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beam end force summary sign conventions
Referring to the post shown in below link https://communities.bentley.com/products/ram-staad/f/ram-staad-forum/168796/force-summaryquery 1: for axial , in SUMMARY stadd reports MAx Fx and Min Fx to...
View ArticlePRETENSION IN TIE ROD FOR CANTILEVER ROOF STRUCTURE
IN MY PROBLEM I GET A DOWNWARD VERTICAL DEFLECTION OF 92MM WHICH IS MORE THAN ALLOWABLE(SPAN/90=72MM). I WANT TO APPLY PRETENSION IN THE TIE ROD TO REDUCE THIS DEFLECTION. HOW TO HANDLE THIS PROBLEM...
View ArticleRAM SS Live Load not considered
Hello,I have a relatively simple 2-story composite beam floor that I would like to optimize in RAM Structural System. I have a single generic surface load applied to the entire floor, but it is not...
View ArticleRAM Shear Wall - "Max Vert Bar Spacing Limit per 21.9.6.5a"
When detailing the manual reinforcing I get an error that reads: "Max vert bar spacing limit per 21.9.6.5a at reinforcing zone: 1 is exceeded". The Spacing limit is a seismic provision, I have the...
View ArticleAssigning seismic load to specific frames
Good day,Is it possible to assign the seismic loads generated by STAAD to specific frames in my building, rather than have the program assign the loads to all frames in the direction under...
View ArticleWhat are the steps to link STAAD foundation to Revit?
This is what I've done so far. I cant find any tutorials on how to import the STAAD model into Revit.To transfer STAAD models into Revit (and vice versa) with ISM you will need to install two programs....
View ArticleAuto combining different components of same category with different load...
Dear Sir,I am using STAAD Pro v8i, and trying to use automatic load combination generator for analysis of a bridge substructure.I need to combine wind and seismic loads of different directions with...
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Moment diagram changing direction
In STAAD pro connect edition Moment diagram is changing direction for different beams even though it has the same orientation and the same loads are applied. can you please advise on how i can resolve...
View ArticleHow to user define wind load case 3 (asce 7-10 Figure 27.4-8) in RAM
I am using user define load case to define my wind load since one side of the building connecting to other building.How can i define case 3 and 4 where wind X and Y will act simultaneously on the...
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RAM - Special Reinforced Concrete Wall Design - Design Warnings
We are designing a small concrete building with special reinforced concrete shear walls in RAM Structural System. The walls are 8" thick with 1 curtain of reinforcement. The axial/flexure and shear...
View ArticleModelling Ground Beams in Mat/Raft Slab - STAAD foundations
Good Day,How can I include ground beams in my Mat slab design in STAAD Foundations. I have included a zip file with the STAAD Pro and foundation model file in...
View ArticleDoes STAAD(21.00.02.43) consider Cl. 13.3.3.3 (or Cl. 13.3.3.4 if with a...
Does STAAD(21.00.02.43) consider Cl. 13.3.3.3 (or Cl. 13.3.3.4 if with a transverse load) for single angle compression strength as per CSA S16-14?What is STAAD's preference to the 'rational analysis'...
View ArticleRAM Frame OCBF vs OCBF Chevron
Hi in RAM Frame there are two different types of frame type OCBF and OCBF Chevron. What is the difference between these? It would be great if you point to the section in the manual which speaks about...
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Smooth/Rough Shear diagrams RAM Concrete
On some beams we are getting a sawtooth pattern in the shear diagrams of concrete beams, but on others we are not. This is happening floor to floor within the same models. Is there any explanation?...
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CSA 17.9.4
Hi, How does RAM check composite action per CSA 17.9.4?I have a beam that that should meet the 40% composite action if Qr is checked against 0.4α1ϕcbtf'c, but the program says only 27% composite action...
View Articlereinforcement for a particular load combination
Hi,Is there a way to look at reinforcement for particular load combinations and not just the envelope?
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STAAD Foundation Mat control region issues
Good Day,I am currently using STAAD Foundation advance (V9.1.0.14) to model a mat foundation with a thickened portion, however, I am unable to create the mesh for the mat when I include the control...
View ArticleHow to define lx, ly and lz for steel beams?
Hi, I just started using Staad.Pro since 2 months. Am getting too low numbers for lx, ly and lz for steel beams in my design. How the effective lengths could be that low for a section? Please...
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what may be cause of the unexcepted deflection (at the high roof-low roof...
A car service station is modeled with high and low roof truss structure? I have tried with and without releases. There is excessive moment and axial force. Because of this unable to specify the member...
View ArticleRam Modeler - Renumber beams
Is it possible to renumber beams or columns in ram modeler. I'd like all of them to be renumbered so they are more sequential. Thanks!!
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