model, movement joints are mostly located at the middle of spans and if I develop completely separated edges at each side of the joint,…
I have got my report, but there is no loading details like dead load, Wind loads and all...
In report settings i have added Loadings, but its not showing.... Wt to do????
i want to see other load details. How to get that details?
How shall we assign the unbraced length of lateral columns in a building with a mix of lateral and gravity columns supporting a flat slab? The building does have shear walls as well as a part of MWFRS.
I know for gravity columns, it will be safe to…
I have a pesky model that I've been working through. Originally having issues with a sloped semi-rigid diaphragm at the high roof, I eventually changed it to be flat in order to get a first pass on the model.
Dead, Live, Roof, Seismic, COR, Eigen Solution…
I am designing the top level of a structure. I modeled a dummy structure below to ensure I was getting the correct wind loads. I need to get the reactions from my top level on the structure below. Using the reaction envelope feature doesn't work because…
Which modules within RAM Structural System use reduced live loads (if reducible live loads are applied)?
Is live load reduction performed for the Post-Processing -> Foundation Loads -> Gravity from RAM Steel Reports?
Is live load reduction performed…
I was wondering if there is any literature on the best way to approach the design of a simple four sided moment frame building using RAM Structural System?
Thanks,
Scott
Hey all,
Just wondering as to how people have been approaching inputting wind uplift loading into the RAM SS loadings/load combinations. Any ideas would be greatly appreciated. Also I am wondering from the Bentley Tech's who are on this forum, will…